LOC CANAL ST over WILLOW RIVER (Route: 0)
Num:177720x
Posted for load [P]
Built: 1916, Reconstructed: 1967
Historic: Bridge is possibly eligible for the NRHP. [3]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Deck: Wood or Timber [8] with Wearing Surface: Wood or Timber [7]

Bridge Dimensions
Length: 33.5 m = 109.9 ft
Main Spans: 1 at 24.4 m = 80.1 ft
Approach Spans: 1
Skew: 0
Width, Roadway: 5.4 m = 17.7 ft (2 Lanes) and Out-To-Out: 5.4 m = 17.7 ft for a 8.2 m = 26.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Harrison County [085], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
78442103

Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Serious [3]
Loading
Design: MS 18 / HS 20 [5]
Operating: 17.5 metric ton = 19.3 tons (Allowable Stress(AS) [2])
Inventory: 12.1 metric ton = 13.3 tons (Allowable Stress(AS) [2])

Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: N/A [N]
Road Alignment: Meets minimum tolerable limits to be left in place as is [4]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: January 2020 [0120] and Frequency: 24

Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 100 (2016) and Trucks: 0%
Future ADT: 100 (In 2040 )

US 30 over UPRR (Route: 30)
Num:608110x
Open: no restriction [A]
Built: 1998, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 Kilometers)

Bridge Type
Main Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]

Bridge Dimensions
Length: 74.1 m = 243.1 ft
Main Spans: 3 at 28.7 m = 94.2 ft
Approach Spans: 0
Skew: 37
Width, Roadway: 13.4 m = 44.0 ft (2 Lanes) and Out-To-Out: 14.3 m = 46.9 ft for a 13.4 m = 44.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [05130]: Harrison County [085], Iowa [19]
Owned by State Highway Agency [01], DOT District: 4
0.8 mi. E of Jct I-29

Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 54.6 metric ton = 60.1 tons (Load Factor(LF) [1])
Inventory: 32.7 metric ton = 36.0 tons (Load Factor(LF) [1])

Appraisal
Structural: Equal to present desirable criteria [8]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present minimum criteria [6]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: July 1999 [799] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 1.1 km = 0.7 mi
Traffic
ADT: 10600 (2019) and Trucks: 10%
Future ADT: 10600 (In 2039 )

US 30 over WILLOW CREEK (Route: 30)
Num:27401x
Open: no restriction [A]
Built: 1972, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 Kilometers)

Bridge Type
Main Span(s): Concrete continuous [2] Slab [01]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]

Bridge Dimensions
Length: 40.5 m = 132.9 ft
Main Spans: 3 at 15.5 m = 50.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 16.5 m = 54.1 ft (2 Lanes) and Out-To-Out: 19.1 m = 62.7 ft for a 12.2 m = 40.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [05130]: Harrison County [085], Iowa [19]
Owned by State Highway Agency [01], DOT District: 4
0.6 MI. E OF JCT. I-29

Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 57 metric ton = 62.7 tons (Load Factor(LF) [1])
Inventory: 34.2 metric ton = 37.6 tons (Load Factor(LF) [1])

Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Superior to present desirable criteria [9]
Road Alignment: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: June 2020 [0620] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 1 km = 0.6 mi
Traffic
ADT: 10600 (2019) and Trucks: 10%
Future ADT: 10600 (In 2040 )

HURON ST over WILLOW RIVER (Route: 0)
Num:8311x
Open: no restriction [A]
Built: 1996, Reconstructed: N/A [0000]
Historic: Bridge is possibly eligible for the NRHP. [3]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Concrete continuous [2] Slab [01]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]

Bridge Dimensions
Length: 40.5 m = 132.9 ft
Main Spans: 3 at 15.5 m = 50.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 12.2 m = 40.0 ft for a 13.7 m = 44.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [05130]: Harrison County [085], Iowa [19]
Owned by City or Municipal Highway Agency [04], DOT District: 3
0

Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 69.7 metric ton = 76.7 tons (Load Factor(LF) [1])
Inventory: 41.7 metric ton = 45.9 tons (Load Factor(LF) [1])

Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: August 1999 [899] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 1000 (2004) and Trucks: 0%
Future ADT: 1000 (In 2039 )