US Bridges

I-65 SB over I-465

Good

Marion County, Indiana · 07.16 S SR 334 · Structure no. 037010

Built
1959
66 years old, rebuilt 2001
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
144 ft
2 main spans
Daily traffic
32,544
2022 count
Owner
State
State Highway Agency

About this bridge

I-65 SB over I-465 is a steel continuous stringer/multi-beam or girder carrying I-65 SB over I-465 in Marion County, Indiana. It was built in 1959 and reconstructed in 2001, so it is 66 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 32,544 vehicles a day, roughly 16% of them trucks, projected to reach 42,307 by 2042. The structure is 144 ft (43.8 m) long and 62 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-65 SB
CrossesI-465
Location07.16 S SR 334
RouteInterstate 65
CountyMarion County
StateIndiana
Coordinates39.8636, -86.27454
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.2 US tons
Inventory rating21.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length144 ft (43.8 m)
Longest span71 ft (21.6 m)
Deck width62 ft (19 m)
Roadway width59 ft (18.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,544 (2022)
Projected traffic42,307 by 2042
Trucks16%
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 I-465 built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2001.

What condition is I-65 SB over I-465 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 November 2023.

How much traffic does I-65 SB over I-465 carry?

About 32,544 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is I-65 SB over I-465?

The structure is 144 ft (43.8 m) long with a longest span of 71 ft (21.6 m) and a deck 62 ft wide.

Who owns I-65 SB over I-465?

It is owned by the State Highway Agency.