US Bridges

I-64 WB over Little Blue River

Fair

Crawford County, Indiana · 00.49 E SR 37 · Structure no. 034080

Built
1973
52 years old, rebuilt 1987
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
425 ft
3 main spans
Daily traffic
17,178
2020 count
Owner
State
State Highway Agency

About this bridge

I-64 WB over Little Blue River is a steel continuous stringer/multi-beam or girder carrying I-64 WB over Little Blue River in Crawford County, Indiana. It was built in 1973 and reconstructed in 1987, so it is 52 years old, older than the Indiana average of 46.6 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 17,178 vehicles a day, roughly 30% of them trucks, projected to reach 21,157 by 2040. The structure is 425 ft (129.5 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-64 WB
CrossesLittle Blue River
Location00.49 E SR 37
RouteInterstate 64
StateIndiana
Coordinates38.24364, -86.45944
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating40 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length425 ft (129.5 m)
Longest span161 ft (49 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,178 (2020)
Projected traffic21,157 by 2040
Trucks30%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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-64 WB over Little Blue River built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 1987.

What condition is I-64 WB over Little Blue River 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 October 2023.

How much traffic does I-64 WB over Little Blue River carry?

About 17,178 vehicles per day (2020 count), of which roughly 30% are trucks.

How long is I-64 WB over Little Blue River?

The structure is 425 ft (129.5 m) long with a longest span of 161 ft (49 m) and a deck 42 ft wide.

Who owns I-64 WB over Little Blue River?

It is owned by the State Highway Agency.