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


  • National Bridge Inventory (NBI) Statistics
  • 18Number of bridges
  • 184ft / 56.4mTotal length
  • 9,365Total average daily traffic
  • 2,433Total average daily truck traffic
  • 9,365Total future (year 2039) average daily traffic
  • National Bridge Inventory (NBI) Registered Bridges for Knierim
  • No street view available for this location

New bridges in Knierim, IA - historical statistics
  • New bridges - historical statistics
  • 31900-1909
  • 11960-1969
  • 81970-1979
  • 21980-1989
  • 21990-1999
  • 22010-2019
Average Bridge Daily Traffic in Knierim, IA
Average Bridge Truck Traffic in Knierim, IA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 5.6%Very good
  • 22.2%Good
  • 66.7%Satisfactory
  • 5.6%Poor
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 5.6%Very good
  • 22.2%Good
  • 55.6%Satisfactory
  • 11.1%Fair
  • 5.6%Poor
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 11.1%Very good
  • 16.7%Good
  • 38.9%Satisfactory
  • 11.1%Fair
  • 16.7%Poor
  • 5.6%Serious
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 53.3%Good
  • 46.7%Satisfactory
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Structure Number: 6865,  Location: 088311001 (Lat: 42.456364,  Lng: -94.446544),  Route carried "on" structure: City street ,  Year Built: 1968,  Status: Open,  Structure Length: 3.11m (10.20ft),  Average Daily Traffic: 230 (year 2019),  Average Future Daily Traffic: 230 (year 2041),  Design Load: H 20,  Features Intersected: EAST CEDAR CREEK,  Facility Carried by Structure: CO RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.566,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  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-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 50.2 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 30.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  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: June 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 16981,  Location: 0.8 mi. E of SR P19 (Lat: 42.517450,  Lng: -94.447722),  Route carried "on" structure: State highway 7,  Year Built: 1974,  Status: Open,  Structure Length: 9.51m (31.20ft),  Average Daily Traffic: 2,310 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 2,310 (year 2041),  Design Load: HS 20,  Features Intersected: CC RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 100.055,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 4 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 36.3m (119.1ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Satisfactory,  Operating Rating: 45.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 27.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Better than present minimum criteria,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 91661,  Location: 088310101 (Lat: 42.473325,  Lng: -94.411228),  Route carried "on" structure: County highway ,  Year Built: 1974,  Status: Open,  Structure Length: 2.38m (7.81ft),  Average Daily Traffic: 15 (year 2019),  Truck Traffic: 13%,  Average Future Daily Traffic: 15 (year 2039),  Design Load: H 20,  Features Intersected: DRAINAGE DITCH,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 39.105,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 9.1m (29.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 52.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 33.0 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: July 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 91671,  Location: 088310301 (Lat: 42.473386,  Lng: -94.443367),  Route carried "on" structure: County highway ,  Year Built: 1972,  Status: Open,  Structure Length: 2.41m (7.91ft),  Average Daily Traffic: 50 (year 2019),  Average Future Daily Traffic: 50 (year 2039),  Design Load: H 20,  Features Intersected: D.D. NO 12,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 36.463,  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: 8.8m (28.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 52.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 33.0 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum 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 48 months,  Inspection Date: July 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 91691,  Location: 088310701 (Lat: 42.456581,  Lng: -94.500019),  Route carried "on" structure: County highway ,  Year Built: 1900,  Status: Posted for load-capacity,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 15 (year 2019),  Average Future Daily Traffic: 15 (year 2041),  Features Intersected: D.D. NO 83,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 22.257,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.8m (28.9ft),  Curb-To-Curb Width: 7.8m (25.6ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 32.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 21.2 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: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Length Of Structure Improvement: 6.00m (19.69ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $60,000,  Roadway Improvement Cost: $1,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Other
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Structure Number: 91711,  Location: 088311301 (Lat: 42.441731,  Lng: -94.410417),  Route carried "on" structure: County highway ,  Year Built: 1984,  Status: Open,  Structure Length: 2.41m (7.91ft),  Average Daily Traffic: 10 (year 2019),  Average Future Daily Traffic: 10 (year 2039),  Design Load: H 20,  Features Intersected: COUNTY DRAIN #31,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 25.498,  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: 8.8m (28.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 52.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 33.0 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: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: July 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 91721,  Location: 088311302 (Lat: 42.431061,  Lng: -94.416942),  Route carried "on" structure: County highway ,  Year Built: 1974,  Status: Open,  Structure Length: 2.41m (7.91ft),  Average Daily Traffic: 35 (year 2019),  Average Future Daily Traffic: 35 (year 2039),  Design Load: H 20,  Features Intersected: D.D. NO 31,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 24.662,  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: 8.8m (28.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 52.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 33.0 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum 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 48 months,  Inspection Date: July 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 91731,  Location: 088311501 (Lat: 42.441875,  Lng: -94.455756),  Route carried "on" structure: County highway ,  Year Built: 1980,  Status: Posted for load,  Structure Length: 1.43m (4.69ft),  Average Daily Traffic: 15 (year 2019),  Average Future Daily Traffic: 15 (year 2041),  Features Intersected: E CEDAR CR.,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 21.770,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 9.4m (30.8ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.5m (24.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Poor,  Channel: Good,  Operating Rating: 22.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 13.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Other
