US Bridges

I 80 EB over US 6

Fair

Pottawattamie County, Iowa · At JCT US 6 · Structure no. 000000000045260

Built
1967
58 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
245 ft
4 main spans
Daily traffic
11,950
2022 count
Owner
State
State Highway Agency

About this bridge

I 80 EB over US 6 is a steel continuous stringer/multi-beam or girder carrying I 80 EB over US 6 in Pottawattamie County, Iowa. It was built in 1967, so it is 58 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 11,950 vehicles a day, roughly 36% of them trucks, projected to reach 11,950 by 2042. The structure is 245 ft (74.7 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 80 EB
CrossesUS 6
LocationAt JCT US 6
RouteInterstate 80
StateIowa
Coordinates41.27974, -95.78463
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.7 US tons
Inventory rating34.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length245 ft (74.7 m)
Longest span70 ft (21.3 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,950 (2022)
Projected traffic11,950 by 2042
Trucks36%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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 EB over US 6 built?

It was built in 1967, making it 58 years old in 2025.

What condition is I 80 EB over US 6 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

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

About 11,950 vehicles per day (2022 count), of which roughly 36% are trucks.

How long is I 80 EB over US 6?

The structure is 245 ft (74.7 m) long with a longest span of 70 ft (21.3 m) and a deck 42 ft wide.

Who owns I 80 EB over US 6?

It is owned by the State Highway Agency.