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

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Structure Number: 276591,  Location: 093450702 (Lat: 42.890011,  Lng: -96.213772),  Route carried "on" structure: County highway ,  Year Built: 2008,  Status: Open,  Structure Length: 1.40m (4.59ft),  Average Daily Traffic: 35 (year 2019),  Average Future Daily Traffic: 35 (year 2041),  Design Load: HS 20,  Features Intersected: WEST BRANCH FLOYD RIVER,  Facility Carried by Structure: KEY AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 24.800,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 13.7m (44.9ft),  Curb-To-Curb Width: 9.4m (30.8ft),  Out-to-Out Width: 9.6m (31.5ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 54.4 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 desirable criteria,  Deck Geometry: Better than present minimum criteria,  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: June 2021,  Bridge Improvement Cost: $150,000,  Roadway Improvement Cost: $10,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 276601,  Location: 093450704 (Lat: 42.881319,  Lng: -96.195389),  Route carried "on" structure: County highway ,  Year Built: 1999,  Status: Open,  Structure Length: 2.77m (9.09ft),  Average Daily Traffic: 25 (year 2019),  Truck Traffic: 12%,  Average Future Daily Traffic: 25 (year 2041),  Design Load: HS 20,  Features Intersected: WEST FORK FLOYD RIVER,  Facility Carried by Structure: LAKE AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 32.670,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.1m (33.1ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 10.4m (34.1ft),  Curb-To-Curb Width: 9.2m (30.2ft),  Out-to-Out Width: 9.6m (31.5ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 75.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 45.4 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 minimum criteria,  Length Of Structure Improvement: 9.00m (29.53ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $360,000,  Roadway Improvement Cost: $30,000,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 276611,  Location: 093450803 (Lat: 42.894817,  Lng: -96.186775),  Route carried "on" structure: County highway ,  Year Built: 1976,  Status: Open,  Structure Length: 6.10m (20.01ft),  Average Daily Traffic: 660 (year 2019),  Truck Traffic: 23%,  Average Future Daily Traffic: 660 (year 2041),  Design Load: HS 20,  Features Intersected: W BRANCH FLOYD RIVER,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 25.766,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 23.8m (78.1ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 47.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 30.5 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: 24.00m (78.74ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $840,000,  Roadway Improvement Cost: $10,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 276631,  Location: 093451502 (Lat: 42.873978,  Lng: -96.155114),  Route carried "on" structure: County highway ,  Year Built: 2006,  Status: Open,  Structure Length: 1.40m (4.59ft),  Average Daily Traffic: 15 (year 2019),  Average Future Daily Traffic: 15 (year 2041),  Design Load: HS 20,  Features Intersected: WOLF CREEK,  Facility Carried by Structure: MAHOGANY AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 28.717,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 13.4m (44.0ft),  Curb-To-Curb Width: 9.6m (31.5ft),  Out-to-Out Width: 10.2m (33.5ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 55.3 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 desirable criteria,  Deck Geometry: Better than present minimum criteria,  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: June 2021,  Bridge Improvement Cost: $175,000,  Roadway Improvement Cost: $10,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 27667,  Location: 093451803 (Lat: 42.880469,  Lng: -96.196006),  Route carried "on" structure: County highway ,  Year Built: 1941,  Status: Posted for load,  Structure Length: 4.36m (14.30ft),  Average Daily Traffic: 20 (year 2019),  Average Future Daily Traffic: 20 (year 2041),  Design Load: HS 20,  Features Intersected: W BR FLOYD RIVER,  Facility Carried by Structure: 120TH ST
Minimum Vertical Clearance: 3.05m (10.01ft),  Kilometerpoint: 26.569,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 1,  Length of Maximum Span: 33.2m (108.9ft),  Curb-To-Curb Width: 4.8m (15.7ft),  Out-to-Out Width: 4.8m (15.7ft)

Condition: Deck: Satisfactory,  Superstructure: Poor,  Substructure: Serious,  Channel: Satisfactory,  Operating Rating: 10.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 6.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of replacement,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 22.00m (72.18ft),  Designated Inspection Frequency: Every 12 months,  Critical Feature Inspection Frequency: Every 12 months,  Inspection Date: June 2021,  Critical Feature Inspection Date: June 2021,  Bridge Improvement Cost: $660,000,  Roadway Improvement Cost: $20,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: 27668,  Location: 093451901 (Lat: 42.865922,  Lng: -96.197681),  Route carried "on" structure: County highway ,  Year Built: 1900,  Year Reconstructed: 1961,  Status: Posted for load,  Structure Length: 2.80m (9.19ft),  Average Daily Traffic: 20 (year 2019),  Average Future Daily Traffic: 20 (year 2041),  Design Load: HS 20,  Features Intersected: W BR FLOYD RIVER,  Facility Carried by Structure: 130TH ST
Minimum Vertical Clearance: 3.20m (10.50ft),  Kilometerpoint: 26.955,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 28.0m (91.9ft),  Curb-To-Curb Width: 4.7m (15.4ft),  Out-to-Out Width: 4.9m (16.1ft)