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Structure Number: 9174,  Location: 088311801 (Lat: 42.441956,  Lng: -94.497506),  Route carried "on" structure: County highway ,  Year Built: 1900,  Status: Posted for load,  Structure Length: 0.91m (2.99ft),  Average Daily Traffic: 30 (year 2019),  Average Future Daily Traffic: 30 (year 2041),  Features Intersected: DD NO 83,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 18.335,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.8m (28.9ft),  Curb-To-Curb Width: 7.8m (25.6ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Poor,  Channel: Good,  Operating Rating: 23.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 14.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 0.1 - 9.9% below),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Other
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Structure Number: 91751,  Location: 088311901 (Lat: 42.427439,  Lng: -94.495203),  Route carried "on" structure: County highway ,  Year Built: 1972,  Status: Open,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 15 (year 2019),  Average Future Daily Traffic: 15 (year 2041),  Design Load: H 20,  Features Intersected: DD NO. 83,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 29.762,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.8m (28.9ft),  Curb-To-Curb Width: 9.4m (30.8ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Good,  Operating Rating: 46.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 28.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  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: June 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Other
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Structure Number: 91761,  Location: 088312201 (Lat: 42.427358,  Lng: -94.455450),  Route carried "on" structure: County highway ,  Year Built: 1971,  Status: Open,  Structure Length: 2.80m (9.19ft),  Average Daily Traffic: 20 (year 2019),  Average Future Daily Traffic: 20 (year 2041),  Design Load: H 20,  Features Intersected: DD NO. 12,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 33.032,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 10.4m (34.1ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 48.5 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: Equal to present minimum 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: June 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 91771,  Location: 088312202 (Lat: 42.420358,  Lng: -94.455781),  Route carried "on" structure: County highway ,  Year Built: 1990,  Status: Open,  Structure Length: 2.38m (7.81ft),  Average Daily Traffic: 180 (year 2019),  Truck Traffic: 24%,  Average Future Daily Traffic: 180 (year 2039),  Design Load: HS 20,  Features Intersected: DD NO. 12,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 23.434,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 8.8m (28.9ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 76.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 45.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: July 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 91781,  Location: 088312202 (Lat: 42.426867,  Lng: -94.455806),  Route carried "on" structure: County highway ,  Year Built: 1990,  Status: Open,  Structure Length: 2.80m (9.19ft),  Average Daily Traffic: 180 (year 2019),  Truck Traffic: 24%,  Average Future Daily Traffic: 180 (year 2039),  Design Load: HS 20,  Features Intersected: DD NO. 12,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 24.156,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Skew: 4 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 10.4m (34.1ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 75.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 45.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: July 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 91791,  Location: 088312301 (Lat: 42.427267,  Lng: -94.425353),  Route carried "on" structure: County highway ,  Year Built: 1974,  Status: Open,  Structure Length: 2.41m (7.91ft),  Average Daily Traffic: 20 (year 2019),  Average Future Daily Traffic: 20 (year 2039),  Design Load: H 20,  Features Intersected: WELSH SLOUGH,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 35.507,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 8.8m (28.9ft),  Curb-To-Curb Width: 9.2m (30.2ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 52.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 33.0 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum 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 48 months,  Inspection Date: July 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 9186,  Location: 088313001 (Lat: 42.413036,  Lng: -94.507006),  Route carried "on" structure: County highway ,  Year Built: 1900,  Year Reconstructed: 1981,  Status: Posted for load,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 5 (year 2019),  Average Future Daily Traffic: 5 (year 2041),  Features Intersected: W CEDAR CR.,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 21.676,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.5m (27.9ft),  Curb-To-Curb Width: 7.7m (25.3ft),  Out-to-Out Width: 7.7m (25.3ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Serious,  Channel: Good,  Operating Rating: 18.8 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: High priority of corrective action,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Designated Inspection Frequency: Every 12 months,  Inspection Date: June 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Other
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Structure Number: 92501,  Location: 089313601 (Lat: 42.487811,  Lng: -94.452847),  Route carried "on" structure: County highway ,  Year Built: 1973,  Status: Open,  Structure Length: 1.31m (4.30ft),  Average Daily Traffic: 35 (year 2019),  Average Future Daily Traffic: 35 (year 2041),  Design Load: H 20,  Features Intersected: DD 12,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 34.493,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.2m (40.0ft),  Curb-To-Curb Width: 9.2m (30.2ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Good,  Operating Rating: 66.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 17.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  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: July 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 60956,  Location: 4.0 mi. E of Jct. SR N65 (Lat: 42.447678,  Lng: -94.474997),  Route carried "on" structure: US 20,  Year Built: 2011,  Status: Open,  Structure Length: 8.66m (28.41ft),  Average Daily Traffic: 3,100 (year 2020),  Truck Traffic: 33%,  Average Future Daily Traffic: 3,100 (year 2041),  Design Load: HL 93,  Features Intersected: CC RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 322.538,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 35.7m (117.1ft),  Curb-To-Curb Width: 12.0m (39.4ft),  Out-to-Out Width: 13.0m (42.7ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 44.4 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported in metric tons,  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 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: 609565,  Location: 4.0 mi. E of Jct. SR N65 (Lat: 42.447672,  Lng: -94.476031),  Route carried "on" structure: US 20,  Year Built: 2010,  Status: Open,  Structure Length: 8.66m (28.41ft),  Average Daily Traffic: 3,100 (year 2020),  Truck Traffic: 33%,  Average Future Daily Traffic: 3,100 (year 2041),  Design Load: HL 93,  Features Intersected: CC RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 160.556,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.6m (47.9ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 35.7m (117.1ft),  Curb-To-Curb Width: 12.0m (39.4ft),  Out-to-Out Width: 13.0m (42.7ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Very good,  Operating Rating: 44.4 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported in metric tons,  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 desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 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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