US Bridges

I 80 EB over Iowa Speedway DR

Fair

Jasper County, Iowa · 4.0 Mi. E of Jct. Ia 14 · Structure no. 000000000031140

Built
1962
63 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
141 ft
3 main spans
Daily traffic
13,450
2023 count
Owner
State
State Highway Agency

About this bridge

I 80 EB over Iowa Speedway DR is a prestressed concrete stringer/multi-beam or girder carrying I 80 EB over Iowa Speedway DR in Jasper County, Iowa. It was built in 1962, so it is 63 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 13,450 vehicles a day, roughly 38% of them trucks, projected to reach 13,450 by 2043. The structure is 141 ft (43 m) long and 46 ft wide.

CarriesI 80 EB
CrossesIowa Speedway DR
Location4.0 Mi. E of Jct. Ia 14
RouteInterstate 80
StateIowa
Coordinates41.68249, -93.00015
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
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 rating79 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length141 ft (43 m)
Longest span47 ft (14.3 m)
Deck width46 ft (14 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,450 (2023)
Projected traffic13,450 by 2043
Trucks38%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 I 80 EB over Iowa Speedway DR built?

It was built in 1962, making it 63 years old in 2025.

What condition is I 80 EB over Iowa Speedway DR 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 I 80 EB over Iowa Speedway DR carry?

About 13,450 vehicles per day (2023 count), of which roughly 38% are trucks.

How long is I 80 EB over Iowa Speedway DR?

The structure is 141 ft (43 m) long with a longest span of 47 ft (14.3 m) and a deck 46 ft wide.

Who owns I 80 EB over Iowa Speedway DR?

It is owned by the State Highway Agency.