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Bridge Statistics for Marshalltown, Iowa (IA)
Condition, Traffic, Stress, Structural Evaluation, Project Costs


  • National Bridge Inventory (NBI) Statistics
  • 100Number of bridges
  • 1,562ft / 476mTotal length
  • 262,656Total average daily traffic
  • 21,081Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Marshalltown
  • No street view available for this location

New bridges in Marshalltown, IA - historical statistics
  • New bridges - historical statistics
  • 11900-1909
  • 21910-1919
  • 11930-1939
  • 51940-1949
  • 111950-1959
  • 61960-1969
  • 101970-1979
  • 161980-1989
  • 271990-1999
  • 122000-2009
  • 42010-2019
  • 52020-2022
Reconstructed bridges in Marshalltown, IA - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 11960-1969
  • 01970-1979
  • 11980-1989
  • 61990-1999
Average Bridge Daily Traffic in Marshalltown, IA
Average Bridge Truck Traffic in Marshalltown, IA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 7.2%Excellent
  • 17.4%Very good
  • 27.5%Good
  • 17.4%Satisfactory
  • 14.5%Fair
  • 15.9%Poor
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 7.2%Excellent
  • 34.8%Very good
  • 13.0%Good
  • 14.5%Satisfactory
  • 18.8%Fair
  • 10.1%Poor
  • 1.4%Serious
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 7.2%Excellent
  • 20.3%Very good
  • 29.0%Good
  • 17.4%Satisfactory
  • 14.5%Fair
  • 8.7%Poor
  • 2.9%Serious
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 1.6%Excellent
  • 25.0%Very good
  • 20.3%Good
  • 32.8%Satisfactory
  • 18.8%Fair
  • 1.6%Poor
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 28.6%Very good
  • 21.4%Good
  • 14.3%Satisfactory
  • 14.3%Fair
  • 14.3%Poor
  • 7.1%Serious
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Structure Number: 777,  Location: 083180201 (Lat: 42.028378,  Lng: -92.901814),  Route carried "on" structure: City street ,  Year Built: 1967,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 2,520 (year 2021),  Average Future Daily Traffic: 2,520 (year 2041),  Design Load: HS 20,  Features Intersected: ANSON CREEK,  Facility Carried by Structure: E OLIVE ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.887,  Lanes on structure: 4,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft),  Curb or Sidewalk Widths: Left: 1.8m (5.9ft),  Right: 1.8m (5.9ft)

Condition: Channel: Satisfactory,  Culverts: Fair,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Somewhat better than minimum adequacy,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.60m (8.53ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000
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Structure Number: 778,  Location: 084183501 (Lat: 42.034744,  Lng: -92.904411),  Route carried "on" structure: City street ,  Year Built: 1973,  Status: Open,  Structure Length: 1.01m (3.31ft),  Average Daily Traffic: 1,570 (year 1989),  Average Future Daily Traffic: 1,570 (year 2039),  Design Load: HS 20,  Features Intersected: ANSON CREEK,  Facility Carried by Structure: E SOUTH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.686,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.4m (11.2ft),  Curb or Sidewalk Widths: Left: 1.8m (5.9ft),  Right: 1.8m (5.9ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 3.30m (10.83ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: July 2019,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000
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Structure Number: 78,  Location: 084183600 (Lat: 42.039414,  Lng: -92.902381),  Route carried "on" structure: City street ,  Year Built: 1975,  Status: Open,  Structure Length: 2.38m (7.81ft),  Average Daily Traffic: 1,310 (year 1989),  Average Future Daily Traffic: 1,310 (year 2039),  Design Load: HS 20,  Features Intersected: ANSON CREEK,  Facility Carried by Structure: MAY ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.620,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 8.8m (28.9ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 57.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 34.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 7.50m (24.61ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: July 2019,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 7841,  Location: 084183600 (Lat: 42.044350,  Lng: -92.895969),  Route carried "on" structure: City street ,  Year Built: 1987,  Status: Open,  Structure Length: 6.19m (20.31ft),  Average Daily Traffic: 5,400 (year 2017),  Average Future Daily Traffic: 5,400 (year 2039),  Design Load: HS 20,  Features Intersected: LINN CREEK,  Facility Carried by Structure: E NEVADA ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.067,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 13.4m (44.0ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 15.8m (51.8ft),  Out-to-Out Width: 20.4m (66.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 81.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 49.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 20.30m (66.60ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: July 2019,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 786,  Location: 084182701 (Lat: 42.050303,  Lng: -92.937947),  Route carried "on" structure: City street ,  Year Built: 1900,  Status: Open,  Structure Length: 0.88m (2.89ft),  Average Daily Traffic: 500 (year 1975),  Average Future Daily Traffic: 500 (year 2041),  Features Intersected: DRAINAGE,  Facility Carried by Structure: W STATE ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.875,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 4 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.3m (14.1ft),  Curb or Sidewalk Widths: Left: 2.1m (6.9ft),  Right: 0.0m

