US Bridges

SR 64 over Blue River

Fair

Crawford County, Indiana · 00.29 E SR 66 · Structure no. 023120

Built
1958
67 years old, rebuilt 1998
Condition
Fair
inspected October 2024
Type
Arch - Deck
Concrete
Length
270 ft
3 main spans
Daily traffic
3,281
2021 count
Owner
State
State Highway Agency

About this bridge

SR 64 over Blue River is a concrete arch - deck carrying SR 64 over Blue River in Crawford County, Indiana. It was built in 1958 and reconstructed in 1998, so it is 67 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 3,281 vehicles a day, roughly 10% of them trucks, projected to reach 8,181 by 2031. The structure is 270 ft (82.2 m) long and 39 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR 64
CrossesBlue River
Location00.29 E SR 66
RouteState Highway 64
StateIndiana
Coordinates38.35252, -86.27875
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating46.7 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length270 ft (82.2 m)
Longest span85 ft (25.9 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,281 (2021)
Projected traffic8,181 by 2031
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 64 over Blue River built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1998.

What condition is SR 64 over 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 2024.

How much traffic does SR 64 over Blue River carry?

About 3,281 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is SR 64 over Blue River?

The structure is 270 ft (82.2 m) long with a longest span of 85 ft (25.9 m) and a deck 39 ft wide.

Who owns SR 64 over Blue River?

It is owned by the State Highway Agency.