US Bridges

I-465 NB over US 40

Fair

Marion County, Indiana · 01.55 N US 52 · Structure no. 049910

Built
1965
60 years old, rebuilt 2019
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
163 ft
2 main spans
Daily traffic
60,870
2021 count
Owner
State
State Highway Agency

About this bridge

I-465 NB over US 40 is a steel continuous stringer/multi-beam or girder carrying I-465 NB over US 40 in Marion County, Indiana. It was built in 1965 and reconstructed in 2019, so it is 60 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 60,870 vehicles a day, roughly 15% of them trucks, projected to reach 66,500 by 2035. The structure is 163 ft (49.7 m) long and 74 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-465 NB
CrossesUS 40
Location01.55 N US 52
RouteInterstate 465
CountyMarion County
StateIndiana
Coordinates39.77287, -86.03018
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.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating30.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length163 ft (49.7 m)
Longest span81 ft (24.8 m)
Deck width74 ft (22.6 m)
Roadway width71 ft (21.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60,870 (2021)
Projected traffic66,500 by 2035
Trucks15%
Lanes on structure4
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-465 NB over US 40 built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2019.

What condition is I-465 NB over US 40 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 NB over US 40 carry?

About 60,870 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is I-465 NB over US 40?

The structure is 163 ft (49.7 m) long with a longest span of 81 ft (24.8 m) and a deck 74 ft wide.

Who owns I-465 NB over US 40?

It is owned by the State Highway Agency.