Condition: Channel: Satisfactory,  Culverts: Serious,  Operating Rating: 23.2 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 17.0 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: High priority of corrective action,  Waterway Adequacy: Meets minimum limits,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 5.00m (16.40ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Bridge Improvement Cost: $180,000,  Roadway Improvement Cost: $18,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 787,  Location: 084182702 (Lat: 42.049764,  Lng: -92.940825),  Route carried "on" structure: City street ,  Year Built: 1951,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 863 (year 1975),  Average Future Daily Traffic: 863 (year 2041),  Features Intersected: DRAINAGE,  Facility Carried by Structure: N 16TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.074,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft)

Condition: Channel: Satisfactory,  Culverts: Poor,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 24.5 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Meets minimum limits,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.50m (8.20ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Bridge Improvement Cost: $114,000,  Roadway Improvement Cost: $11,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 788,  Location: 084183402 (Lat: 42.034897,  Lng: -92.931922),  Route carried "on" structure: City street ,  Year Built: 1967,  Status: Open,  Structure Length: 3.87m (12.70ft),  Average Daily Traffic: 1,370 (year 2017),  Average Future Daily Traffic: 1,370 (year 2041),  Design Load: H 20,  Features Intersected: LINN CREEK,  Facility Carried by Structure: S 12TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.322,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 10.1m (33.1ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.9m (48.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Good,  Operating Rating: 52.2 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 30.4 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Length Of Structure Improvement: 12.70m (41.67ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Bridge Improvement Cost: $218,000,  Roadway Improvement Cost: $30,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 7901,  Location: IN MARSHALLTOWN (Lat: 42.040483,  Lng: -92.907919),  Route carried "on" structure: State highway 14,  Year Built: 1985,  Status: Open,  Structure Length: 7.41m (24.31ft),  Average Daily Traffic: 10,500 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 10,500 (year 2041),  Design Load: HS 20,  Features Intersected: LINN CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 163.641,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.6m (47.9ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 25.0m (82.0ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.8m (5.9ft),  Curb-To-Curb Width: 16.4m (53.8ft),  Out-to-Out Width: 19.5m (64.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 80.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 48.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 7911,  Location: IN MARSHALLTOWN (Lat: 42.041653,  Lng: -92.907947),  Route carried "on" structure: State highway 14,  Year Built: 1985,  Status: Open,  Structure Length: 26.27m (86.19ft),  Average Daily Traffic: 10,500 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 10,500 (year 2041),  Design Load: HS 20,  Features Intersected: UP RR, MADISON&MARKET ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 163.770,  Lanes on structure: 4,  Lanes under structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 16.5m (54.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 10,  Length of Maximum Span: 29.3m (96.1ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.8m (5.9ft),  Curb-To-Curb Width: 16.5m (54.1ft),  Out-to-Out Width: 19.5m (64.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 83.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 50.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 35321,  Location: 3.0 MILES E OF JCT IA 14 (Lat: 42.006894,  Lng: -92.854581),  Route carried "on" structure: US 30,  Year Built: 1996,  Status: Open,  Structure Length: 5.85m (19.19ft),  Average Daily Traffic: 5,850 (year 2020),  Truck Traffic: 12%,  Average Future Daily Traffic: 5,850 (year 2041),  Design Load: HS 20,  Features Intersected: TIMBER CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 301.832,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.6m (47.