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

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Structure Number: 209251,  Location: 086041802 (Lat: 42.256844,  Lng: -91.363642),  Route carried "on" structure: County highway ,  Year Built: 1985,  Status: Open,  Structure Length: 1.16m (3.81ft),  Average Daily Traffic: 45 (year 2021),  Average Future Daily Traffic: 45 (year 2041),  Design Load: HL 93,  Features Intersected: CREEK,  Facility Carried by Structure: LINN-JONES RD.
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 17.387,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 58.6 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: 45.0 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.00m (13.12ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $100,000,  Roadway Improvement Cost: $1,000

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Structure Number: 209261,  Location: 086041802 (Lat: 42.258958,  Lng: -91.363631),  Route carried "on" structure: County highway ,  Year Built: 1990,  Status: Open,  Structure Length: 1.40m (4.59ft),  Average Daily Traffic: 45 (year 2021),  Average Future Daily Traffic: 45 (year 2041),  Design Load: HS 20,  Features Intersected: SILVER CREEK,  Facility Carried by Structure: LINN-JONES RD.
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 17.622,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 13.4m (44.0ft),  Curb-To-Curb Width: 7.2m (23.6ft),  Out-to-Out Width: 7.7m (25.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 32.1 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 24.6 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 minimum criteria,  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: 5.00m (16.40ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $100,000,  Roadway Improvement Cost: $1,000,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 221861,  Location: 085050306 (Lat: 42.195550,  Lng: -91.423178),  Route carried "on" structure: County highway ,  Year Built: 1974,  Status: Open,  Structure Length: 5.85m (19.19ft),  Average Daily Traffic: 530 (year 2021),  Truck Traffic: 16%,  Average Future Daily Traffic: 530 (year 2040),  Design Load: HS 20,  Features Intersected: BUFFALO CREEK,  Facility Carried by Structure: PRAIRIEBURG RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.340,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Prestressed concrete continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 21.0m (68.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 66.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 27.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable 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: Monolithic Concrete

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Structure Number: 221871,  Location: 085050307 (Lat: 42.198542,  Lng: -91.417317),  Route carried "on" structure: County highway ,  Year Built: 1995,  Status: Open,  Structure Length: 1.43m (4.69ft),  Average Daily Traffic: 60 (year 2017),  Average Future Daily Traffic: 60 (year 2040),  Design Load: HS 20,  Features Intersected: TRIB BUFFALO CREEK,  Facility Carried by Structure: MCNAMARA RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.481,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 3 degrees,  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.5m (24.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 78.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 57.9 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: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 2219,  Location: 085050407 (Lat: 42.205753,  Lng: -91.430161),  Route carried "on" structure: County highway ,  Year Built: 1926,  Year Reconstructed: 1961,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 1,120 (year 2021),  Truck Traffic: 13%,  Average Future Daily Traffic: 1,120 (year 2040),  Design Load: HL 93,  Features Intersected: TRIB TO BUFFALO CREEK,  Facility Carried by Structure: SAWYER RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.870,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Channel: Satisfactory,  Culverts: Poor,  Operating Rating: 45.7 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: 35.3 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: 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,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020

