US Bridges

I-65 over Prairie Creek

Good

Boone County, Indiana · 01.41 N SR 32 · Structure no. 037230

Built
1948
77 years old, rebuilt 1970
Condition
Good
inspected June 2023
Type
Arch - Deck
Concrete
Length
52 ft
1 main span
Daily traffic
57,066
2021 count
Owner
State
State Highway Agency

About this bridge

I-65 over Prairie Creek is a concrete arch - deck carrying I-65 over Prairie Creek in Boone County, Indiana. It was built in 1948 and reconstructed in 1970, so it is 77 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 57,066 vehicles a day, roughly 47% of them trucks, projected to reach 81,440 by 2030. The structure is 52 ft (15.8 m) long and 232 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-65
CrossesPrairie Creek
Location01.41 N SR 32
RouteInterstate 65
CountyBoone County
StateIndiana
Coordinates40.06671, -86.49565
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
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating32.3 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length52 ft (15.8 m)
Longest span48 ft (14.7 m)
Deck width232 ft (70.7 m)
Roadway width221 ft (67.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic57,066 (2021)
Projected traffic81,440 by 2030
Trucks47%
Lanes on structure7
Traffic directionTwo-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 over Prairie Creek built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1970.

What condition is I-65 over Prairie Creek 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 June 2023.

How much traffic does I-65 over Prairie Creek carry?

About 57,066 vehicles per day (2021 count), of which roughly 47% are trucks.

How long is I-65 over Prairie Creek?

The structure is 52 ft (15.8 m) long with a longest span of 48 ft (14.7 m) and a deck 232 ft wide.

Who owns I-65 over Prairie Creek?

It is owned by the State Highway Agency.