US Bridges

EB I-80 over Indian Creek

Fair

Jasper County, Iowa · 2.6 Miles E of JCT Ia 117 · Structure no. 000000000030970

Built
1960
65 years old, rebuilt 1979
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
320 ft
5 main spans
Daily traffic
17,550
2023 count
Owner
State
State Highway Agency

About this bridge

EB I-80 over Indian Creek is a prestressed concrete stringer/multi-beam or girder carrying EB I-80 over Indian Creek in Jasper County, Iowa. It was built in 1960 and reconstructed in 1979, so it is 65 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 17,550 vehicles a day, roughly 33% of them trucks, projected to reach 17,550 by 2043. The structure is 320 ft (97.5 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEB I-80
CrossesIndian Creek
Location2.6 Miles E of JCT Ia 117
RouteInterstate 80
StateIowa
Coordinates41.69775, -93.19867
Functional classRural 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 18 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.4 US tons
Inventory rating43.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length320 ft (97.5 m)
Longest span68 ft (20.7 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,550 (2023)
Projected traffic17,550 by 2043
Trucks33%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 Indian Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1979.

What condition is EB I-80 over Indian Creek 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 January 2023.

How much traffic does EB I-80 over Indian Creek carry?

About 17,550 vehicles per day (2023 count), of which roughly 33% are trucks.

How long is EB I-80 over Indian Creek?

The structure is 320 ft (97.5 m) long with a longest span of 68 ft (20.7 m) and a deck 42 ft wide.

Who owns EB I-80 over Indian Creek?

It is owned by the State Highway Agency.