Bridge Statistics for Chelsea, Iowa (IA)
Condition, Traffic, Stress, Structural Evaluation, Project Costs
- National Bridge Inventory (NBI) Statistics
- 17Number of bridges
- 207ft / 63.0mTotal length
- 6,565Total average daily traffic
- 453Total average daily truck traffic
- 6,565Total future (year 2038) average daily traffic
- National Bridge Inventory (NBI) Registered Bridges for Chelsea
- No street view available for this location
- New bridges - historical statistics
- 11910-1919
- 11920-1929
- 21950-1959
- 41960-1969
- 41970-1979
- 31980-1989
- 11990-1999
- 12000-2009
- Reconstructed bridges - Historical Statistics
- 11960-1969
- 01970-1979
- 01980-1989
- 01990-1999
- 12000-2009
- 12010-2019
- Bridge Condition - Deck
- 15.4%Very good
- 7.7%Good
- 46.2%Fair
- 15.4%Poor
- 7.7%Serious
- 7.7%Failed
- Bridge Condition - Superstructure
- 7.7%Very good
- 15.4%Good
- 23.1%Satisfactory
- 38.5%Fair
- 7.7%Serious
- 7.7%Failed
- Bridge Condition - Substructure
- 7.7%Very good
- 15.4%Good
- 38.5%Satisfactory
- 7.7%Fair
- 23.1%Poor
- 7.7%Failed
- Bridge Condition - Channel
- 5.9%Very good
- 41.2%Good
- 35.3%Satisfactory
- 11.8%Fair
- 5.9%Poor
- Bridge Condition - Culverts
- 50.0%Satisfactory
- 50.0%Poor
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Structure Number: 1871, Location: 082131701 (Lat: 41.920300, Lng: -92.388369), Route carried "on" structure: City street , Year Built: 1994, Status: Open, Structure Length: 5.36m (17.59ft), Average Daily Traffic: 360 (year 2021), Average Future Daily Traffic: 360 (year 2038), Design Load: HS 20, Features Intersected: OTTER CREEK, Facility Carried by Structure: IRISH ST
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.518, Lanes on structure: 2, Owner: City or Municipal Highway Agency, Approaching Roadway Width: 10.1m (33.1ft), Skew: 4 degrees, 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: 7.3m (24.0ft), Out-to-Out Width: 8.3m (27.2ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Good, Channel: Good, Operating Rating: 86.3 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 51.8 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), 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, Length Of Structure Improvement: 17.60m (57.74ft), Designated Inspection Frequency: Every 48 months, Inspection Date: October 2018, 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
Structure Number: 1871, Location: 082131701 (Lat: 41.920300, Lng: -92.388369), Route carried "on" structure: City street , Year Built: 1994, Status: Open, Structure Length: 5.36m (17.59ft), Average Daily Traffic: 360 (year 2021), Average Future Daily Traffic: 360 (year 2038), Design Load: HS 20, Features Intersected: OTTER CREEK, Facility Carried by Structure: IRISH ST
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.518, Lanes on structure: 2, Owner: City or Municipal Highway Agency, Approaching Roadway Width: 10.1m (33.1ft), Skew: 4 degrees, 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: 7.3m (24.0ft), Out-to-Out Width: 8.3m (27.2ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Good, Channel: Good, Operating Rating: 86.3 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 51.8 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), 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, Length Of Structure Improvement: 17.60m (57.74ft), Designated Inspection Frequency: Every 48 months, Inspection Date: October 2018, 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: 1881, Location: 082130804 (Lat: 41.921475, Lng: -92.394606), Route carried "on" structure: City street , Year Built: 2007, Status: Open, Structure Length: 5.18m (16.99ft), Average Daily Traffic: 760 (year 2021), Average Future Daily Traffic: 760 (year 2038), Design Load: HS 20, Features Intersected: OTTER CREEK, Facility Carried by Structure: STATION STREET
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.940, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 16.2m (53.1ft), Skew: 3 degrees, Material/Design: Concrete continuous, Design/Construction: Slab, Number Of Spans In Main Unit: 15, Length of Maximum Span: 14.6m (47.9ft), Curb or Sidewalk Widths: Left: 0.0m, Right: 1.5m (4.9ft), Curb-To-Curb Width: 9.1m (29.9ft), Out-to-Out Width: 11.9m (39.0ft)
Condition: Deck: Very good, Superstructure: Good, Substructure: Very good, Channel: Very good, Operating Rating: 82.4 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 49.3 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: Better than present minimum criteria, Length Of Structure Improvement: 16.90m (55.45ft), Designated Inspection Frequency: Every 48 months, Inspection Date: October 2018, 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
Structure Number: 1881, Location: 082130804 (Lat: 41.921475, Lng: -92.394606), Route carried "on" structure: City street , Year Built: 2007, Status: Open, Structure Length: 5.18m (16.99ft), Average Daily Traffic: 760 (year 2021), Average Future Daily Traffic: 760 (year 2038), Design Load: HS 20, Features Intersected: OTTER CREEK, Facility Carried by Structure: STATION STREET
