US Bridges

I-65 SB over SR 25 Sb/Nb

Fair

Tippecanoe County, Indiana · 03.04 N SR 26 · Structure no. 037690

Built
1969
56 years old, rebuilt 2016
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
155 ft
2 main spans
Daily traffic
27,820
2015 count
Owner
State
State Highway Agency

About this bridge

I-65 SB over SR 25 Sb/Nb is a steel continuous stringer/multi-beam or girder carrying I-65 SB over SR 25 Sb/Nb in Tippecanoe County, Indiana. It was built in 1969 and reconstructed in 2016, so it is 56 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 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 27,820 vehicles a day, roughly 34% of them trucks, projected to reach 36,820 by 2035. The structure is 155 ft (47.2 m) long and 59 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-65 SB
CrossesSR 25 Sb/Nb
Location03.04 N SR 26
RouteInterstate 65
CountyTippecanoe County
StateIndiana
Coordinates40.45582, -86.84769
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.2 US tons
Inventory rating24.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span76 ft (23.1 m)
Deck width59 ft (17.9 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,820 (2015)
Projected traffic36,820 by 2035
Trucks34%
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 SB over SR 25 Sb/Nb built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2016.

What condition is I-65 SB over SR 25 Sb/Nb 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 August 2023.

How much traffic does I-65 SB over SR 25 Sb/Nb carry?

About 27,820 vehicles per day (2015 count), of which roughly 34% are trucks.

How long is I-65 SB over SR 25 Sb/Nb?

The structure is 155 ft (47.2 m) long with a longest span of 76 ft (23.1 m) and a deck 59 ft wide.

Who owns I-65 SB over SR 25 Sb/Nb?

It is owned by the State Highway Agency.