US Bridges

I-65 SB over Fishback Creek

Fair

Marion County, Indiana · 03.73 N I-465 · Structure no. 037130

Built
1960
65 years old, rebuilt 1995
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
156 ft
3 main spans
Daily traffic
20,923
2004 count
Owner
State
State Highway Agency

About this bridge

I-65 SB over Fishback Creek is a concrete continuous stringer/multi-beam or girder carrying I-65 SB over Fishback Creek in Marion County, Indiana. It was built in 1960 and reconstructed in 1995, so it is 65 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 5 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 20,923 vehicles a day, roughly 5% of them trucks, projected to reach 42,000 by 2031. The structure is 156 ft (47.5 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-65 SB
CrossesFishback Creek
Location03.73 N I-465
RouteInterstate 65
StateIndiana
Coordinates39.90622, -86.31722
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating28.2 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length156 ft (47.5 m)
Longest span62 ft (18.8 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,923 (2004)
Projected traffic42,000 by 2031
Trucks5%
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 Fishback Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1995.

What condition is I-65 SB over Fishback Creek 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 November 2023.

How much traffic does I-65 SB over Fishback Creek carry?

About 20,923 vehicles per day (2004 count), of which roughly 5% are trucks.

How long is I-65 SB over Fishback Creek?

The structure is 156 ft (47.5 m) long with a longest span of 62 ft (18.8 m) and a deck 44 ft wide.

Who owns I-65 SB over Fishback Creek?

It is owned by the State Highway Agency.