US Bridges

I-65 Onoff Ramps over West ST on Ramp to I-65N

Fair

Marion County, Indiana · 03.61 N I-70 · Structure no. 036680

Built
1970
55 years old, rebuilt 2018
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
166 ft
3 main spans
Daily traffic
23,276
2018 count
Owner
State
State Highway Agency

About this bridge

I-65 Onoff Ramps over West ST on Ramp to I-65N is a steel continuous stringer/multi-beam or girder carrying I-65 Onoff Ramps over West ST on Ramp to I-65N in Marion County, Indiana. It was built in 1970 and reconstructed in 2018, so it is 55 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 23,276 vehicles a day, roughly 4% of them trucks, projected to reach 29,528 by 2038. The structure is 166 ft (50.6 m) long and 60 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI-65 Onoff Ramps
CrossesWest ST on Ramp to I-65N
Location03.61 N I-70
RouteInterstate 65
CountyMarion County
StateIndiana
Coordinates39.78374, -86.16609
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.8 US tons
Inventory rating36.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length166 ft (50.6 m)
Longest span61 ft (18.7 m)
Deck width60 ft (18.4 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deck14 ft (4.4 m)

Traffic and service

Average daily traffic23,276 (2018)
Projected traffic29,528 by 2038
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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 Onoff Ramps over West ST on Ramp to I-65N built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2018.

What condition is I-65 Onoff Ramps over West ST on Ramp to I-65N 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 October 2023.

How much traffic does I-65 Onoff Ramps over West ST on Ramp to I-65N carry?

About 23,276 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is I-65 Onoff Ramps over West ST on Ramp to I-65N?

The structure is 166 ft (50.6 m) long with a longest span of 61 ft (18.7 m) and a deck 60 ft wide.

Who owns I-65 Onoff Ramps over West ST on Ramp to I-65N?

It is owned by the State Highway Agency.