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 23.5m (77.1ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 68.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 40.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 35331,  Location: 1.0 MILE W OF JCT SR T31 (Lat: 42.006739,  Lng: -92.843586),  Route carried "on" structure: US 30,  Year Built: 1986,  Status: Open,  Structure Length: 5.49m (18.01ft),  Average Daily Traffic: 5,800 (year 2020),  Truck Traffic: 12%,  Average Future Daily Traffic: 5,800 (year 2042),  Design Load: HS 20,  Features Intersected: UP RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 302.743,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.6m (47.9ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 21.0m (68.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Operating Rating: 63.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 38.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2022,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 35381,  Location: 1.1 MILES N OF JCT SR E63 (Lat: 41.966758,  Lng: -92.917122),  Route carried "on" structure: State highway 14,  Year Built: 1985,  Status: Open,  Structure Length: 3.75m (12.30ft),  Average Daily Traffic: 3,960 (year 2020),  Truck Traffic: 7%,  Average Future Daily Traffic: 3,960 (year 2041),  Design Load: HS 20,  Features Intersected: MIDDLE TIMBER CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 154.938,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.3m (46.9ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 58.5 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 32.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 35391,  Location: 1.2 MILES S OF JCT US 30 (Lat: 41.983164,  Lng: -92.914533),  Route carried "on" structure: State highway 14,  Year Built: 1992,  Status: Open,  Structure Length: 4.21m (13.81ft),  Average Daily Traffic: 3,960 (year 2020),  Truck Traffic: 7%,  Average Future Daily Traffic: 3,960 (year 2040),  Design Load: HS 20,  Features Intersected: TIMBER CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 156.818,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 16.2m (53.1ft),  Curb-To-Curb Width: 13.5m (44.3ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 89.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 57.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 354,  Location: 084183504 (Lat: 42.039500,  Lng: -92.912783),  Route carried "on" structure: City street ,  Year Built: 1951,  Status: Open,  Structure Length: 3.20m (10.50ft),  Average Daily Traffic: 11,100 (year 2013),  Average Future Daily Traffic: 11,100 (year 2041),  Design Load: H 20,  Features Intersected: LINN CREEK,  Facility Carried by Structure: SO CENTER ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.912,  Lanes on structure: 3,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 11.3m (37.1ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 15.9m (52.2ft),  Curb or Sidewalk Widths: Left: 1.2m (3.9ft),  Right: 1.2m (3.9ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 14.7m (48.2ft)

Condition: Deck: Poor,  Superstructure: Fair,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 43.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 26.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Length Of Structure Improvement: 10.40m (34.12ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 3541,  Location: 084183504 (Lat: 42.040642,  Lng: -92.912825),  Route carried "on" structure: City street ,  Year Built: 1951,  Status: Open,  Structure Length: 48.89m (160.40ft),  Average Daily Traffic: 9,500 (year 2021),  Average Future Daily Traffic: 9,500 (year 2041),  Design Load: H 20,  Features Intersected: RR AND MADISON ST,  Facility Carried by Structure: SO CENTER ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.039,  Lanes on structure: 3,  Lanes under structure: 4,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 11.3m (37.1ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 20,  Length of Maximum Span: 34.4m (112.9ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 14.7m (48.2ft)

Condition: Deck: Fair,  Superstructure: Serious,  Substructure: Fair,  Operating Rating: 40.2 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 24.9 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of corrective action,  Deck Geometry: High priority of replacement,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Length Of Structure Improvement: 160.40m (526.25ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Bridge Improvement Cost: $5,486,000,  Roadway Improvement Cost: $549,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 3542,  Location: 0.8 MILE S OF JCT SR E27 (Lat: 42.065589,  Lng: -92.908067),  Route carried "on" structure: State highway 14,  Year Built: 1968,  Status: Open,  Structure Length: 14.66m (48.10ft),  Average Daily Traffic: 2,500 (year 2020),  Truck Traffic: 8%,  Average Future Daily Traffic: 2,500 (year 2042),  Design Load: HS 20,  Features Intersected: IOWA RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 166.430,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 44.8m (147.0ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.8m (35.4ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 68.