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.940, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 16.2m (53.1ft), Skew: 3 degrees, Material/Design: Concrete continuous, Design/Construction: Slab, Number Of Spans In Main Unit: 15, Length of Maximum Span: 14.6m (47.9ft), Curb or Sidewalk Widths: Left: 0.0m, Right: 1.5m (4.9ft), Curb-To-Curb Width: 9.1m (29.9ft), Out-to-Out Width: 11.9m (39.0ft)
Condition: Deck: Very good, Superstructure: Good, Substructure: Very good, Channel: Very good, Operating Rating: 82.4 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 49.3 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: Better than present minimum criteria, Length Of Structure Improvement: 16.90m (55.45ft), Designated Inspection Frequency: Every 48 months, Inspection Date: October 2018, 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: 1895, Location: 082130803 (Lat: 41.925825, Lng: -92.393056), Route carried "on" structure: City street , Year Built: 1970, Status: Open, Structure Length: 0.76m (2.49ft), Average Daily Traffic: 550 (year 2017), Average Future Daily Traffic: 550 (year 2040), Design Load: H 20, Features Intersected: DRAINAGE, Facility Carried by Structure: BANK ST
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.126, 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: 2, Length of Maximum Span: 3.7m (12.1ft)
Condition: Channel: Good, Culverts: Satisfactory, Operating Rating: 41.7 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 25.0 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Equal to present minimum criteria, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Equal to present minimum criteria, Length Of Structure Improvement: 2.50m (8.20ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 2020, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000
Structure Number: 1895, Location: 082130803 (Lat: 41.925825, Lng: -92.393056), Route carried "on" structure: City street , Year Built: 1970, Status: Open, Structure Length: 0.76m (2.49ft), Average Daily Traffic: 550 (year 2017), Average Future Daily Traffic: 550 (year 2040), Design Load: H 20, Features Intersected: DRAINAGE, Facility Carried by Structure: BANK ST
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.126, 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: 2, Length of Maximum Span: 3.7m (12.1ft)
Condition: Channel: Good, Culverts: Satisfactory, Operating Rating: 41.7 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 25.0 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Equal to present minimum criteria, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Equal to present minimum criteria, Length Of Structure Improvement: 2.50m (8.20ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 2020, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000
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Structure Number: 49731, Location: 083143603 (Lat: 41.958589, Lng: -92.428100), Route carried "on" structure: County highway , Year Built: 1976, Status: Open, Structure Length: 0.98m (3.22ft), Average Daily Traffic: 1,050 (year 2021), Average Future Daily Traffic: 1,050 (year 2038), Design Load: HS 20, Features Intersected: DRAINAGE DITCH, Facility Carried by Structure: E66
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 2.332, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 8.5m (27.9ft), 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: Satisfactory, 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 minimum criteria, Waterway Adequacy: Equal to present minimum criteria, Approach Roadway Alignment: Somewhat better than minimum adequacy, Length Of Structure Improvement: 3.20m (10.50ft), Designated Inspection Frequency: Every 48 months, Inspection Date: October 2018, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000
Structure Number: 49731, Location: 083143603 (Lat: 41.958589, Lng: -92.428100), Route carried "on" structure: County highway , Year Built: 1976, Status: Open, Structure Length: 0.98m (3.22ft), Average Daily Traffic: 1,050 (year 2021), Average Future Daily Traffic: 1,050 (year 2038), Design Load: HS 20, Features Intersected: DRAINAGE DITCH, Facility Carried by Structure: E66
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 2.332, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 8.5m (27.9ft), 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: Satisfactory, 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 minimum criteria, Waterway Adequacy: Equal to present minimum criteria, Approach Roadway Alignment: Somewhat better than minimum adequacy, Length Of Structure Improvement: 3.20m (10.50ft), Designated Inspection Frequency: Every 48 months, Inspection Date: October 2018, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000
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Structure Number: 49741, Location: 082131603 (Lat: 41.919642, Lng: -92.361136), Route carried "on" structure: County highway , Year Built: 1976, Status: Open, Structure Length: 2.53m (8.30ft), Average Daily Traffic: 650 (year 2021), Truck Traffic: 15%, Average Future Daily Traffic: 650 (year 2040), Design Load: HS 20, Features Intersected: PLAGUE MINE CREEK, Facility Carried by Structure: E66
