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


  • National Bridge Inventory (NBI) Statistics
  • 19Number of bridges
  • 131ft / 40.1mTotal length
  • 13,815Total average daily traffic
  • 2,250Total average daily truck traffic
  • 13,815Total future (year 2039) average daily traffic
  • National Bridge Inventory (NBI) Registered Bridges for Mapleton
  • No street view available for this location

New bridges in Mapleton, IA - historical statistics
  • New bridges - historical statistics
  • 31900-1909
  • 31950-1959
  • 21960-1969
  • 71970-1979
  • 11980-1989
  • 32010-2019
Reconstructed bridges in Mapleton, IA - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 11940-1949
  • 01950-1959
  • 01960-1969
  • 01970-1979
  • 01980-1989
  • 01990-1999
  • 22000-2009
  • 12010-2019
Average Bridge Daily Traffic in Mapleton, IA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 20.0%Very good
  • 10.0%Good
  • 20.0%Satisfactory
  • 40.0%Fair
  • 10.0%Failed
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 30.0%Very good
  • 40.0%Fair
  • 20.0%Poor
  • 10.0%Failed
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 20.0%Very good
  • 30.0%Good
  • 10.0%Satisfactory
  • 20.0%Fair
  • 10.0%Poor
  • 10.0%Failed
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 21.1%Very good
  • 26.3%Good
  • 36.8%Satisfactory
  • 15.8%Fair
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 11.1%Very good
  • 55.6%Good
  • 33.3%Satisfactory
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Structure Number: 36741,  Location: 0.8 Mi W of W Jct. IA175 (Lat: 42.172586,  Lng: -95.814564),  Route carried "on" structure: State highway 141,  Year Built: 2014,  Status: Open,  Structure Length: 1.40m (4.59ft),  Average Daily Traffic: 1,690 (year 2020),  Truck Traffic: 20%,  Average Future Daily Traffic: 1,690 (year 2040),  Design Load: HL 93,  Features Intersected: SIMMONS CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 38.225,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Very good,  Culverts: Good,  Operating Rating: 85.5 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: 66.1 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: Better than present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020
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Structure Number: 3675,  Location: 0.1 mi E of W jct IA 175 (Lat: 42.171519,  Lng: -95.796692),  Route carried "on" structure: State highway 141,  Year Built: 1967,  Status: Open,  Structure Length: 9.30m (30.51ft),  Average Daily Traffic: 3,300 (year 2020),  Truck Traffic: 11%,  Average Future Daily Traffic: 3,300 (year 2040),  Design Load: HS 20,  Features Intersected: MAPLE RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 39.712,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 4 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 35.7m (117.1ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Satisfactory,  Superstructure: Poor,  Substructure: Fair,  Channel: Fair,  Operating Rating: 49.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 36761,  Location: 0.9 mi. E of E jct IA 175 (Lat: 42.155569,  Lng: -95.792250),  Route carried "on" structure: State highway 141,  Year Built: 1977,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 1,340 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 1,340 (year 2041),  Design Load: HS 20,  Features Intersected: MUCKY CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 41.680,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 1 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: Satisfactory,  Culverts: Good,  Operating Rating: 54.4 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: 41.8 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: Better than present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021
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Structure Number: 37061,  Location: 5.2 mi E of E jct SR L20 (Lat: 42.129942,  Lng: -95.846353),  Route carried "on" structure: State highway 175,  Year Built: 1973,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 1,080 (year 2020),  Truck Traffic: 18%,  Average Future Daily Traffic: 1,080 (year 2041),  Design Load: HS 20,  Features Intersected: DRAINAGE DITCH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 41.029,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 42.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 25.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to 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
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Structure Number: 37071,  Location: 1.9 mi. W of E jct IA 141 (Lat: 42.151919,  Lng: -95.821625),  Route carried "on" structure: State highway 175,  Year Built: 1973,  Status: Open,  Structure Length: 0.98m (3.22ft),  Average Daily Traffic: 1,080 (year 2020),  Truck Traffic: 18%,  Average Future Daily Traffic: 1,080 (year 2041),  Design Load: HS 20,  Features Intersected: DRAINAGE DITCH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 44.210,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.1m (29.9ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Channel: Good,  Operating Rating: 55.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present desirable 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: 3708,  Location: 1.1 mi. W of E jct IA 141 (Lat: 42.156819,  Lng: -95.810225),  Route carried "on" structure: State highway 175,  Year Built: 1955,  Status: Closed,  Structure Length: 7.44m (24.41ft),  Average Daily Traffic: 1,080 (year 2020),  Truck Traffic: 18%,  Average Future Daily Traffic: 1,080 (year 2040),  Design Load: H 20,  Features Intersected: MAPLE RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 45.332,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 28.7m (94.2ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Fair,  Operating Rating: 40.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 20.1 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  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,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: August 2020,  Underwater Inspection Date: March 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 37091,  Location: 0.8 mi. W of W Jct IA 141 (Lat: 42.157956,  Lng: -95.806025),  Route carried "on" structure: State highway 175,  Year Built: 1973,  Status: Open,  Structure Length: 2.99m (9.81ft),  Average Daily Traffic: 1,080 (year 2020),  Truck Traffic: 18%,  Average Future Daily Traffic: 1,080 (year 2041),  Design Load: HS 20,  Features Intersected: MUCKY CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 45.705,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 29.0m (95.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Very good,  Operating Rating: 86.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present desirable criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum 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: 3711,  Location: 3.8 mi. W of SR L37 (Lat: 42.204478,  Lng: -95.774608),  Route carried "on" structure: State highway 175,  Year Built: 1900,  Year Reconstructed: 1952,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 1,290 (year 2020),  Truck Traffic: 21%,  Average Future Daily Traffic: 1,290 (year 2040),  Design Load: H 20,  Features Intersected: DRAINAGE DITCH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 52.384,  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: 3.7m (12.1ft)

