US Bridges

SR 64 over Branch Blue River

Fair

Harrison County, Indiana · 00.11 E SR 337 · Structure no. 023130

Built
1950
75 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
4,435
2021 count
Owner
State
State Highway Agency

About this bridge

SR 64 over Branch Blue River is a concrete culvert carrying SR 64 over Branch Blue River in Harrison County, Indiana. It was built in 1950, so it is 75 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 5 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 4,435 vehicles a day, roughly 10% of them trucks, projected to reach 12,058 by 2030. The structure is 26 ft (7.9 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR 64
CrossesBranch Blue River
Location00.11 E SR 337
RouteState Highway 64
CountyHarrison County
StateIndiana
Coordinates38.33551, -86.21603
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 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; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating60.1 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width31 ft (9.4 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,435 (2021)
Projected traffic12,058 by 2030
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 Branch Blue River built?

It was built in 1950, making it 75 years old in 2025.

What condition is SR 64 over Branch 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 Branch Blue River carry?

About 4,435 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is SR 64 over Branch Blue River?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 31 ft wide.

Who owns SR 64 over Branch Blue River?

It is owned by the State Highway Agency.