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 8.858, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 8.5m (27.9ft), Material/Design: Concrete continuous, Design/Construction: Slab, Number Of Spans In Main Unit: 3, Length of Maximum Span: 9.4m (30.8ft), Curb or Sidewalk Widths: Left: 0.3m (1.0ft), Right: 0.3m (1.0ft), Curb-To-Curb Width: 11.2m (36.7ft), Out-to-Out Width: 11.9m (39.0ft)
Condition: Deck: Fair, Superstructure: Fair, Substructure: Good, Channel: Good, Operating Rating: 63.9 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 38.3 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Somewhat better than minimum adequacy, Deck Geometry: Better than present minimum criteria, Waterway Adequacy: Somewhat better than minimum adequacy, Approach Roadway Alignment: Better than present minimum criteria, Length Of Structure Improvement: 8.30m (27.23ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 2020, 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, Deck Protection: Epoxy Coated Reinforcing
Structure Number: 49741, Location: 082131603 (Lat: 41.919642, Lng: -92.361136), Route carried "on" structure: County highway , Year Built: 1976, Status: Open, Structure Length: 2.53m (8.30ft), Average Daily Traffic: 650 (year 2021), Truck Traffic: 15%, Average Future Daily Traffic: 650 (year 2040), Design Load: HS 20, Features Intersected: PLAGUE MINE CREEK, Facility Carried by Structure: E66
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 8.858, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 8.5m (27.9ft), Material/Design: Concrete continuous, Design/Construction: Slab, Number Of Spans In Main Unit: 3, Length of Maximum Span: 9.4m (30.8ft), Curb or Sidewalk Widths: Left: 0.3m (1.0ft), Right: 0.3m (1.0ft), Curb-To-Curb Width: 11.2m (36.7ft), Out-to-Out Width: 11.9m (39.0ft)
Condition: Deck: Fair, Superstructure: Fair, Substructure: Good, Channel: Good, Operating Rating: 63.9 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 38.3 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Somewhat better than minimum adequacy, Deck Geometry: Better than present minimum criteria, Waterway Adequacy: Somewhat better than minimum adequacy, Approach Roadway Alignment: Better than present minimum criteria, Length Of Structure Improvement: 8.30m (27.23ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 2020, 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, Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 31652, Location: 082130504 (Lat: 41.947861, Lng: -92.385311), Route carried "on" structure: County highway , Year Built: 1970, Status: Open, Structure Length: 0.79m (2.59ft), Average Daily Traffic: 490 (year 2021), Truck Traffic: 14%, Average Future Daily Traffic: 490 (year 2040), Design Load: H 20, Features Intersected: PLAQUE MINE CREEK, Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 10.921, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 10.7m (35.1ft), Skew: 3 degrees, Material/Design: Concrete continuous, Design/Construction: Culvert, Number Of Spans In Main Unit: 2, Length of Maximum Span: 3.7m (12.1ft)
Condition: Channel: Satisfactory, Culverts: Poor, Operating Rating: 32.7 metric tons, Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment, Inventory Rating: 24.5 metric tons, Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment, Structural Evaluation: Meets minimum limits, Waterway Adequacy: Equal to present minimum criteria, Approach Roadway Alignment: Better than present minimum criteria, Length Of Structure Improvement: 2.60m (8.53ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 2020, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000
Structure Number: 31652, Location: 082130504 (Lat: 41.947861, Lng: -92.385311), Route carried "on" structure: County highway , Year Built: 1970, Status: Open, Structure Length: 0.79m (2.59ft), Average Daily Traffic: 490 (year 2021), Truck Traffic: 14%, Average Future Daily Traffic: 490 (year 2040), Design Load: H 20, Features Intersected: PLAQUE MINE CREEK, Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 10.921, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 10.7m (35.1ft), Skew: 3 degrees, Material/Design: Concrete continuous, Design/Construction: Culvert, Number Of Spans In Main Unit: 2, Length of Maximum Span: 3.7m (12.1ft)
Condition: Channel: Satisfactory, Culverts: Poor, Operating Rating: 32.7 metric tons, Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment, Inventory Rating: 24.5 metric tons, Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment, Structural Evaluation: Meets minimum limits, Waterway Adequacy: Equal to present minimum criteria, Approach Roadway Alignment: Better than present minimum criteria, Length Of Structure Improvement: 2.60m (8.53ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 2020, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000
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Structure Number: 316541, Location: 082130906 (Lat: 41.926625, Lng: -92.365636), Route carried "on" structure: County highway , Year Built: 1985, Status: Open, Structure Length: 2.44m (8.01ft), Average Daily Traffic: 40 (year 2017), Average Future Daily Traffic: 40 (year 2040), Features Intersected: PLAQUE MINE CREEK, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.782, 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: 2, Length of Maximum Span: 12.2m (40.0ft), Curb-To-Curb Width: 7.3m (24.0ft), Out-to-Out Width: 7.3m (24.0ft)
