EB I 80 & US 6 over MADISON AVE (Route: 80)
Num:45170x
Open: no restriction [A]
Built: 1968, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.4 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Low slump Concrete [4]

Bridge Dimensions
Length: 46.9 m = 153.9 ft
Main Spans: 3 at 17.4 m = 57.1 ft
Approach Spans: 0
Skew: 5
Width, Roadway: 11.9 m = 39.0 ft (2 Lanes) and Out-To-Out: 13 m = 42.7 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 [01642]: Pottawattamie County [155], Iowa [19]
Owned by State Highway Agency [01], DOT District: 4
At Madison Ave.

Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 74.8 metric ton = 82.3 tons (Load Factor(LF) [1])
Inventory: 30.9 metric ton = 34.0 tons (Load Factor(LF) [1])

Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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: May 1999 [599] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 14500 (2019) and Trucks: 28%
Future ADT: 14500 (In 2039 )

WB I 80 & US 6 over MADISON AVE (Route: 80)
Num:45180x
Open: no restriction [A]
Built: 1968, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.4 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Low slump Concrete [4]

Bridge Dimensions
Length: 49.7 m = 163.1 ft
Main Spans: 3 at 17.4 m = 57.1 ft
Approach Spans: 0
Skew: 5
Width, Roadway: 11.9 m = 39.0 ft (2 Lanes) and Out-To-Out: 13.3 m = 43.6 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 [01642]: Pottawattamie County [155], Iowa [19]
Owned by State Highway Agency [01], DOT District: 4
At Madison Ave.

Condition
Deck: Fair [5]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 77.7 metric ton = 85.5 tons (Load Factor(LF) [1])
Inventory: 32.6 metric ton = 35.9 tons (Load Factor(LF) [1])

Appraisal
Structural: Equal to present minimum criteria [6]
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: May 1999 [599] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 14500 (2019) and Trucks: 28%
Future ADT: 14500 (In 2039 )

MADISON AVE over MOSQUITO CREEK (Route: 0)
Num:2695x
Open: no restriction [A]
Built: 1968, Reconstructed: 1999
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 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: 54.3 m = 178.2 ft
Main Spans: 3 at 20.7 m = 67.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 15.5 m = 50.9 ft (4 Lanes) and Out-To-Out: 23.5 m = 77.1 ft for a 23.5 m = 77.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [01642]: Pottawattamie County [155], Iowa [19]
Owned by City or Municipal Highway Agency [04], DOT District: 0
Madison Ave over Mosquito

Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 60 metric ton = 66.0 tons (Load Factor(LF) [1])
Inventory: 36 metric ton = 39.6 tons (Load Factor(LF) [1])

Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: June 2020 [0620] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 5900 (2016) and Trucks: 0%
Future ADT: 5900 (In 2040 )

EB I 80 & US 6 over BNSF RR:RD & CREEK (Route: 80)
Num:45190x
Open: no restriction [A]
Built: 1968, 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: Low slump Concrete [4]

Bridge Dimensions
Length: 185.3 m = 608.0 ft
Main Spans: 7 at 30.5 m = 100.1 ft
Approach Spans: 0
Skew: 44
Width, Roadway: 12.6 m = 41.3 ft (3 Lanes) and Out-To-Out: 13.6 m = 44.6 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 [01642]: Pottawattamie County [155], Iowa [19]
Owned by State Highway Agency [01], DOT District: 4
3.2 MI. W OF US #6

Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 49 metric ton = 53.9 tons (Load Factor(LF) [1])
Inventory: 29.4 metric ton = 32.3 tons (Load Factor(LF) [1])

Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Better than present minimum criteria [7]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: October 1999 [1099] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 14500 (2019) and Trucks: 28%
Future ADT: 14500 (In 2039 )