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


  • National Bridge Inventory (NBI) Statistics
  • 23Number of bridges
  • 230ft / 70.1mTotal length
  • 12,305Total average daily traffic
  • 1,685Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Chariton
  • No street view available for this location

New bridges in Chariton, IA - historical statistics
  • New bridges - historical statistics
  • 11920-1929
  • 21930-1939
  • 51950-1959
  • 31960-1969
  • 21970-1979
  • 31980-1989
  • 21990-1999
  • 22000-2009
  • 32010-2019
Reconstructed bridges in Chariton, IA - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 11980-1989
  • 11990-1999
Average Bridge Truck Traffic in Chariton, IA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 33.3%Very good
  • 13.3%Good
  • 13.3%Satisfactory
  • 26.7%Fair
  • 6.7%Poor
  • 6.7%Failed
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 40.0%Very good
  • 6.7%Good
  • 13.3%Satisfactory
  • 20.0%Fair
  • 13.3%Poor
  • 6.7%Failed
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 33.3%Very good
  • 6.7%Good
  • 40.0%Satisfactory
  • 6.7%Poor
  • 6.7%Serious
  • 6.7%Failed
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 5.9%Very good
  • 47.1%Good
  • 29.4%Satisfactory
  • 11.8%Fair
  • 5.9%Poor
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 33.3%Very good
  • 16.7%Good
  • 16.7%Satisfactory
  • 33.3%Fair
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Structure Number: 1751,  Location: 000000000 (Lat: 41.018044,  Lng: -93.300419),  Route carried "on" structure: City street ,  Year Built: 2009,  Status: Open,  Structure Length: 4.66m (15.29ft),  Average Daily Traffic: 210 (year 2018),  Average Future Daily Traffic: 210 (year 2040),  Design Load: HS 20,  Features Intersected: UP RR,  Facility Carried by Structure: AUBURN AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.061,  Lanes on structure: 2,  Owner: City or Municipal 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: 18.0m (59.1ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 0.0m,  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 11.3m (37.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 89.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 53.8 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,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable 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,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 1771,  Location: 072213006 (Lat: 41.006911,  Lng: -93.320058),  Route carried "on" structure: City street ,  Year Built: 1998,  Status: Open,  Structure Length: 1.16m (3.81ft),  Average Daily Traffic: 360 (year 2018),  Average Future Daily Traffic: 360 (year 2040),  Design Load: HS 20,  Features Intersected: BR OF CHARITON RIVER,  Facility Carried by Structure: SO 16TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.208,  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: 3,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Good,  Culverts: Very good,  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 desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 3.80m (12.47ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: November 2020,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000
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Structure Number: 1781,  Location: 0722129 (Lat: 41.005147,  Lng: -93.301733),  Route carried "on" structure: City street ,  Year Built: 2015,  Status: Open,  Structure Length: 5.97m (19.59ft),  Average Daily Traffic: 70 (year 2018),  Average Future Daily Traffic: 70 (year 2040),  Design Load: HL 93,  Features Intersected: UP RR,  Facility Carried by Structure: RUSSELL BLVD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.248,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 35.4m (116.1ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 10.0m (32.8ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: 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,  Underclear: Superior to present desirable 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
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Structure Number: 562,  Location: 073361001 (Lat: 41.144647,  Lng: -94.978267),  Route carried "on" structure: City street ,  Year Built: 1924,  Status: Posted for load,  Structure Length: 4.39m (14.40ft),  Average Daily Traffic: 60 (year 2016),  Average Future Daily Traffic: 60 (year 2040),  Features Intersected: WEST NODAWAY RIVER,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.353,  Lanes on structure: 1,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 2,  Length of Maximum Span: 30.5m (100.1ft),  Curb-To-Curb Width: 4.6m (15.1ft),  Out-to-Out Width: 4.9m (16.1ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Poor,  Channel: Poor,  Operating Rating: 26.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 14.8 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 minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Length Of Structure Improvement: 17.60m (57.74ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Critical Feature Inspection Date: June 2020,  Bridge Improvement Cost: $380,000,  Roadway Improvement Cost: $38,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 3432,  Location: 1.8 mi. E of Jct. IA #14 (Lat: 41.002944,  Lng: -93.271953),  Route carried "on" structure: US 34,  Year Built: 1958,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 3,000 (year 2020),  Truck Traffic: 20%,  Average Future Daily Traffic: 3,000 (year 2040),  Design Load: H 20,  Features Intersected: CITY RESERVOIR INLET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 228.834,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 24.5 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 18.1 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020
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Structure Number: 34411,  Location: 0.9 MI. S OF JCT. US 34 (Lat: 40.991939,  Lng: -93.308050),  Route carried "on" structure: State highway 14,  Year Built: 1988,  Status: Open,  Structure Length: 7.13m (23.39ft),  Average Daily Traffic: 2,150 (year 2020),  Truck Traffic: 7%,  Average Future Daily Traffic: 2,150 (year 2041),  Design Load: HS 20,  Features Intersected: CHARITON RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 26.470,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  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-To-Curb Width: 12.1m (39.7ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 80.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 48.0 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  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,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 34471,  Location: 072222507 (Lat: 41.014564,  Lng: -93.328236),  Route carried "on" structure: County highway ,  Year Built: 2014,  Status: Open,  Structure Length: 1.13m (3.71ft),  Average Daily Traffic: 2,090 (year 2018),  Truck Traffic: 11%,  Average Future Daily Traffic: 2,090 (year 2040),  Design Load: HL 93,  Features Intersected: BR OF CHARITON RIVER,  Facility Carried by Structure: H34 (COURT AVE)
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.320,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Very good,  Culverts: Very good,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 34.0 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Equal to present desirable 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
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Structure Number: 225371,  Location: 071210803 (Lat: 40.970281,  Lng: -93.290928),  Route carried "on" structure: County highway ,  Year Built: 2007,  Status: Open,  Structure Length: 3.41m (11.19ft),  Average Daily Traffic: 70 (year 2014),  Average Future Daily Traffic: 70 (year 2040),  Design Load: HS 20,  Features Intersected: CHARITON RIVER,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 19.620,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 13.4m (44.0ft),  Curb-To-Curb Width: 7.5m (24.6ft),  Out-to-Out Width: 8.3m (27.2ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 83.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 49.8 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: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 11.00m (36.09ft),  Designated Inspection Frequency: Every 48 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: 22542,  Location: 071211602 (Lat: 40.951289,  Lng: -93.288267),  Route carried "on" structure: County highway ,  Year Built: 1955,  Year Reconstructed: 1996,  Status: Posted for load-capacity,  Structure Length: 1.46m (4.79ft),  Average Daily Traffic: 15 (year 2014),  Average Future Daily Traffic: 15 (year 2041),  Features Intersected: BR OF CHARITON RIVER,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.085,  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: 3,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 5.4m (17.7ft),  Out-to-Out Width: 5.7m (18.7ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 40.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 24.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 7.00m (22.97ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $168,000,  Roadway Improvement Cost: $17,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 2256,  Location: 071220203 (Lat: 40.985450,  Lng: -93.355119),  Route carried "on" structure: County highway ,  Year Built: 1934,  Status: Temporarily open,  Structure Length: 3.02m (9.91ft),  Average Daily Traffic: 15 (year 2014),  Average Future Daily Traffic: 15 (year 2041),  Features Intersected: CHARITON RIVER,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.118,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 2,  Length of Maximum Span: 18.3m (60.0ft),  Curb-To-Curb Width: 3.6m (11.8ft),  Out-to-Out Width: 3.7m (12.1ft)