Condition: Deck: Fair, Superstructure: Satisfactory, Substructure: Fair, Channel: Good, Operating Rating: 44.0 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 29.5 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: Better than present minimum criteria, Approach Roadway Alignment: Better than present minimum criteria, Length Of Structure Improvement: 8.00m (26.25ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 2020, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000, Deck Structure Type: Wood or Timber, Wearing Surface/Protective System: Wearing Surface: Bituminous
Structure Number: 316541, Location: 082130906 (Lat: 41.926625, Lng: -92.365636), Route carried "on" structure: County highway , Year Built: 1985, Status: Open, Structure Length: 2.44m (8.01ft), Average Daily Traffic: 40 (year 2017), Average Future Daily Traffic: 40 (year 2040), Features Intersected: PLAQUE MINE CREEK, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.782, 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: 2, Length of Maximum Span: 12.2m (40.0ft), Curb-To-Curb Width: 7.3m (24.0ft), Out-to-Out Width: 7.3m (24.0ft)
Condition: Deck: Fair, Superstructure: Satisfactory, Substructure: Fair, Channel: Good, Operating Rating: 44.0 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 29.5 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: Better than present minimum criteria, Approach Roadway Alignment: Better than present minimum criteria, Length Of Structure Improvement: 8.00m (26.25ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 2020, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000, Deck Structure Type: Wood or Timber, Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 31658, Location: 082131704 (Lat: 41.909056, Lng: -92.394650), Route carried "on" structure: County highway , Year Built: 1967, Status: Open, Structure Length: 6.92m (22.70ft), Average Daily Traffic: 800 (year 2021), Truck Traffic: 12%, Average Future Daily Traffic: 800 (year 2040), Design Load: H 20, Features Intersected: IOWA RIVER OVERFLOW, Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 7.884, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 12.2m (40.0ft), Material/Design: Steel continuous, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 3, Length of Maximum Span: 26.8m (87.9ft), Curb-To-Curb Width: 8.5m (27.9ft), Out-to-Out Width: 9.1m (29.9ft)
Condition: Deck: Serious, Superstructure: Fair, Substructure: Satisfactory, Channel: Good, Operating Rating: 39.4 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 27.3 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: Equal to present minimum criteria, Approach Roadway Alignment: Better than present minimum criteria, Length Of Structure Improvement: 22.70m (74.48ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 2020, 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
Structure Number: 31658, Location: 082131704 (Lat: 41.909056, Lng: -92.394650), Route carried "on" structure: County highway , Year Built: 1967, Status: Open, Structure Length: 6.92m (22.70ft), Average Daily Traffic: 800 (year 2021), Truck Traffic: 12%, Average Future Daily Traffic: 800 (year 2040), Design Load: H 20, Features Intersected: IOWA RIVER OVERFLOW, Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 7.884, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 12.2m (40.0ft), Material/Design: Steel continuous, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 3, Length of Maximum Span: 26.8m (87.9ft), Curb-To-Curb Width: 8.5m (27.9ft), Out-to-Out Width: 9.1m (29.9ft)
Condition: Deck: Serious, Superstructure: Fair, Substructure: Satisfactory, Channel: Good, Operating Rating: 39.4 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 27.3 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: Equal to present minimum criteria, Approach Roadway Alignment: Better than present minimum criteria, Length Of Structure Improvement: 22.70m (74.48ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 2020, 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: 3166, Location: 082132002 (Lat: 41.901094, Lng: -92.394214), Route carried "on" structure: County highway , Year Built: 1968, Status: Posted for load-capacity, Structure Length: 0.98m (3.22ft), Average Daily Traffic: 800 (year 2021), Truck Traffic: 12%, Average Future Daily Traffic: 800 (year 2040), Design Load: H 20, Features Intersected: IOWA RIVER OVERFLOW, Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 6.999, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 12.8m (42.0ft), Material/Design: Concrete, Design/Construction: Slab, Number Of Spans In Main Unit: 1, Length of Maximum Span: 9.1m (29.9ft), Curb-To-Curb Width: 8.5m (27.9ft), Out-to-Out Width: 9.1m (29.9ft)
Condition: Deck: Fair, Superstructure: Fair, Substructure: Poor, Channel: Satisfactory, Operating Rating: 24.7 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 13.8 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: Equal to present minimum criteria, Approach Roadway Alignment: Better than present minimum criteria, Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 0.1 - 9.9% below), Length Of Structure Improvement: 3.20m (10.50ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 2020, 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