Condition: Deck: Fair,  Superstructure: Poor,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 11.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 8.1 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of replacement,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Somewhat better than minimum adequacy,  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: 22.00m (72.18ft),  Designated Inspection Frequency: Every 12 months,  Critical Feature Inspection Frequency: Every 12 months,  Inspection Date: June 2021,  Critical Feature Inspection Date: June 2021,  Bridge Improvement Cost: $660,000,  Roadway Improvement Cost: $20,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 27669,  Location: 093451901 (Lat: 42.865875,  Lng: -96.200361),  Route carried "on" structure: County highway ,  Year Built: 1961,  Status: Posted for load,  Structure Length: 1.28m (4.20ft),  Average Daily Traffic: 20 (year 2019),  Average Future Daily Traffic: 20 (year 2041),  Features Intersected: DRAINAGE,  Facility Carried by Structure: 130TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 26.736,  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: 12.8m (42.0ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.2m (20.3ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 26.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 19.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Length Of Structure Improvement: 6.00m (19.69ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $210,000,  Roadway Improvement Cost: $5,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 276741,  Location: 9345210110 (Lat: 42.866008,  Lng: -96.155886),  Route carried "on" structure: County highway ,  Year Built: 2010,  Status: Open,  Structure Length: 1.92m (6.30ft),  Average Daily Traffic: 45 (year 2019),  Average Future Daily Traffic: 45 (year 2041),  Design Load: HL 93,  Features Intersected: WOLF CREEK,  Facility Carried by Structure: 130TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 30.372,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  Skew: 1 degrees,  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: 9.2m (30.2ft),  Out-to-Out Width: 9.4m (30.8ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 48.9 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: 37.9 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: 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 2021,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 27679,  Location: 093453001 (Lat: 42.851311,  Lng: -96.199047),  Route carried "on" structure: County highway ,  Year Built: 1968,  Status: Open,  Structure Length: 4.57m (14.99ft),  Average Daily Traffic: 270 (year 2019),  Truck Traffic: 13%,  Average Future Daily Traffic: 270 (year 2041),  Design Load: H 20,  Features Intersected: W BR FLOYD RIVER,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 27.890,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  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: 8.5m (27.9ft),  Out-to-Out Width: 9.2m (30.2ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 37.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 22.6 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,  Length Of Structure Improvement: 18.80m (61.68ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $752,000,  Roadway Improvement Cost: $25,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 276942,  Location: 093461101 (Lat: 42.894300,  Lng: -96.252792),  Route carried "on" structure: County highway ,  Year Built: 2006,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 450 (year 2019),  Truck Traffic: 26%,  Average Future Daily Traffic: 450 (year 2041),  Design Load: HS 20,  Features Intersected: SMALL,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 21.184,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Very good,  Culverts: Good,  Operating Rating: 68.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 41.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.00m (9.84ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Bridge Improvement Cost: $90,000,  Roadway Improvement Cost: $30,000

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Structure Number: 276971,  Location: 093461201 (Lat: 42.894669,  Lng: -96.217000),  Route carried "on" structure: County highway ,  Year Built: 1978,  Status: Open,  Structure Length: 2.65m (8.69ft),  Average Daily Traffic: 450 (year 2019),  Truck Traffic: 26%,  Average Future Daily Traffic: 450 (year 2041),  Design Load: HS 20,  Features Intersected: SMALL,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 24.106,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Number Of Approach Spans: 2,  Length of Maximum Span: 10.4m (34.1ft),  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: 48.5 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: Equal to present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Superior to present desirable criteria,  Length Of Structure Improvement: 10.00m (32.81ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Bridge Improvement Cost: $300,000,  Roadway Improvement Cost: $30,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 308891,  Location: 094453201 (Lat: 42.923897,  Lng: -96.177739),  Route carried "on" structure: County highway ,  Year Built: 1977,  Status: Open,  Structure Length: 7.77m (25.49ft),  Average Daily Traffic: 70 (year 2019),  Average Future Daily Traffic: 70 (year 2040),  Design Load: HS 20,  Features Intersected: W BRANCH FLOYD RIVER,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 28.313,  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: 3,  Length of Maximum Span: 29.9m (98.1ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  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: Equal to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 308931,  Location: 094453402 (Lat: 42.918864,  Lng: -96.155269),  Route carried "on" structure: County highway ,  Year Built: 2009,  Status: Open,  Structure Length: 2.83m (9.28ft),  Average Daily Traffic: 10 (year 2019),  Average Future Daily Traffic: 10 (year 2040),  Design Load: HL 93,  Features Intersected: SMALL,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.048,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  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: 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: January 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete