US Bridges

EB I-80 over West 148th ST South

Fair

Jasper County, Iowa · 1.0 Mile East of SR S27 · Structure no. 000000000030860

Built
1959
66 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
129 ft
3 main spans
Daily traffic
18,350
2023 count
Owner
State
State Highway Agency

About this bridge

EB I-80 over West 148th ST South is a prestressed concrete stringer/multi-beam or girder carrying EB I-80 over West 148th ST South in Jasper County, Iowa. It was built in 1959, so it is 66 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 18,350 vehicles a day, roughly 31% of them trucks, projected to reach 18,350 by 2043. The structure is 129 ft (39.2 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesEB I-80
CrossesWest 148th ST South
Location1.0 Mile East of SR S27
RouteInterstate 80
CountyJasper County
StateIowa
Coordinates41.68074, -93.34871
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.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.4 US tons
Inventory rating42.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length129 ft (39.2 m)
Longest span44 ft (13.4 m)
Deck width46 ft (14 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,350 (2023)
Projected traffic18,350 by 2043
Trucks31%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
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 EB I-80 over West 148th ST South built?

It was built in 1959, making it 66 years old in 2025.

What condition is EB I-80 over West 148th ST South 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 West 148th ST South carry?

About 18,350 vehicles per day (2023 count), of which roughly 31% are trucks.

How long is EB I-80 over West 148th ST South?

The structure is 129 ft (39.2 m) long with a longest span of 44 ft (13.4 m) and a deck 46 ft wide.

Who owns EB I-80 over West 148th ST South?

It is owned by the State Highway Agency.