US Bridges

I-65 NB Ramp over I-465 SB

Fair

Marion County, Indiana · 00.16 S I-65 · Structure no. 050720

Built
1959
66 years old, rebuilt 1994
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
226 ft
3 main spans
Daily traffic
11,933
2021 count
Owner
State
State Highway Agency

About this bridge

I-65 NB Ramp over I-465 SB is a steel continuous stringer/multi-beam or girder carrying I-65 NB Ramp over I-465 SB in Marion County, Indiana. It was built in 1959 and reconstructed in 1994, 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 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 11,933 vehicles a day, roughly 5% of them trucks, projected to reach 22,338 by 2030. The structure is 226 ft (68.8 m) long and 42 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesI-65 NB Ramp
CrossesI-465 SB
Location00.16 S I-65
RouteInterstate 465
CountyMarion County
StateIndiana
Coordinates39.86182, -86.27647
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length226 ft (68.8 m)
Longest span102 ft (31 m)
Deck width42 ft (12.7 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,933 (2021)
Projected traffic22,338 by 2030
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 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 Ramp over I-465 SB built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1994.

What condition is I-65 NB Ramp over I-465 SB 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 June 2024.

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

About 11,933 vehicles per day (2021 count), of which roughly 5% are trucks.

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

The structure is 226 ft (68.8 m) long with a longest span of 102 ft (31 m) and a deck 42 ft wide.

Who owns I-65 NB Ramp over I-465 SB?

It is owned by the State Highway Agency.