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 41.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2022,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 35431,  Location: 0.8 MILE SOUTH OF SR E27 (Lat: 42.066897,  Lng: -92.908292),  Route carried "on" structure: State highway 14,  Year Built: 1987,  Status: Open,  Structure Length: 14.57m (47.80ft),  Average Daily Traffic: 2,600 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 2,600 (year 2041),  Design Load: HS 20,  Features Intersected: IOWA RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 135.714,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 44.8m (147.0ft),  Curb-To-Curb Width: 9.7m (31.8ft),  Out-to-Out Width: 10.7m (35.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very good,  Channel: Satisfactory,  Operating Rating: 84.5 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 50.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 3544,  Location: 0.2 MILES SOUTH OF SR E27 (Lat: 42.075844,  Lng: -92.908067),  Route carried "on" structure: State highway 14,  Year Built: 1952,  Year Reconstructed: 1968,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 5,000 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 5,000 (year 2041),  Design Load: H 20,  Features Intersected: DRAINAGE DITCH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 167.570,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 24.4m (80.1ft),  Skew: 20 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 41.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 24.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021
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Structure Number: 35451,  Location: 0.3 mi. S of IA 330 (Lat: 42.118897,  Lng: -92.903731),  Route carried "on" structure: State highway 14,  Year Built: 1987,  Year Reconstructed: 1994,  Status: Open,  Structure Length: 0.88m (2.89ft),  Average Daily Traffic: 3,840 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 3,840 (year 2041),  Design Load: HS 20,  Features Intersected: TRIB. BURNETT CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 172.386,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.6m (47.9ft),  Skew: 4 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.3m (14.1ft)

Condition: Channel: Satisfactory,  Culverts: Good,  Operating Rating: 37.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 22.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021
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Structure Number: 35651,  Location: AT JUNCTION US 30 (Lat: 42.008475,  Lng: -93.020183),  Route carried "on" structure: State highway 330,  Year Built: 2006,  Status: Open,  Structure Length: 8.38m (27.49ft),  Average Daily Traffic: 3,450 (year 2020),  Truck Traffic: 12%,  Average Future Daily Traffic: 3,450 (year 2040),  Design Load: HS 20,  Features Intersected: US 30
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 21.041,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 39.9m (130.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 86.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 42.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 3566,  Location: 083180603 (Lat: 42.028728,  Lng: -92.985344),  Route carried "on" structure: County highway ,  Year Built: 1971,  Status: Open,  Structure Length: 21.64m (71.00ft),  Average Daily Traffic: 3,650 (year 2021),  Truck Traffic: 6%,  Average Future Daily Traffic: 3,650 (year 2040),  Design Load: HS 20,  Features Intersected: UP RR & LYNN CK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.286,  Lanes on structure: 2,  Lanes under structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 16.2m (53.1ft),  Material/Design: Steel continuous,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 48.2m (158.1ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Poor,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 62.5 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 35.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 71.00m (232.94ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Critical Feature Inspection Date: August 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 24234,  Location: 083170804 (Lat: 42.013883,  Lng: -92.861931),  Route carried "on" structure: County highway ,  Year Built: 1945,  Status: Posted for load,  Structure Length: 1.31m (4.30ft),  Average Daily Traffic: 60 (year 2021),  Average Future Daily Traffic: 60 (year 2041),  Features Intersected: TIMBER CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 16.497,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.5m (41.0ft),  Curb-To-Curb Width: 6.2m (20.3ft),  Out-to-Out Width: 6.6m (21.7ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Serious,  Channel: Satisfactory,  Operating Rating: 18.5 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 14.5 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of corrective action,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Meets minimum limits,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 7.00m (22.97ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: November 2021,  Bridge Improvement Cost: $189,000,  Roadway Improvement Cost: $19,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 242351,  Location: 083170808 (Lat: 42.008400,  Lng: -92.851925),  Route carried "on" structure: County highway ,  Year Built: 1989,  Status: Open,  Structure Length: 6.25m (20.51ft),  Average Daily Traffic: 160 (year 2021),  Truck Traffic: 4%,  Average Future Daily Traffic: 160 (year 2038),  Design Load: HS 20,  Features Intersected: N TIMBER CR,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.172,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 13.7m (44.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.4m (30.8ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 71.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 42.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 20.50m (67.26ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: November 2018,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 242361,  Location: 083170808 (Lat: 42.012072,  Lng: -92.854803),  Route carried "on" structure: County highway ,  Year Built: 1984,  Status: Open,  Structure Length: 1.04m (3.41ft),  Average Daily Traffic: 160 (year 2021),  Truck Traffic: 4%,  Average Future Daily Traffic: 160 (year 2040),  Design Load: H 20,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.650,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.1m (29.9ft),  Curb-To-Curb Width: 9.2m (30.2ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 59.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 32.3 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 3.40m (11.15ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 242371,  Location: 083170405 (Lat: 42.021733,  Lng: -92.833989),  Route carried "on" structure: County highway ,  Year Built: 2003,  Status: Open,  Structure Length: 5.91m (19.39ft),  Average Daily Traffic: 60 (year 2021),  Average Future Daily Traffic: 60 (year 2038),  Design Load: HS 20,  Features Intersected: CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.445,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 16.5m (54.1ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.1m (26.6ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 85.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 51.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 19.10m (62.66ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: November 2018,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 24238,  Location: 083171003 (Lat: 42.018622,  Lng: -92.814925),  Route carried "on" structure: County highway ,  Year Built: 1953,  Status: Posted for load,  Structure Length: 1.31m (4.30ft),  Average Daily Traffic: 100 (year 2013),  Average Future Daily Traffic: 100 (year 2040),  Features Intersected: CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.062,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.2m (40.0ft),  Curb-To-Curb Width: 6.2m (20.3ft),  Out-to-Out Width: 6.6m (21.7ft)

Condition: Deck: Poor,  Superstructure: Satisfactory,  Substructure: Poor,  Channel: Fair,  Operating Rating: 30.5 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 17.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Length Of Structure Improvement: 7.00m (22.97ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Bridge Improvement Cost: $189,000,  Roadway Improvement Cost: $18,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 242441,  Location: 083171704 (Lat: 41.993014,  Lng: -92.862575),  Route carried "on" structure: County highway ,  Year Built: 1991,  Status: Open,  Structure Length: 5.79m (19.00ft),  Average Daily Traffic: 190 (year 2021),  Average Future Daily Traffic: 190 (year 2038),  Design Load: HS 20,  Features Intersected: TIMBER CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 14.173,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.2m (26.9ft),  Skew: 5 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 15.9m (52.2ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 80.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 48.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 18.50m (60.70ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: November 2018,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 24245,  Location: 083172004 (Lat: 41.982431,  Lng: -92.852028),  Route carried "on" structure: County highway ,  Year Built: 1938,  Year Reconstructed: 1998,  Status: Open,  Structure Length: 0.85m (2.79ft),  Average Daily Traffic: 10 (year 2013),  Average Future Daily Traffic: 10 (year 2040),  Design Load: HS 20,  Features Intersected: BRANCH S TIMBER CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.122,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.9m (25.9ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.6m (21.7ft)

