US Bridges

SR 64 over South Fork Patoka River

Fair

Pike County, Indiana · 01.91 E 357 · Structure no. 022930

Built
1929
96 years old, rebuilt 1993
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
155 ft
2 main spans
Daily traffic
4,112
2004 count
Owner
State
State Highway Agency

About this bridge

SR 64 over South Fork Patoka River is a prestressed concrete box beam or girders - multiple carrying SR 64 over South Fork Patoka River in Pike County, Indiana. It was built in 1929 and reconstructed in 1993, so it is 96 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 4,112 vehicles a day, roughly 10% of them trucks, projected to reach 5,695 by 2032. The structure is 155 ft (47.2 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 64
CrossesSouth Fork Patoka River
Location01.91 E 357
RouteState Highway 64
StateIndiana
Coordinates38.34234, -87.31334
Functional classRural Minor Arterial

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating28.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span68 ft (20.8 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,112 (2004)
Projected traffic5,695 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 South Fork Patoka River built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1993.

What condition is SR 64 over South Fork Patoka 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 May 2023.

How much traffic does SR 64 over South Fork Patoka River carry?

About 4,112 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is SR 64 over South Fork Patoka River?

The structure is 155 ft (47.2 m) long with a longest span of 68 ft (20.8 m) and a deck 37 ft wide.

Who owns SR 64 over South Fork Patoka River?

It is owned by the State Highway Agency.