US Bridges

I-465 Drw - Ramp over East 21st Street

Fair

Marion County, Indiana · 00.18 S I-70 · Structure no. 049970

Built
1966
59 years old, rebuilt 2002
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
176 ft
2 main spans
Daily traffic
6,257
2021 count
Owner
State
State Highway Agency

About this bridge

I-465 Drw - Ramp over East 21st Street is a steel continuous stringer/multi-beam or girder carrying I-465 Drw - Ramp over East 21st Street in Marion County, Indiana. It was built in 1966 and reconstructed in 2002, so it is 59 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 6,257 vehicles a day, roughly 11% of them trucks, projected to reach 8,000 by 2035. The structure is 176 ft (53.6 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI-465 Drw - Ramp
CrossesEast 21st Street
Location00.18 S I-70
RouteInterstate 465
StateIndiana
Coordinates39.79645, -86.03587
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 alignment6: Equal to present minimum criteria
Operating rating48.4 US tons
Inventory rating29 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length176 ft (53.6 m)
Longest span90 ft (27.4 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,257 (2021)
Projected traffic8,000 by 2035
Trucks11%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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-465 Drw - Ramp over East 21st Street built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2002.

What condition is I-465 Drw - Ramp over East 21st Street 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 May 2024.

How much traffic does I-465 Drw - Ramp over East 21st Street carry?

About 6,257 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is I-465 Drw - Ramp over East 21st Street?

The structure is 176 ft (53.6 m) long with a longest span of 90 ft (27.4 m) and a deck 33 ft wide.

Who owns I-465 Drw - Ramp over East 21st Street?

It is owned by the State Highway Agency.