Condition: Deck: Failed,  Superstructure: Failed,  Substructure: Failed,  Channel: Satisfactory,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 12.50m (41.01ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $275,000,  Roadway Improvement Cost: $28,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 225621,  Location: 071221103 (Lat: 40.970300,  Lng: -93.350961),  Route carried "on" structure: County highway ,  Year Built: 2018,  Status: Open,  Structure Length: 1.46m (4.79ft),  Average Daily Traffic: 15 (year 2014),  Average Future Daily Traffic: 15 (year 2040),  Features Intersected: BR OF CHARITON RIVER,  Facility Carried by Structure: 450TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 14.563,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Steel,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 14.3m (46.9ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 39.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 23.7 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,  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
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Structure Number: 22614,  Location: 072210403 (Lat: 41.063842,  Lng: -93.288003),  Route carried "on" structure: County highway ,  Year Built: 1969,  Status: Posted for load,  Structure Length: 2.93m (9.61ft),  Average Daily Traffic: 25 (year 2014),  Average Future Daily Traffic: 25 (year 2041),  Features Intersected: LITTLE WHITEBREAST CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.474,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 2,  Length of Maximum Span: 18.3m (60.0ft),  Curb-To-Curb Width: 5.6m (18.4ft),  Out-to-Out Width: 5.7m (18.7ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Serious,  Channel: Fair,  Operating Rating: 5.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Structural Evaluation: High priority of replacement,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  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: 15.00m (49.21ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $396,000,  Roadway Improvement Cost: $40,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 226241,  Location: 072211505 (Lat: 41.039933,  Lng: -93.269161),  Route carried "on" structure: County highway ,  Year Built: 1985,  Status: Open,  Structure Length: 2.83m (9.28ft),  Average Daily Traffic: 15 (year 2014),  Average Future Daily Traffic: 15 (year 2041),  Features Intersected: LITTLE WHITEBREAST CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.027,  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: 3,  Length of Maximum Span: 18.3m (60.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 32.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 19.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 9.30m (30.51ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 226251,  Location: 072211509 (Lat: 41.038533,  Lng: -93.268761),  Route carried "on" structure: County highway ,  Year Built: 1974,  Status: Open,  Structure Length: 3.54m (11.61ft),  Average Daily Traffic: 200 (year 2018),  Truck Traffic: 25%,  Average Future Daily Traffic: 200 (year 2040),  Design Load: H 20,  Features Intersected: LITTLE WHITEBREAST CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.035,  Lanes on structure: 2,  Owner: County 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: 13.4m (44.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 49.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 28.6 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: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 11.60m (38.06ft),  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: 226291,  Location: 072212005 (Lat: 41.025403,  Lng: -93.292961),  Route carried "on" structure: County highway ,  Year Built: 1982,  Status: Open,  Structure Length: 5.09m (16.70ft),  Average Daily Traffic: 200 (year 2018),  Truck Traffic: 25%,  Average Future Daily Traffic: 200 (year 2040),  Design Load: H 20,  Features Intersected: UP RR,  Facility Carried by Structure: H32 245TH TRL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.082,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.6m (61.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 62.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 33.5 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,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 16.70m (54.79ft),  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: 226295,  Location: 072212105 (Lat: 41.028953,  Lng: -93.279786),  Route carried "on" structure: County highway ,  Year Built: 1974,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 40 (year 2014),  Average Future Daily Traffic: 40 (year 2041),  Features Intersected: BR OF LITTLE WHITEBREAST,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.737,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Fair,  Culverts: Fair,  Operating Rating: 30.8 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 22.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 6.00m (19.69ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $132,000,  Roadway Improvement Cost: $13,000