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Structure Number: 22191,  Location: 085050505 (Lat: 42.206092,  Lng: -91.447028),  Route carried "on" structure: County highway ,  Year Built: 1973,  Status: Open,  Structure Length: 4.63m (15.19ft),  Average Daily Traffic: 1,120 (year 2021),  Truck Traffic: 13%,  Average Future Daily Traffic: 1,120 (year 2040),  Design Load: HS 20,  Features Intersected: BUFFALO CREEK,  Facility Carried by Structure: SAWYER RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.451,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Prestressed concrete continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 22.9m (75.1ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 56.1 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 36.3 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 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 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 221921,  Location: 085050803 (Lat: 42.183292,  Lng: -91.445392),  Route carried "on" structure: County highway ,  Year Built: 1998,  Status: Open,  Structure Length: 1.46m (4.79ft),  Average Daily Traffic: 80 (year 2017),  Average Future Daily Traffic: 80 (year 2040),  Design Load: HS 20,  Features Intersected: TRIB WAPSIPINICON R,  Facility Carried by Structure: MAXWELL RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.579,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.2m (26.9ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 78.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 57.9 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 22195,  Location: 085051401 (Lat: 42.179736,  Lng: -91.398836),  Route carried "on" structure: County highway ,  Year Built: 1900,  Status: Posted for load,  Structure Length: 3.35m (10.99ft),  Average Daily Traffic: 50 (year 2017),  Average Future Daily Traffic: 50 (year 2041),  Features Intersected: BUFFALO CR,  Facility Carried by Structure: BURLINGHAM RD
Minimum Vertical Clearance: 2.74m (8.99ft),  Kilometerpoint: 1.957,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Aluminum, Iron,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 32.9m (107.9ft),  Curb-To-Curb Width: 4.2m (13.8ft),  Out-to-Out Width: 4.5m (14.8ft)

Condition: Deck: Fair,  Superstructure: Serious,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 17.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 11.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of corrective action,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: High priority of corrective action,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Designated Inspection Frequency: Every 12 months,  Critical Feature Inspection Frequency: Every 12 months,  Inspection Date: July 2021,  Critical Feature Inspection Date: July 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 221971,  Location: 085051603 (Lat: 42.173233,  Lng: -91.441022),  Route carried "on" structure: County highway ,  Year Built: 1992,  Status: Open,  Structure Length: 1.46m (4.79ft),  Average Daily Traffic: 100 (year 2021),  Average Future Daily Traffic: 100 (year 2040),  Design Load: HS 20,  Features Intersected: TRIB TO WAPSIPINICON,  Facility Carried by Structure: WAPSIE BANKS RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.820,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 7.2m (23.6ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 78.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 57.9 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 22269,  Location: 086050901 (Lat: 42.282206,  Lng: -91.437522),  Route carried "on" structure: County highway ,  Year Built: 1960,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 540 (year 2021),  Truck Traffic: 16%,  Average Future Daily Traffic: 540 (year 2040),  Design Load: HL 93,  Features Intersected: TRIB BOULDER CR,  Facility Carried by Structure: MONTICELLO RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.890,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 3 degrees,  Material/Design: Concrete,  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: 46.7 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: 36.0 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Superior to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020

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Structure Number: 222701,  Location: 086051301 (Lat: 42.267486,  Lng: -91.369375),  Route carried "on" structure: County highway ,  Year Built: 1986,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 20 (year 2017),  Average Future Daily Traffic: 20 (year 2040),  Design Load: HS 20,  Features Intersected: TRIB TO SILVER CREEK,  Facility Carried by Structure: UP-BOULDER RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.770,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.7m (22.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.5m (24.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Fair,  Operating Rating: 39.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 28.4 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: 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: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: 222731,  Location: 086051601 (Lat: 42.267575,  Lng: -91.439375),  Route carried "on" structure: County highway ,  Year Built: 1992,  Status: Open,  Structure Length: 1.16m (3.81ft),  Average Daily Traffic: 20 (year 2017),  Average Future Daily Traffic: 20 (year 2040),  Design Load: HS 20,  Features Intersected: BOULDER CREEK,  Facility Carried by Structure: UPPR BOULDER RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.522,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 5.5m (18.0ft),  Curb-To-Curb Width: 7.2m (23.6ft),  Out-to-Out Width: 7.3m (24.0ft)

