US Bridges

I-65 NB over West ST on Ramp

Fair

Marion County, Indiana · 03.65 N I-70 · Structure no. 036690

Built
1970
55 years old, rebuilt 2018
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
212 ft
3 main spans
Daily traffic
48,423
2018 count
Owner
State
State Highway Agency

About this bridge

I-65 NB over West ST on Ramp is a steel continuous stringer/multi-beam or girder carrying I-65 NB over West ST on Ramp 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 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 48,423 vehicles a day, roughly 10% of them trucks, projected to reach 61,428 by 2038. The structure is 212 ft (64.5 m) long and 54 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI-65 NB
CrossesWest ST on Ramp
Location03.65 N I-70
RouteInterstate 65
CountyMarion County
StateIndiana
Coordinates39.78457, -86.16586
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.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length212 ft (64.5 m)
Longest span81 ft (24.6 m)
Deck width54 ft (16.6 m)
Roadway width52 ft (15.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,423 (2018)
Projected traffic61,428 by 2038
Trucks10%
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 NB over West ST on Ramp built?

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

What condition is I-65 NB over West ST on Ramp 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 NB over West ST on Ramp carry?

About 48,423 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is I-65 NB over West ST on Ramp?

The structure is 212 ft (64.5 m) long with a longest span of 81 ft (24.6 m) and a deck 54 ft wide.

Who owns I-65 NB over West ST on Ramp?

It is owned by the State Highway Agency.