Structure Number: 3166, Location: 082132002 (Lat: 41.901094, Lng: -92.394214), Route carried "on" structure: County highway , Year Built: 1968, Status: Posted for load-capacity, Structure Length: 0.98m (3.22ft), Average Daily Traffic: 800 (year 2021), Truck Traffic: 12%, Average Future Daily Traffic: 800 (year 2040), Design Load: H 20, Features Intersected: IOWA RIVER OVERFLOW, Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 6.999, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 12.8m (42.0ft), Material/Design: Concrete, Design/Construction: Slab, Number Of Spans In Main Unit: 1, Length of Maximum Span: 9.1m (29.9ft), Curb-To-Curb Width: 8.5m (27.9ft), Out-to-Out Width: 9.1m (29.9ft)
Condition: Deck: Fair, Superstructure: Fair, Substructure: Poor, Channel: Satisfactory, Operating Rating: 24.7 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 13.8 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: Equal to present minimum criteria, Approach Roadway Alignment: Better than present minimum criteria, Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 0.1 - 9.9% below), Length Of Structure Improvement: 3.20m (10.50ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 2020, 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: 31661, Location: 082132002 (Lat: 41.905383, Lng: -92.394447), Route carried "on" structure: County highway , Year Built: 1968, Status: Open, Structure Length: 15.39m (50.49ft), Average Daily Traffic: 800 (year 2021), Truck Traffic: 12%, Average Future Daily Traffic: 800 (year 2040), Design Load: H 20, Features Intersected: IOWA RIVER, Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 7.475, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 12.8m (42.0ft), Material/Design: Steel continuous, Design/Construction: Girder and Floorbeam System, Number Of Spans In Main Unit: 5, Length of Maximum Span: 33.5m (109.9ft), Curb-To-Curb Width: 8.5m (27.9ft), Out-to-Out Width: 9.1m (29.9ft)
Condition: Deck: Poor, Superstructure: Fair, Substructure: Satisfactory, Channel: Satisfactory, Operating Rating: 47.4 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 31.6 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, Length Of Structure Improvement: 50.50m (165.68ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 2020, 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
Structure Number: 31661, Location: 082132002 (Lat: 41.905383, Lng: -92.394447), Route carried "on" structure: County highway , Year Built: 1968, Status: Open, Structure Length: 15.39m (50.49ft), Average Daily Traffic: 800 (year 2021), Truck Traffic: 12%, Average Future Daily Traffic: 800 (year 2040), Design Load: H 20, Features Intersected: IOWA RIVER, Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 7.475, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 12.8m (42.0ft), Material/Design: Steel continuous, Design/Construction: Girder and Floorbeam System, Number Of Spans In Main Unit: 5, Length of Maximum Span: 33.5m (109.9ft), Curb-To-Curb Width: 8.5m (27.9ft), Out-to-Out Width: 9.1m (29.9ft)
Condition: Deck: Poor, Superstructure: Fair, Substructure: Satisfactory, Channel: Satisfactory, Operating Rating: 47.4 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 31.6 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, Length Of Structure Improvement: 50.50m (165.68ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 2020, 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: 31667, Location: 082132703 (Lat: 41.882389, Lng: -92.354492), Route carried "on" structure: County highway , Year Built: 1950, Year Reconstructed: 2012, Status: Open, Structure Length: 0.70m (2.30ft), Average Daily Traffic: 10 (year 2021), Average Future Daily Traffic: 10 (year 2040), Features Intersected: CREEK, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 19.930, 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: 6.4m (21.0ft), Curb-To-Curb Width: 6.0m (19.7ft), Out-to-Out Width: 6.5m (21.3ft)
Condition: Deck: Fair, Superstructure: Fair, Substructure: Satisfactory, Channel: Good, Operating Rating: 37.4 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 24.7 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: Somewhat better than minimum adequacy, Deck Geometry: Meets minimum limits, Waterway Adequacy: Somewhat better than minimum adequacy, Approach Roadway Alignment: Somewhat better than minimum adequacy, Length Of Structure Improvement: 7.50m (24.61ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 2020, Bridge Improvement Cost: $171,000, Roadway Improvement Cost: $17,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Gravel
Structure Number: 31667, Location: 082132703 (Lat: 41.882389, Lng: -92.354492), Route carried "on" structure: County highway , Year Built: 1950, Year Reconstructed: 2012, Status: Open, Structure Length: 0.70m (2.30ft), Average Daily Traffic: 10 (year 2021), Average Future Daily Traffic: 10 (year 2040), Features Intersected: CREEK, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 19.930, 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: 6.4m (21.0ft), Curb-To-Curb Width: 6.0m (19.7ft), Out-to-Out Width: 6.5m (21.3ft)
