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

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Structure Number: 31841,  Location: 0.1 MI. N OF SOLON (Lat: 41.812333,  Lng: -91.493878),  Route carried "on" structure: State highway 1,  Year Built: 1985,  Status: Open,  Structure Length: 2.83m (9.28ft),  Average Daily Traffic: 6,900 (year 2020),  Truck Traffic: 8%,  Average Future Daily Traffic: 6,900 (year 2041),  Design Load: HS 20+Mod,  Features Intersected: MILL CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 158.726,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  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: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Very good,  Operating Rating: 89.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 53.5 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 minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 31851,  Location: .4 mi S of jct. SR F12/14 (Lat: 41.826117,  Lng: -91.497422),  Route carried "on" structure: State highway 1,  Year Built: 2014,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 6,900 (year 2020),  Truck Traffic: 8%,  Average Future Daily Traffic: 6,900 (year 2040),  Design Load: HL 93,  Features Intersected: UNNAMED STREAM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 160.294,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Excellent,  Culverts: Very good,  Operating Rating: 52.2 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: 40.2 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Equal to present desirable criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020

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Structure Number: 3191,  Location: 081062303 (Lat: 41.814319,  Lng: -91.511492),  Route carried "on" structure: City street ,  Year Built: 1958,  Status: Open,  Structure Length: 1.19m (3.90ft),  Average Daily Traffic: 3,960 (year 2018),  Average Future Daily Traffic: 3,960 (year 2041),  Design Load: HL 93,  Features Intersected: SMALL NATURAL STREAM,  Facility Carried by Structure: HWY 382
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.713,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Maintenance Responsibility: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Fair,  Culverts: Fair,  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: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021

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Structure Number: 204881,  Location: 080061204 (Lat: 41.755564,  Lng: -91.487433),  Route carried "on" structure: County highway ,  Year Built: 1972,  Status: Open,  Structure Length: 1.16m (3.81ft),  Average Daily Traffic: 150 (year 2018),  Average Future Daily Traffic: 150 (year 2041),  Design Load: HS 20,  Features Intersected: STREAM,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.701,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 10.7m (35.1ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 53.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 35.3 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 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: 20533,  Location: 081051804 (Lat: 41.820989,  Lng: -91.468758),  Route carried "on" structure: County highway ,  Year Built: 1970,  Status: Open,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 30 (year 2018),  Average Future Daily Traffic: 30 (year 2041),  Design Load: HS 20,  Features Intersected: STREAM,  Facility Carried by Structure: TAFT AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 20.761,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  Material/Design: Concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.4m (30.8ft),  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: 32.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 17.1 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 minimum criteria,  Length Of Structure Improvement: 3.50m (11.48ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Bridge Improvement Cost: $58,000,  Roadway Improvement Cost: $17,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 20534,  Location: 081051903 (Lat: 41.815781,  Lng: -91.477814),  Route carried "on" structure: County highway ,  Year Built: 1900,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 300 (year 2018),  Truck Traffic: 9%,  Average Future Daily Traffic: 300 (year 2041),  Design Load: HL 93,  Features Intersected: STREAM,  Facility Carried by Structure: SUTLIFF RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.524,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.4m (11.2ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  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: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Meets minimum limits,  Length Of Structure Improvement: 3.00m (9.84ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Bridge Improvement Cost: $50,000,  Roadway Improvement Cost: $20,000

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Structure Number: 205421,  Location: 081060304 (Lat: 41.852775,  Lng: -91.530592),  Route carried "on" structure: County highway ,  Year Built: 1986,  Status: Open,  Structure Length: 3.14m (10.30ft),  Average Daily Traffic: 60 (year 2021),  Truck Traffic: 22%,  Average Future Daily Traffic: 60 (year 2041),  Design Load: HS 20,  Features Intersected: LINGLE CREEK,  Facility Carried by Structure: POLK AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.736,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 11.9m (39.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.3m (27.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 65.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 37.4 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 minimum criteria,  Length Of Structure Improvement: 11.00m (36.09ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: April 2021,  Bridge Improvement Cost: $180,000,  Roadway Improvement Cost: $40,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 205561,  Location: 081062502 (Lat: 41.802069,  Lng: -91.501514),  Route carried "on" structure: County highway ,  Year Built: 2002,  Status: Open,  Structure Length: 1.04m (3.41ft),  Average Daily Traffic: 180 (year 2018),  Average Future Daily Traffic: 180 (year 2041),  Design Load: HL 93,  Features Intersected: STREAM,  Facility Carried by Structure: RACINE AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.650,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Satisfactory,  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: Equal to present minimum criteria,  Length Of Structure Improvement: 3.50m (11.48ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: April 2021,  Bridge Improvement Cost: $58,000,  Roadway Improvement Cost: $22,000

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Structure Number: 205571,  Location: 081062602 (Lat: 41.799372,  Lng: -91.517247),  Route carried "on" structure: County highway ,  Year Built: 1971,  Status: Open,  Structure Length: 1.10m (3.61ft),  Average Daily Traffic: 70 (year 2018),  Average Future Daily Traffic: 70 (year 2041),  Design Load: HS 20,  Features Intersected: JORDAN CREEK,  Facility Carried by Structure: JORDAN CK RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.991,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Fair,  Culverts: Satisfactory,  Operating Rating: 43.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Meets minimum limits,  Length Of Structure Improvement: 4.00m (13.12ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Bridge Improvement Cost: $66,000,  Roadway Improvement Cost: $19,000

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Structure Number: 205591,  Location: 081062806 (Lat: 41.792906,  Lng: -91.546164),  Route carried "on" structure: County highway ,  Year Built: 2000,  Status: Open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 3,450 (year 2018),  Truck Traffic: 8%,  Average Future Daily Traffic: 3,450 (year 2041),  Design Load: HS 20,  Features Intersected: STREAM,  Facility Carried by Structure: FM MAHAFFY BR R
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.157,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 13.7m (44.9ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 6.1m (20.0ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.3m (46.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 39.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 23.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: 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: April 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous