US Bridges

I-65 NB over Big Blue River

Fair

Shelby County, Indiana · 02.03 N SR 252 · Structure no. 035690

Built
1969
56 years old, rebuilt 2016
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
420 ft
5 main spans
Daily traffic
28,018
2022 count
Owner
State
State Highway Agency

About this bridge

I-65 NB over Big Blue River is a steel continuous stringer/multi-beam or girder carrying I-65 NB over Big Blue River in Shelby 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 28,018 vehicles a day, roughly 27% of them trucks, projected to reach 28,329 by 2035. The structure is 420 ft (128.1 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-65 NB
CrossesBig Blue River
Location02.03 N SR 252
RouteInterstate 65
StateIndiana
Coordinates39.39186, -85.94284
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
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 rating45.3 US tons
Inventory rating34.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length420 ft (128.1 m)
Longest span91 ft (27.6 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,018 (2022)
Projected traffic28,329 by 2035
Trucks27%
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 NB over Big Blue River built?

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

What condition is I-65 NB over Big 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 December 2024.

How much traffic does I-65 NB over Big Blue River carry?

About 28,018 vehicles per day (2022 count), of which roughly 27% are trucks.

How long is I-65 NB over Big Blue River?

The structure is 420 ft (128.1 m) long with a longest span of 91 ft (27.6 m) and a deck 43 ft wide.

Who owns I-65 NB over Big Blue River?

It is owned by the State Highway Agency.