Condition: Deck: Fair, Superstructure: Fair, Substructure: Satisfactory, Channel: Good, Operating Rating: 37.4 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 24.7 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: Somewhat better than minimum adequacy, Deck Geometry: Meets minimum limits, Waterway Adequacy: Somewhat better than minimum adequacy, Approach Roadway Alignment: Somewhat better than minimum adequacy, Length Of Structure Improvement: 7.50m (24.61ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 2020, Bridge Improvement Cost: $171,000, Roadway Improvement Cost: $17,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 31674, Location: 082141303 (Lat: 41.920161, Lng: -92.433961), Route carried "on" structure: County highway , Year Built: 1914, Year Reconstructed: 1972, Status: Closed, Structure Length: 7.62m (25.00ft), Average Daily Traffic: 40 (year 2021), Average Future Daily Traffic: 40 (year 2038), Features Intersected: IOWA RIVER, Facility Carried by Structure: FM
Minimum Vertical Clearance: 4.65m (15.26ft), Kilometerpoint: 13.742, Lanes on structure: 1, Owner: County Highway Agency, Approaching Roadway Width: 7.0m (23.0ft), Material/Design: Steel, Design/Construction: Truss - Thru, Number Of Spans In Main Unit: 1, Number Of Approach Spans: 2, Length of Maximum Span: 51.2m (168.0ft), Curb-To-Curb Width: 4.5m (14.8ft), Out-to-Out Width: 4.7m (15.4ft)
Condition: Deck: Failed, Superstructure: Failed, Substructure: Failed, Channel: Fair, Deck Geometry: Equal to present minimum criteria, Waterway Adequacy: Meets minimum limits, Approach Roadway Alignment: Meets minimum limits, Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below), Length Of Structure Improvement: 28.40m (93.18ft), Designated Inspection Frequency: Every 24 months, Inspection Date: October 2018, Bridge Improvement Cost: $809,000, Roadway Improvement Cost: $81,000, Deck Structure Type: Wood or Timber, Wearing Surface/Protective System: Wearing Surface: Wood or Timber
Structure Number: 31674, Location: 082141303 (Lat: 41.920161, Lng: -92.433961), Route carried "on" structure: County highway , Year Built: 1914, Year Reconstructed: 1972, Status: Closed, Structure Length: 7.62m (25.00ft), Average Daily Traffic: 40 (year 2021), Average Future Daily Traffic: 40 (year 2038), Features Intersected: IOWA RIVER, Facility Carried by Structure: FM
Minimum Vertical Clearance: 4.65m (15.26ft), Kilometerpoint: 13.742, Lanes on structure: 1, Owner: County Highway Agency, Approaching Roadway Width: 7.0m (23.0ft), Material/Design: Steel, Design/Construction: Truss - Thru, Number Of Spans In Main Unit: 1, Number Of Approach Spans: 2, Length of Maximum Span: 51.2m (168.0ft), Curb-To-Curb Width: 4.5m (14.8ft), Out-to-Out Width: 4.7m (15.4ft)
Condition: Deck: Failed, Superstructure: Failed, Substructure: Failed, Channel: Fair, Deck Geometry: Equal to present minimum criteria, Waterway Adequacy: Meets minimum limits, Approach Roadway Alignment: Meets minimum limits, Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below), Length Of Structure Improvement: 28.40m (93.18ft), Designated Inspection Frequency: Every 24 months, Inspection Date: October 2018, Bridge Improvement Cost: $809,000, Roadway Improvement Cost: $81,000, Deck Structure Type: Wood or Timber, Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 31675, Location: 082141407 (Lat: 41.907119, Lng: -92.449256), Route carried "on" structure: County highway , Year Built: 1920, Year Reconstructed: 2018, Status: Open, Structure Length: 2.19m (7.19ft), Average Daily Traffic: 35 (year 2017), Average Future Daily Traffic: 35 (year 2040), Design Load: H 15, Features Intersected: RICHLAND CREEK, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 23.297, Lanes on structure: 1, 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: 21.3m (69.9ft), Curb-To-Curb Width: 5.8m (19.0ft), Out-to-Out Width: 5.9m (19.4ft)
Condition: Deck: Very good, Superstructure: Very good, Substructure: Satisfactory, Channel: Satisfactory, Operating Rating: 23.4 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 19.5 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: Somewhat better than minimum adequacy, Deck Geometry: Meets minimum limits, Waterway Adequacy: Equal to present minimum criteria, Approach Roadway Alignment: Equal to present minimum criteria, Length Of Structure Improvement: 10.00m (32.81ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 2020, Bridge Improvement Cost: $228,000, Roadway Improvement Cost: $23,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Structure Number: 31675, Location: 082141407 (Lat: 41.907119, Lng: -92.449256), Route carried "on" structure: County highway , Year Built: 1920, Year Reconstructed: 2018, Status: Open, Structure Length: 2.19m (7.19ft), Average Daily Traffic: 35 (year 2017), Average Future Daily Traffic: 35 (year 2040), Design Load: H 15, Features Intersected: RICHLAND CREEK, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 23.297, Lanes on structure: 1, 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: 21.3m (69.9ft), Curb-To-Curb Width: 5.8m (19.0ft), Out-to-Out Width: 5.9m (19.4ft)
Condition: Deck: Very good, Superstructure: Very good, Substructure: Satisfactory, Channel: Satisfactory, Operating Rating: 23.4 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 19.5 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: Somewhat better than minimum adequacy, Deck Geometry: Meets minimum limits, Waterway Adequacy: Equal to present minimum criteria, Approach Roadway Alignment: Equal to present minimum criteria, Length Of Structure Improvement: 10.00m (32.81ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 2020, Bridge Improvement Cost: $228,000, Roadway Improvement Cost: $23,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 31676, Location: 082141408 (Lat: 41.913064, Lng: -92.435617), Route carried "on" structure: County highway , Year Built: 1956, Status: Posted for load, Structure Length: 4.66m (15.29ft), Average Daily Traffic: 80 (year 2017), Average Future Daily Traffic: 80 (year 2040), Design Load: H 15, Features Intersected: RICHLAND CREEK, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.766, 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: 17.7m (58.1ft), Curb-To-Curb Width: 6.1m (20.0ft), Out-to-Out Width: 6.7m (22.0ft)
Condition: Deck: Fair, Superstructure: Satisfactory, Substructure: Satisfactory, Channel: Good, Operating Rating: 28.8 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 17.2 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Somewhat better than minimum adequacy, Deck Geometry: Somewhat better than minimum adequacy, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Better than present minimum criteria, Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below), Length Of Structure Improvement: 15.30m (50.20ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 2020, 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
Structure Number: 31676, Location: 082141408 (Lat: 41.913064, Lng: -92.435617), Route carried "on" structure: County highway , Year Built: 1956, Status: Posted for load, Structure Length: 4.66m (15.29ft), Average Daily Traffic: 80 (year 2017), Average Future Daily Traffic: 80 (year 2040), Design Load: H 15, Features Intersected: RICHLAND CREEK, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.766, 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: 17.7m (58.1ft), Curb-To-Curb Width: 6.1m (20.0ft), Out-to-Out Width: 6.7m (22.0ft)
Condition: Deck: Fair, Superstructure: Satisfactory, Substructure: Satisfactory, Channel: Good, Operating Rating: 28.8 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 17.2 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Somewhat better than minimum adequacy, Deck Geometry: Somewhat better than minimum adequacy, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Better than present minimum criteria, Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below), Length Of Structure Improvement: 15.30m (50.20ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 2020, 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: 31684, Location: 082142302 (Lat: 41.905144, Lng: -92.454636), Route carried "on" structure: County highway , Year Built: 1960, Status: Posted for load, Structure Length: 3.93m (12.89ft), Average Daily Traffic: 45 (year 2017), Average Future Daily Traffic: 45 (year 2040), Design Load: H 15, Features Intersected: RICHLAND CREEK, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 4.469, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 9.8m (32.2ft), Material/Design: Prestressed concrete, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 3, Length of Maximum Span: 13.1m (43.0ft), Curb-To-Curb Width: 6.1m (20.0ft), Out-to-Out Width: 6.8m (22.3ft)
Condition: Deck: Fair, Superstructure: Satisfactory, Substructure: Poor, Channel: Satisfactory, Operating Rating: 24.9 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 8.0 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: High priority of replacement, Deck Geometry: Somewhat better than minimum adequacy, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Better than present minimum criteria, Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 0.1 - 9.9% below), Length Of Structure Improvement: 16.30m (53.48ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 2020, Bridge Improvement Cost: $464,000, Roadway Improvement Cost: $46,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Structure Number: 31684, Location: 082142302 (Lat: 41.905144, Lng: -92.454636), Route carried "on" structure: County highway , Year Built: 1960, Status: Posted for load, Structure Length: 3.93m (12.89ft), Average Daily Traffic: 45 (year 2017), Average Future Daily Traffic: 45 (year 2040), Design Load: H 15, Features Intersected: RICHLAND CREEK, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 4.469, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 9.8m (32.2ft), Material/Design: Prestressed concrete, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 3, Length of Maximum Span: 13.1m (43.0ft), Curb-To-Curb Width: 6.1m (20.0ft), Out-to-Out Width: 6.8m (22.3ft)
