US Bridges

SR 64 over Alstott Branch

Fair

Harrison County, Indiana · 01.97 E SR 335 · Structure no. 023150

Built
2002
23 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
107 ft
3 main spans
Daily traffic
6,994
2021 count
Owner
State
State Highway Agency

About this bridge

SR 64 over Alstott Branch is a concrete continuous slab carrying SR 64 over Alstott Branch in Harrison County, Indiana. It was built in 2002, so it is 23 years old, younger 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 6,994 vehicles a day, roughly 12% of them trucks, projected to reach 17,473 by 2033. The structure is 107 ft (32.6 m) long and 48 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

CarriesSR 64
CrossesAlstott Branch
Location01.97 E SR 335
RouteState Highway 64
StateIndiana
Coordinates38.30034, -86.02274
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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101.7 US tons
Inventory rating78.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length107 ft (32.6 m)
Longest span40 ft (12.3 m)
Deck width48 ft (14.6 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,994 (2021)
Projected traffic17,473 by 2033
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 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 Alstott Branch built?

It was built in 2002, making it 23 years old in 2025.

What condition is SR 64 over Alstott Branch 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 Alstott Branch carry?

About 6,994 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is SR 64 over Alstott Branch?

The structure is 107 ft (32.6 m) long with a longest span of 40 ft (12.3 m) and a deck 48 ft wide.

Who owns SR 64 over Alstott Branch?

It is owned by the State Highway Agency.