US Bridges

I-65 SB over Muscatatuck River

Good

Scott County, Indiana · 01.26 S US 31 · Structure no. 035040

Built
1959
66 years old, rebuilt 1993
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
730 ft
10 main spans
Daily traffic
16,310
2023 count
Owner
State
State Highway Agency

About this bridge

I-65 SB over Muscatatuck River is a steel continuous stringer/multi-beam or girder carrying I-65 SB over Muscatatuck River in Scott County, Indiana. It was built in 1959 and reconstructed in 1993, so it is 66 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 16,310 vehicles a day, roughly 43% of them trucks, projected to reach 17,872 by 2043. The structure is 730 ft (222.6 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-65 SB
CrossesMuscatatuck River
Location01.26 S US 31
RouteInterstate 65
StateIndiana
Coordinates38.76296, -85.83003
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20 + Mod
Structure length730 ft (222.6 m)
Longest span75 ft (22.8 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,310 (2023)
Projected traffic17,872 by 2043
Trucks43%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-65 SB over Muscatatuck River built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1993.

What condition is I-65 SB over Muscatatuck River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does I-65 SB over Muscatatuck River carry?

About 16,310 vehicles per day (2023 count), of which roughly 43% are trucks.

How long is I-65 SB over Muscatatuck River?

The structure is 730 ft (222.6 m) long with a longest span of 75 ft (22.8 m) and a deck 42 ft wide.

Who owns I-65 SB over Muscatatuck River?

It is owned by the State Highway Agency.