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: 46.2 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 222741,  Location: 086051602 (Lat: 42.260408,  Lng: -91.442461),  Route carried "on" structure: County highway ,  Year Built: 2002,  Status: Open,  Structure Length: 2.10m (6.89ft),  Average Daily Traffic: 10 (year 2021),  Average Future Daily Traffic: 10 (year 2040),  Design Load: HS 20,  Features Intersected: BOULDER CREEK,  Facility Carried by Structure: CALDWELL RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.829,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 3 degrees,  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 7.0m (23.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.5m (24.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 78.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 57.9 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: Superior to present desirable criteria,  Approach Roadway Alignment: Superior to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 222751,  Location: 086051804 (Lat: 42.266994,  Lng: -91.466839),  Route carried "on" structure: County highway ,  Year Built: 2000,  Status: Open,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 10 (year 2017),  Average Future Daily Traffic: 10 (year 2040),  Design Load: HS 20,  Features Intersected: TRIB TO BUFFALO CREEK,  Facility Carried by Structure: AMMETER RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.555,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.0m (23.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.5m (24.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 78.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 57.9 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: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 22276,  Location: 086051903 (Lat: 42.252003,  Lng: -91.479992),  Route carried "on" structure: County highway ,  Year Built: 1900,  Year Reconstructed: 1988,  Status: Posted for load,  Structure Length: 2.99m (9.81ft),  Average Daily Traffic: 15 (year 2017),  Average Future Daily Traffic: 15 (year 2040),  Design Load: H 10,  Features Intersected: BUFFALO CR,  Facility Carried by Structure: RED BRIDGE RD
Minimum Vertical Clearance: 3.96m (12.99ft),  Kilometerpoint: 3.663,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 5.2m (17.1ft),  Material/Design: Aluminum, Iron,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 2,  Length of Maximum Span: 20.7m (67.9ft),  Curb-To-Curb Width: 4.3m (14.1ft),  Out-to-Out Width: 4.4m (14.4ft)

Condition: Deck: Satisfactory,  Superstructure: Poor,  Substructure: Poor,  Channel: Good,  Operating Rating: 9.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 7.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of corrective action,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: High priority of replacement,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Critical Feature Inspection Date: July 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 222771,  Location: 086052003 (Lat: 42.252964,  Lng: -91.451456),  Route carried "on" structure: County highway ,  Year Built: 2003,  Status: Open,  Structure Length: 2.19m (7.19ft),  Average Daily Traffic: 20 (year 2017),  Average Future Daily Traffic: 20 (year 2040),  Design Load: HS 20,  Features Intersected: BOULDER CREEK,  Facility Carried by Structure: RED BRIDGE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.088,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.5m (24.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Very good,  Operating Rating: 78.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 57.9 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 222781,  Location: 086052004 (Lat: 42.250792,  Lng: -91.452206),  Route carried "on" structure: County highway ,  Year Built: 2003,  Status: Open,  Structure Length: 2.96m (9.71ft),  Average Daily Traffic: 20 (year 2017),  Average Future Daily Traffic: 20 (year 2040),  Design Load: HS 20,  Features Intersected: BOULDER CREEK,  Facility Carried by Structure: HILLS MILL RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.559,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 78.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 57.9 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: July 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 22279,  Location: 086052005 (Lat: 42.245689,  Lng: -91.456583),  Route carried "on" structure: County highway ,  Year Built: 1940,  Status: Posted for load,  Structure Length: 1.43m (4.69ft),  Average Daily Traffic: 40 (year 2017),  Average Future Daily Traffic: 40 (year 2041),  Features Intersected: BOULDER CREEK,  Facility Carried by Structure: BUFFALO VAL LA
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.413,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 7.0m (23.0ft),  Curb-To-Curb Width: 6.0m (19.7ft),  Out-to-Out Width: 6.1m (20.0ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Serious,  Channel: Satisfactory,  Operating Rating: 24.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 17.5 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of corrective action,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 3.00m (9.84ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: July 2021,  Bridge Improvement Cost: $40,000,  Roadway Improvement Cost: $5,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: 222811,  Location: 086052106 (Lat: 42.245189,  Lng: -91.432472),  Route carried "on" structure: County highway ,  Year Built: 2003,  Status: Open,  Structure Length: 1.46m (4.79ft),  Average Daily Traffic: 30 (year 2017),  Average Future Daily Traffic: 30 (year 2040),  Design Load: HS 20,  Features Intersected: CEDAR CREEK,  Facility Carried by Structure: WAGNER RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.068,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.5m (24.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 78.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 57.9 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: Superior to present desirable criteria,  Approach Roadway Alignment: Superior to present desirable criteria,  Length Of Structure Improvement: 3.00m (9.84ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Bridge Improvement Cost: $25,000,  Roadway Improvement Cost: $10,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 222831,  Location: 086052401 (Lat: 42.252956,  Lng: -91.374883),  Route carried "on" structure: County highway ,  Year Built: 2002,  Status: Open,  Structure Length: 0.61m (2.00ft),  Average Daily Traffic: 15 (year 2017),  Average Future Daily Traffic: 15 (year 2040),  Features Intersected: TRIB TO SILVER CREEK,  Facility Carried by Structure: SILVER CK RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.332,  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: 5.8m (19.0ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 7.6m (24.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 97.2 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: 91.7 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: Equal to present desirable criteria,  Approach Roadway Alignment: Better than 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: 222861,  Location: 086052905 (Lat: 42.238328,  Lng: -91.442131),  Route carried "on" structure: County highway ,  Year Built: 2000,  Status: Open,  Structure Length: 2.19m (7.19ft),  Average Daily Traffic: 90 (year 2021),  Average Future Daily Traffic: 90 (year 2040),  Design Load: HS 20,  Features Intersected: CEDAR CREEK,  Facility Carried by Structure: PRAIRIE MAIN RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.826,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.5m (24.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 78.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 57.9 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: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 22287,  Location: 086052912 (Lat: 42.229564,  Lng: -91.452003),  Route carried "on" structure: County highway ,  Year Built: 1940,  Status: Posted for load,  Structure Length: 5.91m (19.39ft),  Average Daily Traffic: 90 (year 2021),  Average Future Daily Traffic: 90 (year 2040),  Features Intersected: BUFFALO CREEK,  Facility Carried by Structure: HILLS MILL RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.201,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 22.9m (75.1ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.5m (21.3ft)

