US Bridges

I-65 NB over SR 43

Good

Tippecanoe County, Indiana · 03.13 N SR 25 · Structure no. 037780

Built
1968
57 years old, rebuilt 2022
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
140 ft
2 main spans
Daily traffic
45,595
2021 count
Owner
State
State Highway Agency

About this bridge

I-65 NB over SR 43 is a steel continuous stringer/multi-beam or girder carrying I-65 NB over SR 43 in Tippecanoe County, Indiana. It was built in 1968 and reconstructed in 2022, so it is 57 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 45,595 vehicles a day, roughly 49% of them trucks, projected to reach 32,423 by 2034. The structure is 140 ft (42.6 m) long and 85 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-65 NB
CrossesSR 43
Location03.13 N SR 25
RouteInterstate 65
StateIndiana
Coordinates40.49696, -86.86839
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length140 ft (42.6 m)
Longest span72 ft (21.9 m)
Deck width85 ft (25.8 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,595 (2021)
Projected traffic32,423 by 2034
Trucks49%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-65 NB over SR 43 built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2022.

What condition is I-65 NB over SR 43 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 August 2023.

How much traffic does I-65 NB over SR 43 carry?

About 45,595 vehicles per day (2021 count), of which roughly 49% are trucks.

How long is I-65 NB over SR 43?

The structure is 140 ft (42.6 m) long with a longest span of 72 ft (21.9 m) and a deck 85 ft wide.

Who owns I-65 NB over SR 43?

It is owned by the State Highway Agency.