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Structure Number: 22631,  Location: 072212205 (Lat: 41.016442,  Lng: -93.255800),  Route carried "on" structure: County highway ,  Year Built: 1958,  Status: Open,  Structure Length: 3.87m (12.70ft),  Average Daily Traffic: 210 (year 2018),  Truck Traffic: 21%,  Average Future Daily Traffic: 210 (year 2041),  Design Load: H 15,  Features Intersected: LITTLE WHITEBREAST CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.365,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 3 degrees,  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: 7.3m (24.0ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 37.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 22.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 15.50m (50.85ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $465,000,  Roadway Improvement Cost: $47,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 226331,  Location: 072213004 (Lat: 41.005053,  Lng: -93.322042),  Route carried "on" structure: County highway ,  Year Built: 1998,  Status: Open,  Structure Length: 5.15m (16.90ft),  Average Daily Traffic: 360 (year 2018),  Average Future Daily Traffic: 360 (year 2040),  Design Load: HS 20,  Features Intersected: CHARITON RIVER,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.178,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 14.3m (46.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 84.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 50.4 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: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 16.90m (55.45ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: November 2020,  Bridge Improvement Cost: $17,000,  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: 22636,  Location: 072220106 (Lat: 41.070547,  Lng: -93.337153),  Route carried "on" structure: County highway ,  Year Built: 1950,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 60 (year 2018),  Average Future Daily Traffic: 60 (year 2041),  Design Load: H 15,  Features Intersected: BR OF LITTLE WHITEBREAST,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 8.174,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  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: Fair,  Operating Rating: 23.2 metric tons,  Method Used To Determine Operating Rating: No rating analysis performed,  Inventory Rating: 17.0 metric tons,  Method Used To Determine Inventory Rating: No rating analysis performed,  Structural Evaluation: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 2.50m (8.20ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000
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Structure Number: 22643,  Location: 072221402 (Lat: 41.040164,  Lng: -93.365828),  Route carried "on" structure: County highway ,  Year Built: 1937,  Year Reconstructed: 1991,  Status: Posted for load,  Structure Length: 9.81m (32.19ft),  Average Daily Traffic: 1,140 (year 2018),  Truck Traffic: 11%,  Average Future Daily Traffic: 1,140 (year 2041),  Features Intersected: BNSF RR,  Facility Carried by Structure: S23 200TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.290,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Steel,  Design/Construction: Arch - Deck,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 5,  Length of Maximum Span: 32.9m (107.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Good,  Superstructure: Poor,  Substructure: Satisfactory,  Operating Rating: 35.5 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 23.9 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 32.20m (105.64ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Critical Feature Inspection Date: July 2021,  Bridge Improvement Cost: $30,000,  Roadway Improvement Cost: $3,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 3635,  Location: 072222504 (Lat: 41.014225,  Lng: -93.327769),  Route carried "on" structure: County highway ,  Year Built: 1959,  Status: Open,  Structure Length: 1.01m (3.31ft),  Average Daily Traffic: 180 (year 2014),  Average Future Daily Traffic: 180 (year 2041),  Design Load: HS 20,  Features Intersected: BR OF CHARITON RIVER,  Facility Carried by Structure: 220TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.278,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Good,  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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 3.30m (10.83ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000
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Structure Number: 3431,  Location: 0.4 mi. E of Jct. IA 14 (Lat: 41.004722,  Lng: -93.302936),  Route carried "under" structure: City street ,  Year Built: 1960,  Structure Length: 0. m,  Average Daily Traffic: 70 (year 2018),  Features Intersected: RUSSELL BLVD, BNSF&UP RR,  Facility Carried by Structure: US 34
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.179,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 27.7m (90.9ft)

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Structure Number: 3442,  Location: AT JCT. US 34 (Lat: 41.004561,  Lng: -93.308142),  Route carried "under" structure: US 34,  Year Built: 1960,  Structure Length: 0. m,  Average Daily Traffic: 1,750 (year 2020),  Truck Traffic: 25%,  Features Intersected: US 34,  Facility Carried by Structure: IA 14
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 225.764,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 21.0m (68.9ft)

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