Condition: Deck: Poor,  Superstructure: Fair,  Substructure: Fair,  Channel: Fair,  Operating Rating: 59.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 42.4 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Length Of Structure Improvement: 2.80m (9.19ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Aluminum,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 24253,  Location: 1.8 MILES N OF JCT. US 30 (Lat: 42.027994,  Lng: -92.999989),  Route carried "on" structure: State highway 330,  Year Built: 1964,  Status: Open,  Structure Length: 4.69m (15.39ft),  Average Daily Traffic: 2,240 (year 2020),  Truck Traffic: 15%,  Average Future Daily Traffic: 2,240 (year 2040),  Design Load: H 20,  Features Intersected: LINN CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 58.831,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 4 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.0m (59.1ft),  Curb-To-Curb Width: 8.6m (28.2ft),  Out-to-Out Width: 9.2m (30.2ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Channel: Fair,  Operating Rating: 51.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 24256,  Location: 083180902 (Lat: 42.020236,  Lng: -92.960644),  Route carried "on" structure: County highway ,  Year Built: 1956,  Year Reconstructed: 2001,  Status: Open,  Structure Length: 3.35m (10.99ft),  Average Daily Traffic: 350 (year 2009),  Truck Traffic: 21%,  Average Future Daily Traffic: 350 (year 2040),  Features Intersected: LINN CR,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.090,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 12.8m (42.0ft),  Curb-To-Curb Width: 5.6m (18.4ft),  Out-to-Out Width: 5.8m (19.0ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Fair,  Channel: Good,  Operating Rating: 23.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 17.2 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Length Of Structure Improvement: 21.30m (69.88ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Bridge Improvement Cost: $1,020,000,  Roadway Improvement Cost: $102,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 242571,  Location: 083180903 (Lat: 42.017836,  Lng: -92.959597),  Route carried "on" structure: County highway ,  Year Built: 2006,  Status: Open,  Structure Length: 2.83m (9.28ft),  Average Daily Traffic: 330 (year 2013),  Average Future Daily Traffic: 330 (year 2038),  Design Load: HS 20,  Features Intersected: DRAINAGE,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.225,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 10.7m (35.1ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 0.0m,  Curb-To-Curb Width: 10.0m (32.8ft),  Out-to-Out Width: 13.0m (42.7ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 86.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 51.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 9.30m (30.51ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: November 2018,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 242581,  Location: 083180912 (Lat: 42.016181,  Lng: -92.960114),  Route carried "on" structure: County highway ,  Year Built: 2007,  Status: Open,  Structure Length: 3.14m (10.30ft),  Average Daily Traffic: 1,660 (year 2021),  Average Future Daily Traffic: 1,660 (year 2038),  Design Load: HS 20,  Features Intersected: LINN CREEK,  Facility Carried by Structure: HIGHLAND ACRES RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.987,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 15.2m (49.9ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 11.9m (39.0ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 0.0m,  Curb-To-Curb Width: 12.6m (41.3ft),  Out-to-Out Width: 15.7m (51.5ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 80.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 48.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 10.30m (33.79ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: November 2018,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 24259,  Location: 083181904 (Lat: 41.989067,  Lng: -92.999814),  Route carried "on" structure: County highway ,  Year Built: 1973,  Status: Open,  Structure Length: 2.77m (9.09ft),  Average Daily Traffic: 110 (year 2021),  Average Future Daily Traffic: 110 (year 2040),  Design Load: H 20,  Features Intersected: N TIMBER CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 14.058,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.8m (28.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 9.1m (29.9ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Fair,  Operating Rating: 60.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 35.5 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Length Of Structure Improvement: 9.10m (29.86ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 24261,  Location: 083182102 (Lat: 41.985158,  Lng: -92.960297),  Route carried "on" structure: County highway ,  Year Built: 1947,  Year Reconstructed: 2003,  Status: Posted for load,  Structure Length: 2.13m (6.99ft),  Average Daily Traffic: 80 (year 2021),  Average Future Daily Traffic: 80 (year 2040),  Features Intersected: TIMBER CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 13.164,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 10.4m (34.1ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.5m (21.3ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Serious,  Channel: Fair,  Operating Rating: 32.