US Bridges

EB I-80 over Over US 6 & Iais RR

Fair

Johnson County, Iowa · 0.9 Mi. E of Jct. I-380 · Structure no. 000000000032011

Built
1995
30 years old, rebuilt 2020
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
572 ft
4 main spans
Daily traffic
31,000
2022 count
Owner
State
State Highway Agency

About this bridge

EB I-80 over Over US 6 & Iais RR is a steel continuous stringer/multi-beam or girder carrying EB I-80 over Over US 6 & Iais RR in Johnson County, Iowa. It was built in 1995 and reconstructed in 2020, so it is 30 years old, younger 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 31,000 vehicles a day, roughly 25% of them trucks, projected to reach 31,000 by 2044. The structure is 572 ft (174.3 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesEB I-80
CrossesOver US 6 & Iais RR
Location0.9 Mi. E of Jct. I-380
RouteInterstate 80
CountyJohnson County
StateIowa
Coordinates41.6941, -91.62132
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating37.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length572 ft (174.3 m)
Longest span197 ft (60 m)
Deck width60 ft (18.2 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,000 (2022)
Projected traffic31,000 by 2044
Trucks25%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was EB I-80 over Over US 6 & Iais RR built?

It was built in 1995, making it 30 years old in 2025. It was reconstructed in 2020.

What condition is EB I-80 over Over US 6 & Iais RR 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 June 2024.

How much traffic does EB I-80 over Over US 6 & Iais RR carry?

About 31,000 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is EB I-80 over Over US 6 & Iais RR?

The structure is 572 ft (174.3 m) long with a longest span of 197 ft (60 m) and a deck 60 ft wide.

Who owns EB I-80 over Over US 6 & Iais RR?

It is owned by the State Highway Agency.