Condition: Channel: Satisfactory,  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: 250405,  Location: 084420602 (Lat: 42.118219,  Lng: -95.787597),  Route carried "on" structure: County highway ,  Year Built: 1959,  Year Reconstructed: 2013,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 330 (year 2016),  Truck Traffic: 18%,  Average Future Daily Traffic: 330 (year 2040),  Design Load: H 20,  Features Intersected: STREAM,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 14.219,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 3 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: Good,  Culverts: Satisfactory,  Inventory Rating: 55.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.50m (14.76ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Bridge Improvement Cost: $135,000,  Roadway Improvement Cost: $13,000
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Structure Number: 250561,  Location: 084430102 (Lat: 42.123083,  Lng: -95.807181),  Route carried "on" structure: County highway ,  Year Built: 1900,  Year Reconstructed: 2013,  Status: Posted for load,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 20 (year 2016),  Average Future Daily Traffic: 20 (year 2040),  Features Intersected: TRIB MAPLE RIVER,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 27.718,  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: 1,  Length of Maximum Span: 7.0m (23.0ft),  Curb-To-Curb Width: 6.0m (19.7ft),  Out-to-Out Width: 6.2m (20.3ft)

Condition: Deck: Fair,  Superstructure: Poor,  Substructure: Satisfactory,  Channel: Fair,  Operating Rating: 18.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 12.2 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Meets minimum limits,  Approach Roadway Alignment: High priority of corrective action,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 3.00m (9.84ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 251125,  Location: 085421802 (Lat: 42.177347,  Lng: -95.787350),  Route carried "on" structure: County highway ,  Year Built: 1976,  Year Reconstructed: 2017,  Status: Open,  Structure Length: 2.01m (6.59ft),  Average Daily Traffic: 10 (year 2016),  Average Future Daily Traffic: 10 (year 2041),  Features Intersected: HEISLER CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 15.828,  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: 7.6m (24.9ft),  Curb-To-Curb Width: 5.2m (17.1ft),  Out-to-Out Width: 5.3m (17.4ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Very good,  Channel: Satisfactory,  Operating Rating: 30.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 25.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  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: May 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 251221,  Location: 085430203 (Lat: 42.204656,  Lng: -95.808650),  Route carried "on" structure: County highway ,  Year Built: 2012,  Status: Open,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 30 (year 2016),  Average Future Daily Traffic: 30 (year 2039),  Design Load: HS 20,  Features Intersected: DUTCH CREEK,  Facility Carried by Structure: 105TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.698,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.3m (14.1ft)

Condition: Channel: Very 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: Better than present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: June 2019
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Structure Number: 251255,  Location: 085431103 (Lat: 42.197381,  Lng: -95.807261),  Route carried "on" structure: County highway ,  Year Built: 1976,  Status: Open,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 10 (year 2016),  Average Future Daily Traffic: 10 (year 2040),  Design Load: H 20,  Features Intersected: DUTCH CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 29.626,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.3m (24.0ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: High priority of corrective action,  Length Of Structure Improvement: 2.40m (7.87ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: May 2020,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000
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Structure Number: 251271,  Location: 085431403 (Lat: 42.182781,  Lng: -95.822253),  Route carried "on" structure: County highway ,  Year Built: 1979,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 25 (year 2016),  Average Future Daily Traffic: 25 (year 2040),  Design Load: H 20,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: LOCAL RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 26.514,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.4m (21.0ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Length Of Structure Improvement: 2.10m (6.89ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: May 2020,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000
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Structure Number: 251281,  Location: 085431405 (Lat: 42.182953,  Lng: -95.811606),  Route carried "on" structure: County highway ,  Year Built: 1964,  Status: Closed,  Structure Length: 2.77m (9.09ft),  Average Daily Traffic: 25 (year 2016),  Average Future Daily Traffic: 25 (year 2039),  Features Intersected: LOCAL STREAM,  Facility Carried by Structure: LOCAL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 27.397,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel continuous,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 15.2m (49.9ft),  Curb-To-Curb Width: 5.3m (17.4ft),  Out-to-Out Width: 5.7m (18.7ft)

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: Somewhat better than minimum adequacy,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 11.70m (38.39ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2019,  Bridge Improvement Cost: $330,000,  Roadway Improvement Cost: $33,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 251286,  Location: 085431406 (Lat: 42.171036,  Lng: -95.812175),  Route carried "on" structure: County highway ,  Year Built: 1987,  Status: Open,  Structure Length: 3.14m (10.30ft),  Average Daily Traffic: 70 (year 2016),  Average Future Daily Traffic: 70 (year 2039),  Design Load: H 20,  Features Intersected: SIMMONS CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 18.799,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  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: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.3m (27.2ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 59.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 33.3 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 12.00m (39.37ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: June 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: 25133,  Location: 085432701 (Lat: 42.153994,  Lng: -95.840114),  Route carried "on" structure: County highway ,  Year Built: 1900,  Status: Posted for load,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 60 (year 2016),  Average Future Daily Traffic: 60 (year 2040),  Features Intersected: STREAM,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 19.162,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.4m (21.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.0m (23.0ft),  Curb-To-Curb Width: 6.0m (19.7ft),  Out-to-Out Width: 6.0m (19.7ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 28.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 22.1 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  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: 0.1 - 9.9% below),  Length Of Structure Improvement: 4.50m (14.76ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Bridge Improvement Cost: $110,000,  Roadway Improvement Cost: $11,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 350621,  Location: 086432605 (Lat: 42.229706,  Lng: -95.818919),  Route carried "on" structure: County highway ,  Year Built: 2017,  Status: Open,  Structure Length: 2.53m (8.30ft),  Average Daily Traffic: 5 (year 2019),  Average Future Daily Traffic: 5 (year 2040),  Design Load: HL 93,  Features Intersected: STREAM,  Facility Carried by Structure: 330TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 15.939,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 24.4m (80.1ft),  Curb or Sidewalk Widths: Left: 0.4m (1.3ft),  Right: 0.4m (1.3ft),  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: June 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: 60623,  Location: 2.9 mi E of W Jct IA 141 (Lat: 42.208114,  Lng: -95.770672),  Route carried "on" structure: State highway 175,  Year Built: 1952,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 1,290 (year 2020),  Truck Traffic: 21%,  Average Future Daily Traffic: 1,290 (year 2041),  Features Intersected: STREAM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 52.904,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft)

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: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021
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