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 19.1 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of corrective action,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Length Of Structure Improvement: 10.00m (32.81ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Bridge Improvement Cost: $270,000,  Roadway Improvement Cost: $27,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 242621,  Location: 083182202 (Lat: 41.983775,  Lng: -92.941214),  Route carried "on" structure: County highway ,  Year Built: 2014,  Status: Open,  Structure Length: 3.75m (12.30ft),  Average Daily Traffic: 100 (year 2013),  Average Future Daily Traffic: 100 (year 2040),  Design Load: HL 93,  Features Intersected: NORTH TIMBER CREEK,  Facility Carried by Structure: PARKER AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 11.101,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.3m (46.9ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 42.1 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: November 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 242631,  Location: 083182203 (Lat: 41.984814,  Lng: -92.931272),  Route carried "on" structure: County highway ,  Year Built: 1979,  Status: Posted for load,  Structure Length: 3.11m (10.20ft),  Average Daily Traffic: 110 (year 2013),  Average Future Daily Traffic: 110 (year 2040),  Design Load: H 20,  Features Intersected: NORTH TIMBER CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.433,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 11.9m (39.0ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Fair,  Operating Rating: 35.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 21.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Meets minimum limits,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 0.1 - 9.9% below),  Length Of Structure Improvement: 10.20m (33.46ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 242651,  Location: 083182402 (Lat: 41.982667,  Lng: -92.902872),  Route carried "on" structure: County highway ,  Year Built: 2021,  Status: Open,  Structure Length: 3.38m (11.09ft),  Average Daily Traffic: 170 (year 2013),  Average Future Daily Traffic: 170 (year 2041),  Design Load: HL 93,  Features Intersected: NORTH TIMBER CREEK,  Facility Carried by Structure: 260TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.159,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 13.1m (43.0ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Excellent,  Channel: Very good,  Operating Rating: 42.1 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 24266,  Location: 083182405 (Lat: 41.984183,  Lng: -92.884375),  Route carried "on" structure: County highway ,  Year Built: 1942,  Status: Posted for load,  Structure Length: 3.69m (12.11ft),  Average Daily Traffic: 90 (year 2013),  Average Future Daily Traffic: 90 (year 2040),  Features Intersected: TIMBER CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 10.131,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 11.3m (37.1ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.4m (21.0ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Fair,  Operating Rating: 18.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 11.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Meets minimum limits,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 15.00m (49.21ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Bridge Improvement Cost: $404,000,  Roadway Improvement Cost: $40,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 242671,  Location: 083182410 (Lat: 41.979431,  Lng: -92.893053),  Route carried "on" structure: County highway ,  Year Built: 1977,  Status: Open,  Structure Length: 3.20m (10.50ft),  Average Daily Traffic: 220 (year 2013),  Truck Traffic: 3%,  Average Future Daily Traffic: 220 (year 2040),  Design Load: H 20,  Features Intersected: TIMBER CREEK,  Facility Carried by Structure: LOCAL RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.765,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 11.9m (39.0ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Satisfactory,  Channel: Fair,  Operating Rating: 49.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 29.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 10.50m (34.45ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 24268,  Location: 083182604 (Lat: 41.969828,  Lng: -92.907625),  Route carried "on" structure: County highway ,  Year Built: 1916,  Status: Posted for load,  Structure Length: 1.07m (3.51ft),  Average Daily Traffic: 50 (year 2013),  Average Future Daily Traffic: 50 (year 2040),  Features Intersected: MIDDLE TIMBER CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.305,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 10.1m (33.1ft),  Curb-To-Curb Width: 5.7m (18.7ft),  Out-to-Out Width: 6.2m (20.3ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 11.5 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 3.3 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of replacement,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 7.50m (24.61ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Bridge Improvement Cost: $202,000,  Roadway Improvement Cost: $20,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Gravel
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