US Bridges

I-80 over Elk Creek

Fair

Jasper County, Iowa · 4.2 Miles W of JCT Ia 224 · Structure no. 000000000031160

Built
1961
64 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
39 ft
3 main spans
Daily traffic
30,500
2023 count
Owner
State
State Highway Agency

About this bridge

I-80 over Elk Creek is a concrete continuous culvert carrying I-80 over Elk Creek in Jasper County, Iowa. It was built in 1961, so it is 64 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 30,500 vehicles a day, roughly 37% of them trucks, projected to reach 30,500 by 2043. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-80
CrossesElk Creek
Location4.2 Miles W of JCT Ia 224
RouteInterstate 80
StateIowa
Coordinates41.68182, -92.98326
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.6 US tons
Inventory rating40.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,500 (2023)
Projected traffic30,500 by 2043
Trucks37%
Lanes on structure4
Traffic directionTwo-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 I-80 over Elk Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is I-80 over Elk 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 May 2024.

How much traffic does I-80 over Elk Creek carry?

About 30,500 vehicles per day (2023 count), of which roughly 37% are trucks.

How long is I-80 over Elk Creek?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m).

Who owns I-80 over Elk Creek?

It is owned by the State Highway Agency.