Condition: Deck: Fair, Superstructure: Satisfactory, Substructure: Poor, Channel: Satisfactory, Operating Rating: 24.9 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 8.0 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: High priority of replacement, Deck Geometry: Somewhat better than minimum adequacy, Waterway Adequacy: Better than present minimum criteria, Approach Roadway Alignment: Better than present minimum criteria, Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 0.1 - 9.9% below), Length Of Structure Improvement: 16.30m (53.48ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 2020, Bridge Improvement Cost: $464,000, Roadway Improvement Cost: $46,000, Deck Structure Type: Concrete Cast-file-Place, Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 317691, Location: 083133406 (Lat: 41.953422, Lng: -92.341464), Route carried "on" structure: County highway , Year Built: 1987, Status: Open, Structure Length: 0.91m (2.99ft), Average Daily Traffic: 25 (year 2017), Average Future Daily Traffic: 25 (year 2040), Design Load: H 20, Features Intersected: BRANCH OF SALT CREEK, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 2.522, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.0m (23.0ft), Skew: 2 degrees, Material/Design: Steel, Design/Construction: Culvert, Number Of Spans In Main Unit: 3, Length of Maximum Span: 2.4m (7.9ft)
Condition: Channel: Poor, Culverts: Poor, Operating Rating: 32.7 metric tons, Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment, Inventory Rating: 24.5 metric tons, Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment, Structural Evaluation: Meets minimum limits, Waterway Adequacy: Somewhat better than minimum adequacy, Approach Roadway Alignment: Equal to present minimum criteria, Length Of Structure Improvement: 3.00m (9.84ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 2020, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000
Structure Number: 317691, Location: 083133406 (Lat: 41.953422, Lng: -92.341464), Route carried "on" structure: County highway , Year Built: 1987, Status: Open, Structure Length: 0.91m (2.99ft), Average Daily Traffic: 25 (year 2017), Average Future Daily Traffic: 25 (year 2040), Design Load: H 20, Features Intersected: BRANCH OF SALT CREEK, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 2.522, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 7.0m (23.0ft), Skew: 2 degrees, Material/Design: Steel, Design/Construction: Culvert, Number Of Spans In Main Unit: 3, Length of Maximum Span: 2.4m (7.9ft)
Condition: Channel: Poor, Culverts: Poor, Operating Rating: 32.7 metric tons, Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment, Inventory Rating: 24.5 metric tons, Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment, Structural Evaluation: Meets minimum limits, Waterway Adequacy: Somewhat better than minimum adequacy, Approach Roadway Alignment: Equal to present minimum criteria, Length Of Structure Improvement: 3.00m (9.84ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 2020, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000
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Structure Number: 362785, Location: 082132104 (Lat: 41.904731, Lng: -92.356383), Route carried "on" structure: County highway , Year Built: 1986, Status: Posted for load, Structure Length: 1.62m (5.31ft), Average Daily Traffic: 30 (year 2017), Average Future Daily Traffic: 30 (year 2040), Features Intersected: SMALL STREAM, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 2.111, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 6.1m (20.0ft), Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 13.1m (43.0ft), Curb-To-Curb Width: 5.7m (18.7ft), Out-to-Out Width: 5.7m (18.7ft)
Condition: Deck: Poor, Superstructure: Serious, Substructure: Poor, Channel: Fair, Operating Rating: 12.5 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 8.9 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: High priority of replacement, Deck Geometry: Meets minimum limits, Waterway Adequacy: Equal to present minimum 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: 5.30m (17.39ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 2020, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000, Deck Structure Type: Open Grating, Wearing Surface/Protective System: Wearing Surface: Wood or Timber
Structure Number: 362785, Location: 082132104 (Lat: 41.904731, Lng: -92.356383), Route carried "on" structure: County highway , Year Built: 1986, Status: Posted for load, Structure Length: 1.62m (5.31ft), Average Daily Traffic: 30 (year 2017), Average Future Daily Traffic: 30 (year 2040), Features Intersected: SMALL STREAM, Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 2.111, Lanes on structure: 2, Owner: County Highway Agency, Approaching Roadway Width: 6.1m (20.0ft), Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 13.1m (43.0ft), Curb-To-Curb Width: 5.7m (18.7ft), Out-to-Out Width: 5.7m (18.7ft)
Condition: Deck: Poor, Superstructure: Serious, Substructure: Poor, Channel: Fair, Operating Rating: 12.5 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 8.9 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: High priority of replacement, Deck Geometry: Meets minimum limits, Waterway Adequacy: Equal to present minimum 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: 5.30m (17.39ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 2020, Bridge Improvement Cost: $15,000, Roadway Improvement Cost: $2,000, Deck Structure Type: Open Grating, Wearing Surface/Protective System: Wearing Surface: Wood or Timber