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


  • National Bridge Inventory (NBI) Statistics
  • 25Number of bridges
  • 397ft / 121mTotal length
  • 23,415Total average daily traffic
  • 2,372Total average daily truck traffic
  • 23,415Total future (year 2039) average daily traffic
  • National Bridge Inventory (NBI) Registered Bridges for Treynor
  • No street view available for this location

New bridges in Treynor, IA - historical statistics
  • New bridges - historical statistics
  • 11940-1949
  • 21950-1959
  • 11960-1969
  • 21970-1979
  • 31980-1989
  • 51990-1999
  • 52000-2009
  • 62010-2019
Average Bridge Daily Traffic in Treynor, IA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 8.0%Excellent
  • 16.0%Very good
  • 48.0%Good
  • 8.0%Satisfactory
  • 16.0%Fair
  • 4.0%Poor
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 48.0%Very good
  • 36.0%Good
  • 4.0%Satisfactory
  • 12.0%Fair
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 4.0%Excellent
  • 32.0%Very good
  • 32.0%Good
  • 20.0%Satisfactory
  • 12.0%Fair
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 20.0%Very good
  • 24.0%Good
  • 44.0%Satisfactory
  • 8.0%Fair
  • 4.0%Poor
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Structure Number: 43241,  Location: 0.3 MI. W SR L-55 (Lat: 41.289461,  Lng: -95.617933),  Route carried "on" structure: US 6,  Year Built: 1989,  Status: Open,  Structure Length: 3.93m (12.89ft),  Average Daily Traffic: 3,070 (year 2020),  Truck Traffic: 12%,  Average Future Daily Traffic: 3,070 (year 2040),  Design Load: HS 20,  Features Intersected: LITTLE SILVER CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 30.909,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 4 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: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 89.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 53.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 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: 43251,  Location: 1.2 MI. E OF SR L-55 (Lat: 41.289425,  Lng: -95.589239),  Route carried "on" structure: US 6,  Year Built: 1989,  Status: Open,  Structure Length: 4.05m (13.29ft),  Average Daily Traffic: 2,500 (year 2020),  Truck Traffic: 15%,  Average Future Daily Traffic: 2,500 (year 2040),  Design Load: HS 20,  Features Intersected: MIDDLE SILVER CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 33.313,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 15.5m (50.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very good,  Channel: Good,  Operating Rating: 76.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 46.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 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: 43801,  Location: 2.4 mi W of W Jct. SR L55 (Lat: 41.232711,  Lng: -95.675044),  Route carried "on" structure: State highway 92,  Year Built: 2008,  Status: Open,  Structure Length: 6.00m (19.69ft),  Average Daily Traffic: 4,010 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 4,010 (year 2041),  Design Load: HS 20,  Features Intersected: KEG CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 21.903,  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: 31.1m (102.0ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 80.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.9 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: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 43821,  Location: 0.3 MI. W OF CO. RD. L-55 (Lat: 41.232783,  Lng: -95.634406),  Route carried "on" structure: State highway 92,  Year Built: 2015,  Status: Open,  Structure Length: 7.20m (23.62ft),  Average Daily Traffic: 4,010 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 4,010 (year 2041),  Design Load: HL 93,  Features Intersected: LITTLE SILVER CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 25.309,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 28.0m (91.9ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.4m (47.2ft)

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: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Other
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Structure Number: 43831,  Location: 0.2 MI. E of W JCT SR L55 (Lat: 41.232653,  Lng: -95.625439),  Route carried "on" structure: State highway 92,  Year Built: 2009,  Status: Open,  Structure Length: 7.77m (25.49ft),  Average Daily Traffic: 4,450 (year 2020),  Truck Traffic: 8%,  Average Future Daily Traffic: 4,450 (year 2041),  Design Load: HS 25 or greater,  Features Intersected: MIDDLE SILVER CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 26.060,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 38.4m (126.0ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 90.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 44.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 4384,  Location: 2.8 Mi E Of Treynor (Lat: 41.232631,  Lng: -95.546864),  Route carried "on" structure: State highway 92,  Year Built: 1955,  Status: Open,  Structure Length: 5.58m (18.31ft),  Average Daily Traffic: 2,630 (year 2020),  Truck Traffic: 14%,  Average Future Daily Traffic: 2,630 (year 2040),  Design Load: HS 20,  Features Intersected: SILVER CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 32.649,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 21.3m (69.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 47.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 28.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 284341,  Location: 074410303 (Lat: 41.245969,  Lng: -95.540969),  Route carried "on" structure: County highway ,  Year Built: 2009,  Status: Open,  Structure Length: 5.82m (19.09ft),  Average Daily Traffic: 15 (year 2016),  Average Future Daily Traffic: 15 (year 2039),  Design Load: HS 20,  Features Intersected: SILVER CREEK,  Facility Carried by Structure: COTTONWOOD ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 16.533,  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: 3,  Length of Maximum Span: 21.0m (68.9ft),  Curb-To-Curb Width: 7.5m (24.6ft),  Out-to-Out Width: 8.3m (27.2ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 75.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 37.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: June 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 284361,  Location: 074410602 (Lat: 41.243428,  Lng: -95.613044),  Route carried "on" structure: County highway ,  Year Built: 2006,  Status: Open,  Structure Length: 5.36m (17.59ft),  Average Daily Traffic: 1,070 (year 2016),  Truck Traffic: 11%,  Average Future Daily Traffic: 1,070 (year 2040),  Design Load: HS 20,  Features Intersected: SILVER CREEK,  Facility Carried by Structure: FM-300TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 8.526,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 19.8m (65.0ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 10.3m (33.8ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 70.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 38.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable 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 48 months,  Inspection Date: June 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 284421,  Location: 074411902 (Lat: 41.196283,  Lng: -95.612950),  Route carried "on" structure: County highway ,  Year Built: 2003,  Status: Open,  Structure Length: 7.04m (23.10ft),  Average Daily Traffic: 80 (year 2016),  Average Future Daily Traffic: 80 (year 2039),  Design Load: HS 20,  Features Intersected: MIDDLE SILVER CREEK,  Facility Carried by Structure: 300TH STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.027,  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: 3,  Length of Maximum Span: 24.4m (80.1ft),  Curb-To-Curb Width: 7.5m (24.6ft),  Out-to-Out Width: 8.3m (27.2ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 80.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 34.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: June 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 284451,  Location: 074412201 (Lat: 41.203553,  Lng: -95.556633),  Route carried "on" structure: County highway ,  Year Built: 1997,  Status: Open,  Structure Length: 5.85m (19.19ft),  Average Daily Traffic: 60 (year 2016),  Average Future Daily Traffic: 60 (year 2039),  Design Load: HS 20,  Features Intersected: SILVER CREEK,  Facility Carried by Structure: BEECHNUT ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 10.726,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Prestressed concrete continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 20.7m (67.9ft),  Curb-To-Curb Width: 7.5m (24.6ft),  Out-to-Out Width: 8.3m (27.2ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Very good,  Operating Rating: 75.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 36.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: June 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 28452,  Location: 074412801 (Lat: 41.189047,  Lng: -95.565942),  Route carried "on" structure: County highway ,  Year Built: 1948,  Status: Open,  Structure Length: 6.52m (21.39ft),  Average Daily Traffic: 70 (year 2016),  Average Future Daily Traffic: 70 (year 2041),  Design Load: H 15,  Features Intersected: SILVER CREEK,  Facility Carried by Structure: PIONEER TRAIL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 20.019,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 25.0m (82.0ft),  Curb-To-Curb Width: 6.7m (22.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Fair,  Operating Rating: 44.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 26.8 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: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 21.00m (68.90ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $80,000,  Roadway Improvement Cost: $20,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 28453,  Location: 074412804 (Lat: 41.177931,  Lng: -95.575681),  Route carried "on" structure: County highway ,  Year Built: 1975,  Status: Open,  Structure Length: 7.62m (25.00ft),  Average Daily Traffic: 50 (year 2016),  Average Future Daily Traffic: 50 (year 2040),  Design Load: HS 20,  Features Intersected: SILVER CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.991,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 4 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 29.9m (98.1ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 47.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 30.4 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 28454,  Location: 074413001 (Lat: 41.188964,  Lng: -95.606606),  Route carried "on" structure: County highway ,  Year Built: 1958,  Status: Open,  Structure Length: 5.33m (17.49ft),  Average Daily Traffic: 80 (year 2016),  Average Future Daily Traffic: 80 (year 2040),  Design Load: H 15,  Features Intersected: SILVER CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 16.607,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 20.7m (67.9ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.6m (21.7ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Poor,  Operating Rating: 30.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 18.4 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: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 284651,  Location: 074420301 (Lat: 41.246294,  Lng: -95.670339),  Route carried "on" structure: County highway ,  Year Built: 1997,  Status: Open,  Structure Length: 6.61m (21.69ft),  Average Daily Traffic: 50 (year 2016),  Average Future Daily Traffic: 50 (year 2039),  Design Load: HS 20,  Features Intersected: KEG CREEK,  Facility Carried by Structure: COTTONWOOD ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 8.464,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 23.2m (76.1ft),  Curb-To-Curb Width: 7.5m (24.6ft),  Out-to-Out Width: 8.3m (27.2ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 76.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 38.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: June 2019,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 28467,  Location: 074421204 (Lat: 41.228728,  Lng: -95.631394),  Route carried "on" structure: County highway ,  Year Built: 1964,  Status: Open,  Structure Length: 4.69m (15.39ft),  Average Daily Traffic: 760 (year 2016),  Truck Traffic: 9%,  Average Future Daily Traffic: 760 (year 2041),  Design Load: HS 20,  Features Intersected: SILVER CREEK,  Facility Carried by Structure: 290TH STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.685,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.0m (59.1ft),  Curb-To-Curb Width: 9.2m (30.2ft),  Out-to-Out Width: 9.2m (30.2ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 43.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 26.3 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 desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 15.20m (49.87ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $33,000,  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: 284741,  Location: 074422401 (Lat: 41.203417,  Lng: -95.614364),  Route carried "on" structure: County highway ,  Year Built: 1990,  Status: Open,  Structure Length: 4.69m (15.39ft),  Average Daily Traffic: 60 (year 2016),  Average Future Daily Traffic: 60 (year 2039),  Design Load: HS 20,  Features Intersected: MIDDLE SILVER CREEK,  Facility Carried by Structure: BEECHNUT ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.885,  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: 3,  Length of Maximum Span: 16.8m (55.1ft),  Curb-To-Curb Width: 7.5m (24.6ft),  Out-to-Out Width: 8.3m (27.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 72.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 35.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: June 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 284751,  Location: 074422401 (Lat: 41.203542,  Lng: -95.623750),  Route carried "on" structure: County highway ,  Year Built: 2019,  Status: Open,  Structure Length: 3.05m (10.01ft),  Average Daily Traffic: 60 (year 2016),  Average Future Daily Traffic: 60 (year 2040),  Design Load: HL 93,  Features Intersected: STREAM,  Facility Carried by Structure: BEECHNUT ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.097,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 30.2m (99.1ft),  Curb-To-Curb Width: 7.1m (23.3ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Excellent,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 53.8 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: 41.5 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,  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: May 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: 286351,  Location: 075412901 (Lat: 41.274972,  Lng: -95.594219),  Route carried "on" structure: County highway ,  Year Built: 2012,  Status: Open,  Structure Length: 3.05m (10.01ft),  Average Daily Traffic: 30 (year 2016),  Average Future Daily Traffic: 30 (year 2041),  Design Load: HL 93,  Features Intersected: MIDDLE SILVER CREEK,  Facility Carried by Structure: ELMTREE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.588,  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: 30.5m (100.1ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 53.8 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: 41.5 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,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum 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
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Structure Number: 286361,  Location: 075413101 (Lat: 41.260506,  Lng: -95.596056),  Route carried "on" structure: County highway ,  Year Built: 1979,  Status: Open,  Structure Length: 3.32m (10.89ft),  Average Daily Traffic: 70 (year 2016),  Average Future Daily Traffic: 70 (year 2041),  Design Load: HS 20,  Features Intersected: MIDDLE SILVER CREEK,  Facility Carried by Structure: DOGWOOD ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.941,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 12.5m (41.0ft),  Curb-To-Curb Width: 7.2m (23.6ft),  Out-to-Out Width: 7.7m (25.3ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 42.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 25.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: 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 Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 286382,  Location: 075413202 (Lat: 41.248211,  Lng: -95.594503),  Route carried "on" structure: County highway ,  Year Built: 1994,  Status: Open,  Structure Length: 1.83m (6.00ft),  Average Daily Traffic: 60 (year 2016),  Average Future Daily Traffic: 60 (year 2041),  Design Load: HS 20,  Features Intersected: STREAM,  Facility Carried by Structure: 310TH STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.339,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.0m (59.1ft),  Curb-To-Curb Width: 5.3m (17.4ft),  Out-to-Out Width: 5.4m (17.7ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Fair,  Operating Rating: 28.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 21.0 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of corrective action,  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: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 28657,  Location: 075422404 (Lat: 41.285033,  Lng: -95.622253),  Route carried "on" structure: County highway ,  Year Built: 1990,  Status: Open,  Structure Length: 1.83m (6.00ft),  Average Daily Traffic: 5 (year 2016),  Average Future Daily Traffic: 5 (year 2041),  Design Load: HS 20,  Features Intersected: LITTLE SILVER CREEK,  Facility Carried by Structure: EAGLE LANE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.089,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.0m (59.1ft),  Curb-To-Curb Width: 5.3m (17.4ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Poor,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 33.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 19.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 6.00m (19.69ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $5,000,  Roadway Improvement Cost: $1,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 286581,  Location: 075422501 (Lat: 41.275103,  Lng: -95.630419),  Route carried "on" structure: County highway ,  Year Built: 2017,  Status: Open,  Structure Length: 2.74m (8.99ft),  Average Daily Traffic: 25 (year 2016),  Average Future Daily Traffic: 25 (year 2041),  Design Load: HL 93,  Features Intersected: LITTLE SILVER CREEK,  Facility Carried by Structure: ELMTREE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.556,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Material/Design: Concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 9.1m (29.9ft),  Curb-To-Curb Width: 7.5m (24.6ft),  Out-to-Out Width: 7.6m (24.9ft)

Condition: Deck: Excellent,  Superstructure: Very good,  Substructure: Excellent,  Channel: Good,  Operating Rating: 47.6 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: 36.6 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,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021
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Structure Number: 286591,  Location: 075422607 (Lat: 41.266119,  Lng: -95.632872),  Route carried "on" structure: County highway ,  Year Built: 2012,  Status: Open,  Structure Length: 3.05m (10.01ft),  Average Daily Traffic: 80 (year 2016),  Average Future Daily Traffic: 80 (year 2039),  Design Load: HL 93,  Features Intersected: LITTLE SILVER CREEK,  Facility Carried by Structure: DELTA AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.333,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 30.5m (100.1ft),  Curb-To-Curb Width: 7.1m (23.3ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 53.8 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: 41.5 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,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: High priority of corrective action,  Designated Inspection Frequency: Every 48 months,  Inspection Date: May 2019,  Deck Structure Type: Concrete Precast Panels
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Structure Number: 286611,  Location: 075422703 (Lat: 41.264400,  Lng: -95.668600),  Route carried "on" structure: County highway ,  Year Built: 1982,  Status: Open,  Structure Length: 5.09m (16.70ft),  Average Daily Traffic: 70 (year 2016),  Average Future Daily Traffic: 70 (year 2040),  Design Load: HS 20,  Features Intersected: KEG CREEK,  Facility Carried by Structure: FM-DOGWOOD RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.071,  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: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: 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: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: May 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 286682,  Location: 075423503 (Lat: 41.249736,  Lng: -95.638528),  Route carried "on" structure: County highway ,  Year Built: 2015,  Status: Open,  Structure Length: 3.11m (10.20ft),  Average Daily Traffic: 50 (year 2016),  Average Future Daily Traffic: 50 (year 2039),  Design Load: HL 93,  Features Intersected: LITTLE SILVER CREEK,  Facility Carried by Structure: COTTONWOOD ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 11.516,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 30.2m (99.1ft),  Curb-To-Curb Width: 7.1m (23.3ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 53.8 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: 41.5 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,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: May 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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