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


  • National Bridge Inventory (NBI) Statistics
  • 18Number of bridges
  • 115ft / 35.2mTotal length
  • 4,360Total average daily traffic
  • 209Total average daily truck traffic
  • 4,360Total future (year 2039) average daily traffic
  • National Bridge Inventory (NBI) Registered Bridges for Blairstown
  • No street view available for this location

New bridges in Blairstown, IA - historical statistics
  • New bridges - historical statistics
  • 11900-1909
  • 11950-1959
  • 11960-1969
  • 21970-1979
  • 61980-1989
  • 31990-1999
  • 22000-2009
  • 22010-2019
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 27.3%Very good
  • 18.2%Good
  • 45.5%Satisfactory
  • 9.1%Serious
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 27.3%Very good
  • 18.2%Good
  • 45.5%Satisfactory
  • 9.1%Fair
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 27.3%Very good
  • 18.2%Good
  • 9.1%Satisfactory
  • 9.1%Fair
  • 9.1%Poor
  • 27.3%Serious
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 22.2%Very good
  • 16.7%Good
  • 38.9%Satisfactory
  • 16.7%Fair
  • 5.6%Serious
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 14.3%Very good
  • 14.3%Good
  • 42.9%Satisfactory
  • 14.3%Poor
  • 14.3%Serious
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Structure Number: 1445,  Location: 082111304 (Lat: 41.911822,  Lng: -92.084461),  Route carried "on" structure: County highway ,  Year Built: 1960,  Status: Open,  Structure Length: 5.58m (18.31ft),  Average Daily Traffic: 1,690 (year 2021),  Average Future Daily Traffic: 1,690 (year 2041),  Design Load: HS 20,  Features Intersected: PRAIRIE CREEK,  Facility Carried by Structure: LOCUST ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.775,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.3m (60.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Serious,  Superstructure: Fair,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 38.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 22.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 18.30m (60.04ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 7018,  Location: 082100701 (Lat: 41.935125,  Lng: -92.063225),  Route carried "on" structure: County highway ,  Year Built: 1957,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 30 (year 2017),  Average Future Daily Traffic: 30 (year 2041),  Design Load: H 20,  Features Intersected: WEASEL CK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 16.245,  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),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 8.5m (27.9ft)

Condition: Channel: Satisfactory,  Culverts: Poor,  Operating Rating: 53.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 31.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Better than present minimum criteria,  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: May 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000
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Structure Number: 70231,  Location: 082101701 (Lat: 41.920736,  Lng: -92.035067),  Route carried "on" structure: County highway ,  Year Built: 1986,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 70 (year 2017),  Average Future Daily Traffic: 70 (year 2039),  Design Load: HS 20,  Features Intersected: BUFFALO CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 19.383,  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: 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 desirable criteria,  Length Of Structure Improvement: 2.50m (8.20ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2019,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000
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Structure Number: 70251,  Location: 082101801 (Lat: 41.920675,  Lng: -92.061500),  Route carried "on" structure: County highway ,  Year Built: 1986,  Status: Open,  Structure Length: 2.38m (7.81ft),  Average Daily Traffic: 70 (year 2017),  Average Future Daily Traffic: 70 (year 2041),  Design Load: H 20,  Features Intersected: WEASEL CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 17.191,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 8.8m (28.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 53.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 31.2 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: Better than present minimum criteria,  Length Of Structure Improvement: 7.80m (25.59ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 70271,  Location: 082102001 (Lat: 41.906278,  Lng: -92.046622),  Route carried "on" structure: County highway ,  Year Built: 2000,  Status: Open,  Structure Length: 6.22m (20.41ft),  Average Daily Traffic: 800 (year 2021),  Average Future Daily Traffic: 800 (year 2039),  Design Load: HS 20,  Features Intersected: PRAIRIE CREEK,  Facility Carried by Structure: 77 ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 16.087,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.7m (35.1ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 21.9m (71.9ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 75.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 44.7 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: Better than present minimum criteria,  Length Of Structure Improvement: 20.40m (66.93ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 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: 70275,  Location: 082102004 (Lat: 41.893017,  Lng: -92.046008),  Route carried "on" structure: County highway ,  Year Built: 1978,  Status: Posted for load,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 60 (year 2017),  Average Future Daily Traffic: 60 (year 2041),  Features Intersected: BR PRAIRIE CK,  Facility Carried by Structure: LOCAL (LWC)
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.753,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.1m (29.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Serious,  Channel: Satisfactory,  Operating Rating: 22.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 12.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of corrective action,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Length Of Structure Improvement: 3.10m (10.17ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 7034,  Location: 082103001 (Lat: 41.891750,  Lng: -92.047269),  Route carried "on" structure: County highway ,  Year Built: 1900,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 80 (year 2021),  Average Future Daily Traffic: 80 (year 2041),  Features Intersected: PRAIRIE CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.719,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.8m (28.9ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Serious,  Culverts: Serious,  Operating Rating: 23.2 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 17.0 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: High priority of corrective action,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 5.00m (16.40ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $165,000,  Roadway Improvement Cost: $17,000
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Structure Number: 7035,  Location: 082110101 (Lat: 41.949150,  Lng: -92.066808),  Route carried "on" structure: County highway ,  Year Built: 1979,  Status: Posted for load,  Structure Length: 1.13m (3.71ft),  Average Daily Traffic: 45 (year 2017),  Average Future Daily Traffic: 45 (year 2041),  Features Intersected: WEASEL CREEK,  Facility Carried by Structure: LOCAL (LWC)
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 19.133,  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: 11.0m (36.1ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 8.5m (27.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Serious,  Channel: Satisfactory,  Operating Rating: 24.2 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: High priority of corrective action,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Length Of Structure Improvement: 3.70m (12.14ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 70371,  Location: 082110401 (Lat: 41.949336,  Lng: -92.134725),  Route carried "on" structure: County highway ,  Year Built: 1980,  Status: Posted for load,  Structure Length: 1.52m (4.99ft),  Average Daily Traffic: 15 (year 2017),  Average Future Daily Traffic: 15 (year 2041),  Features Intersected: PRAIRIE CREEK,  Facility Carried by Structure: LOCAL (LWC)
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 13.504,  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: 14.9m (48.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Serious,  Channel: Fair,  Operating Rating: 4.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Structural Evaluation: High priority of replacement,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Better than present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 5.00m (16.40ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 70381,  Location: 082110401 (Lat: 41.949136,  Lng: -92.128200),  Route carried "on" structure: County highway ,  Year Built: 1987,  Status: Open,  Structure Length: 1.10m (3.61ft),  Average Daily Traffic: 15 (year 2017),  Average Future Daily Traffic: 15 (year 2041),  Features Intersected: BRANCH PRAIRIE CREEK,  Facility Carried by Structure: LOCAL (LWC)
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 14.048,  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: 10.1m (33.1ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Fair,  Operating Rating: 79.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 52.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 3.60m (11.81ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Other
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Structure Number: 70461,  Location: 082110901 (Lat: 41.935094,  Lng: -92.131219),  Route carried "on" structure: County highway ,  Year Built: 1990,  Status: Open,  Structure Length: 1.59m (5.22ft),  Average Daily Traffic: 45 (year 2017),  Average Future Daily Traffic: 45 (year 2041),  Features Intersected: PRAIRIE CREEK,  Facility Carried by Structure: LOCAL (LWC)
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 13.811,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.4m (21.0ft),  Material/Design: Steel,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 15.2m (49.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Fair,  Operating Rating: 57.2 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 32.8 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: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 5.20m (17.06ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 70471,  Location: 082111003 (Lat: 41.928100,  Lng: -92.106464),  Route carried "on" structure: County highway ,  Year Built: 2000,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 70 (year 2017),  Average Future Daily Traffic: 70 (year 2039),  Design Load: HS 20,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: 75 ST DR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.182,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

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: Equal to present desirable criteria,  Length Of Structure Improvement: 2.00m (6.56ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: April 2019,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000
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Structure Number: 70491,  Location: 082111502 (Lat: 41.915364,  Lng: -92.123275),  Route carried "on" structure: County highway ,  Year Built: 2015,  Status: Open,  Structure Length: 5.09m (16.70ft),  Average Daily Traffic: 160 (year 2021),  Truck Traffic: 18%,  Average Future Daily Traffic: 160 (year 2041),  Design Load: HL 93,  Features Intersected: PRAIRIE CREEK,  Facility Carried by Structure: V56 19TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.847,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  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: 9.3m (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: Equal to 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: April 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 71351,  Location: 083113402 (Lat: 41.951297,  Lng: -92.123758),  Route carried "on" structure: County highway ,  Year Built: 2014,  Status: Open,  Structure Length: 3.08m (10.10ft),  Average Daily Traffic: 45 (year 2021),  Average Future Daily Traffic: 45 (year 2041),  Design Load: HL 93,  Features Intersected: PRAIRIE CREEK,  Facility Carried by Structure: V56 19TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.836,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 10.7m (35.1ft),  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: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: May 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 191341,  Location: 081110206 (Lat: 41.861336,  Lng: -92.091519),  Route carried "on" structure: County highway ,  Year Built: 1983,  Status: Open,  Structure Length: 1.01m (3.31ft),  Average Daily Traffic: 1,070 (year 2021),  Truck Traffic: 17%,  Average Future Daily Traffic: 1,070 (year 2040),  Design Load: H 20,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 33.346,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  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: 32.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 24.5 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: Meets minimum limits,  Length Of Structure Improvement: 3.30m (10.83ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000
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Structure Number: 36292,  Location: 082100702 (Lat: 41.930164,  Lng: -92.065569),  Route carried "on" structure: County highway ,  Year Built: 1987,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 30 (year 2017),  Average Future Daily Traffic: 30 (year 2041),  Design Load: H 20,  Features Intersected: BRANCH WEASEL CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.887,  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: Satisfactory,  Culverts: Good,  Operating Rating: 48.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.10m (6.89ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000
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Structure Number: 36389,  Location: 082100801 (Lat: 41.935197,  Lng: -92.033436),  Route carried "on" structure: County highway ,  Year Built: 1996,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 25 (year 2017),  Average Future Daily Traffic: 25 (year 2039),  Design Load: HS 20,  Features Intersected: BUFFALO CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 18.715,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.4m (21.0ft),  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: 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 desirable criteria,  Length Of Structure Improvement: 2.50m (8.20ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2019,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000
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Structure Number: 363965,  Location: 082101702 (Lat: 41.913608,  Lng: -92.046556),  Route carried "on" structure: County highway ,  Year Built: 1997,  Status: Open,  Structure Length: 1.28m (4.20ft),  Average Daily Traffic: 40 (year 2017),  Average Future Daily Traffic: 40 (year 2041),  Features Intersected: BUFFALO CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.085,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.4m (21.0ft),  Material/Design: Steel,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.6m (38.1ft),  Curb-To-Curb Width: 9.2m (30.2ft),  Out-to-Out Width: 9.6m (31.5ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 49.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.20m (13.78ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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