Condition: Deck: Poor,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 28.2 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: 21.7 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: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable 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: 30.00m (98.43ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Bridge Improvement Cost: $250,000,  Roadway Improvement Cost: $50,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 22289,  Location: 086053003 (Lat: 42.231086,  Lng: -91.462497),  Route carried "on" structure: County highway ,  Year Built: 1945,  Status: Open,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 50 (year 2017),  Average Future Daily Traffic: 50 (year 2041),  Design Load: HS 20,  Features Intersected: TRIB TO BUFFALO CREEK,  Facility Carried by Structure: EDGERLY RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.473,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.0m (23.0ft),  Curb-To-Curb Width: 7.0m (23.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 27.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 19.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: High priority of replacement,  Designated Inspection Frequency: Every 12 months,  Inspection Date: July 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: 36375,  Location: 086051803 (Lat: 42.267589,  Lng: -91.464708),  Route carried "on" structure: County highway ,  Year Built: 1995,  Status: Open,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 30 (year 2021),  Average Future Daily Traffic: 30 (year 2040),  Design Load: HS 20,  Features Intersected: BISON CREEK,  Facility Carried by Structure: UP.BOULDER RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.431,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.0m (23.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.5m (24.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 78.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 57.9 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: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 36405,  Location: 086051401 (Lat: 42.267603,  Lng: -91.400856),  Route carried "on" structure: County highway ,  Year Built: 1998,  Status: Open,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 10 (year 2017),  Average Future Daily Traffic: 10 (year 2040),  Design Load: HS 20,  Features Intersected: SILVER CREEK,  Facility Carried by Structure: UPPER BOULDER R
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.174,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.0m (23.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 78.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 57.9 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: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 365355,  Location: 085051202 (Lat: 42.191078,  Lng: -91.383747),  Route carried "on" structure: County highway ,  Year Built: 2008,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 40 (year 2021),  Average Future Daily Traffic: 40 (year 2040),  Design Load: HS 20,  Features Intersected: TRIB TO BUFFALO CREEK,  Facility Carried by Structure: FROZEN HILL RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.573,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.1m (20.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  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: July 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete