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

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Structure Number: 35571,  Location: 085180905 (Lat: 42.188022,  Lng: -92.952581),  Route carried "on" structure: County highway ,  Year Built: 2015,  Status: Open,  Structure Length: 1.28m (4.20ft),  Average Daily Traffic: 540 (year 2021),  Truck Traffic: 10%,  Average Future Daily Traffic: 540 (year 2041),  Design Load: HL 93,  Features Intersected: STREAM,  Facility Carried by Structure: E18 MARBLE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 23.702,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 4.3m (14.1ft)

Condition: Channel: Good,  Culverts: Very good,  Operating Rating: 47.0 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 desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: November 2021

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Structure Number: 174701,  Location: 086193605 (Lat: 42.223686,  Lng: -93.003236),  Route carried "on" structure: County highway ,  Year Built: 2010,  Status: Open,  Structure Length: 2.74m (8.99ft),  Average Daily Traffic: 710 (year 2021),  Truck Traffic: 11%,  Average Future Daily Traffic: 710 (year 2039),  Design Load: HL 93,  Features Intersected: DOUD CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.912,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 10.7m (35.1ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 66.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 40.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: April 2019,  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: 244081,  Location: 085180401 (Lat: 42.209647,  Lng: -92.961789),  Route carried "on" structure: County highway ,  Year Built: 1989,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 20 (year 2017),  Average Future Daily Traffic: 20 (year 2039),  Design Load: HS 20,  Features Intersected: CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.492,  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)

Condition: Channel: Satisfactory,  Culverts: Good,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 2.10m (6.89ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: November 2019,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000

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Structure Number: 244121,  Location: 085182201 (Lat: 42.166397,  Lng: -92.940083),  Route carried "on" structure: County highway ,  Year Built: 1980,  Status: Open,  Structure Length: 5.43m (17.81ft),  Average Daily Traffic: 45 (year 2013),  Average Future Daily Traffic: 45 (year 2041),  Design Load: H 20,  Features Intersected: LITTLE ASHER CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.086,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 14.9m (48.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.2m (33.5ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Fair,  Operating Rating: 51.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.7 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: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 17.80m (58.40ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 2442,  Location: 085190103 (Lat: 42.209178,  Lng: -93.010483),  Route carried "on" structure: County highway ,  Year Built: 1916,  Year Reconstructed: 1950,  Status: Posted for load,  Structure Length: 1.74m (5.71ft),  Average Daily Traffic: 15 (year 2013),  Average Future Daily Traffic: 15 (year 2041),  Features Intersected: DOWD CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.472,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 16.8m (55.1ft),  Curb-To-Curb Width: 5.2m (17.1ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Serious,  Channel: Fair,  Operating Rating: 18.6 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 10.8 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: High priority of corrective action,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Better than present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 10.00m (32.81ft),  Designated Inspection Frequency: Every 12 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Critical Feature Inspection Date: November 2020,  Bridge Improvement Cost: $270,000,  Roadway Improvement Cost: $27,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 24421,  Location: 085190104 (Lat: 42.206311,  Lng: -93.016242),  Route carried "on" structure: County highway ,  Year Built: 1916,  Year Reconstructed: 1950,  Status: Posted for load,  Structure Length: 1.62m (5.31ft),  Average Daily Traffic: 40 (year 2021),  Average Future Daily Traffic: 40 (year 2041),  Features Intersected: DOWD CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.972,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.8m (28.9ft),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 15.2m (49.9ft),  Curb-To-Curb Width: 5.2m (17.1ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Poor,  Channel: Fair,  Operating Rating: 18.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 10.0 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of replacement,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 30.0 - 39.9% below),  Length Of Structure Improvement: 7.50m (24.61ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Critical Feature Inspection Date: November 2021,  Bridge Improvement Cost: $180,000,  Roadway Improvement Cost: $18,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 244215,  Location: 085190303 (Lat: 42.204678,  Lng: -93.045389),  Route carried "on" structure: County highway ,  Year Built: 1983,  Year Reconstructed: 2000,  Status: Posted for load-capacity,  Structure Length: 0.98m (3.22ft),  Average Daily Traffic: 10 (year 2013),  Average Future Daily Traffic: 10 (year 2041),  Features Intersected: CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 13.121,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 5.8m (19.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.5m (27.9ft),  Curb-To-Curb Width: 4.7m (15.4ft),  Out-to-Out Width: 4.9m (16.1ft)

Condition: Deck: Poor,  Superstructure: Fair,  Substructure: Poor,  Channel: Fair,  Operating Rating: 47.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 32.9 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 5.20m (17.06ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Bridge Improvement Cost: $106,000,  Roadway Improvement Cost: $11,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: 244271,  Location: 085191103 (Lat: 42.187536,  Lng: -93.038139),  Route carried "on" structure: County highway ,  Year Built: 2011,  Status: Open,  Structure Length: 10.27m (33.69ft),  Average Daily Traffic: 330 (year 2021),  Truck Traffic: 18%,  Average Future Daily Traffic: 330 (year 2040),  Design Load: HL 93,  Features Intersected: IOWA RIVER,  Facility Carried by Structure: SR E 18
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 18.229,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 37.2m (122.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 60.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 28.2 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: Superior to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 48 months,  Inspection Date: November 2020,  Underwater Inspection Date: October 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 24432,  Location: 085192104 (Lat: 42.162078,  Lng: -93.070436),  Route carried "on" structure: County highway ,  Year Built: 1946,  Year Reconstructed: 2001,  Status: Posted for load,  Structure Length: 3.38m (11.09ft),  Average Daily Traffic: 40 (year 2013),  Average Future Daily Traffic: 40 (year 2041),  Features Intersected: MUD CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.564,  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: 3,  Length of Maximum Span: 12.5m (41.0ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.6m (21.7ft)

Condition: Deck: Poor,  Superstructure: Fair,  Substructure: Poor,  Channel: Fair,  Operating Rating: 26.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 14.5 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: Equal to present minimum criteria,  Approach Roadway Alignment: Meets minimum limits,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 0.1 - 9.9% below),  Length Of Structure Improvement: 13.90m (45.60ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Bridge Improvement Cost: $341,000,  Roadway Improvement Cost: $34,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 24433,  Location: 085192707 (Lat: 42.140453,  Lng: -93.054803),  Route carried "on" structure: County highway ,  Year Built: 1952,  Status: Open,  Structure Length: 9.91m (32.51ft),  Average Daily Traffic: 50 (year 2021),  Average Future Daily Traffic: 50 (year 2041),  Design Load: H 15,  Features Intersected: IOWA RIVER,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 8.369,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 38.1m (125.0ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.7m (22.0ft)

Condition: Deck: Poor,  Superstructure: Fair,  Substructure: Fair,  Channel: Fair,  Operating Rating: 33.6 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 11.3 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: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 35.80m (117.45ft),  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 48 months,  Inspection Date: November 2021,  Underwater Inspection Date: October 2020,  Bridge Improvement Cost: $877,000,  Roadway Improvement Cost: $88,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 365301,  Location: 086193601 (Lat: 42.215508,  Lng: -93.001722),  Route carried "on" structure: County highway ,  Year Built: 2009,  Status: Open,  Structure Length: 2.50m (8.20ft),  Average Daily Traffic: 780 (year 2021),  Truck Traffic: 18%,  Average Future Daily Traffic: 780 (year 2038),  Design Load: HS 20,  Features Intersected: DOWD CREEK,  Facility Carried by Structure: SDB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.692,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 12.2m (40.0ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.1m (20.0ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 66.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 39.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2018,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 36548,  Location: 085191003 (Lat: 42.187497,  Lng: -93.041961),  Route carried "on" structure: County highway ,  Year Built: 2009,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 330 (year 2021),  Truck Traffic: 18%,  Average Future Daily Traffic: 330 (year 2039),  Design Load: HS 20,  Features Intersected: STREAM,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 17.914,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Very good,  Culverts: Very good,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Equal to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: November 2019