US Bridges

SR 64 over SR 37

Fair

Crawford County, Indiana · 07.24 W SR 66 · Structure no. 023070

Built
1956
69 years old, rebuilt 1996
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
181 ft
5 main spans
Daily traffic
5,138
2004 count
Owner
State
State Highway Agency

About this bridge

SR 64 over SR 37 is a concrete stringer/multi-beam or girder carrying SR 64 over SR 37 in Crawford County, Indiana. It was built in 1956 and reconstructed in 1996, so it is 69 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 5,138 vehicles a day, roughly 10% of them trucks, projected to reach 8,529 by 2030. The structure is 181 ft (55.1 m) long and 56 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR 64
CrossesSR 37
Location07.24 W SR 66
RouteState Highway 64
StateIndiana
Coordinates38.34162, -86.46702
Functional classRural Major Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating32.8 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length181 ft (55.1 m)
Longest span40 ft (12.3 m)
Deck width56 ft (17 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,138 (2004)
Projected traffic8,529 by 2030
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

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 SR 64 over SR 37 built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1996.

What condition is SR 64 over SR 37 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 December 2024.

How much traffic does SR 64 over SR 37 carry?

About 5,138 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is SR 64 over SR 37?

The structure is 181 ft (55.1 m) long with a longest span of 40 ft (12.3 m) and a deck 56 ft wide.

Who owns SR 64 over SR 37?

It is owned by the State Highway Agency.