US Bridges

I 80 US 6 EB over Madison Ave

Good

Pottawattamie County, Iowa · I-80 over Madison Ave. · Structure no. 000000000045171

Built
2023
2 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
202 ft
3 main spans
Daily traffic
—
2023 count
Owner
State
State Highway Agency

About this bridge

I 80 US 6 EB over Madison Ave is a prestressed concrete stringer/multi-beam or girder carrying I 80 US 6 EB over Madison Ave in Pottawattamie County, Iowa. It was built in 2023, so it is 2 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

No traffic count is recorded. The structure is 202 ft (61.6 m) long and 75 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 80 US 6 EB
CrossesMadison Ave
LocationI-80 over Madison Ave.
RouteInterstate 80
StateIowa
Coordinates41.2416, -95.82367
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length202 ft (61.6 m)
Longest span122 ft (37.2 m)
Deck width75 ft (22.9 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks0%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 80 US 6 EB over Madison Ave built?

It was built in 2023, making it 2 years old in 2025.

What condition is I 80 US 6 EB over Madison Ave in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does I 80 US 6 EB over Madison Ave carry?

No traffic count is recorded for this structure.

How long is I 80 US 6 EB over Madison Ave?

The structure is 202 ft (61.6 m) long with a longest span of 122 ft (37.2 m) and a deck 75 ft wide.

Who owns I 80 US 6 EB over Madison Ave?

It is owned by the State Highway Agency.