US Bridges

EB I-80 over Prairie Creek

Fair

Jasper County, Iowa · 4.3 Miles E of JCT Ia 117 · Structure no. 000000000031010

Built
1961
64 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
180 ft
5 main spans
Daily traffic
16,700
2022 count
Owner
State
State Highway Agency

About this bridge

EB I-80 over Prairie Creek is a concrete continuous slab carrying EB I-80 over Prairie 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 5 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 16,700 vehicles a day, roughly 33% of them trucks, projected to reach 16,700 by 2044. The structure is 180 ft (54.9 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesEB I-80
CrossesPrairie Creek
Location4.3 Miles E of JCT Ia 117
RouteInterstate 80
CountyJasper County
StateIowa
Coordinates41.68649, -93.1694
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.8 US tons
Inventory rating38.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span39 ft (11.9 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,700 (2022)
Projected traffic16,700 by 2044
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 Prairie Creek built?

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

What condition is EB I-80 over Prairie 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 EB I-80 over Prairie Creek carry?

About 16,700 vehicles per day (2022 count), of which roughly 33% are trucks.

How long is EB I-80 over Prairie Creek?

The structure is 180 ft (54.9 m) long with a longest span of 39 ft (11.9 m) and a deck 36 ft wide.

Who owns EB I-80 over Prairie Creek?

It is owned by the State Highway Agency.