US Bridges

I-465 NB over CSX RR

Fair

Marion County, Indiana · 00.24 N US 36 / SR 67 · Structure no. 050110

Built
1966
59 years old, rebuilt 2000
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
156 ft
3 main spans
Daily traffic
79,983
2021 count
Owner
State
State Highway Agency

About this bridge

I-465 NB over CSX RR is a steel continuous stringer/multi-beam or girder carrying I-465 NB over CSX RR in Marion County, Indiana. It was built in 1966 and reconstructed in 2000, 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 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 79,983 vehicles a day, roughly 16% of them trucks, projected to reach 90,000 by 2035. The structure is 156 ft (47.5 m) long and 90 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-465 NB
CrossesCSX RR
Location00.24 N US 36 / SR 67
RouteInterstate 465
CountyMarion County
StateIndiana
Coordinates39.83541, -86.03743
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length156 ft (47.5 m)
Longest span57 ft (17.3 m)
Deck width90 ft (27.5 m)
Roadway width88 ft (26.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic79,983 (2021)
Projected traffic90,000 by 2035
Trucks16%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesRailroad
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 CSX RR built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2000.

What condition is I-465 NB over CSX RR 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 CSX RR carry?

About 79,983 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is I-465 NB over CSX RR?

The structure is 156 ft (47.5 m) long with a longest span of 57 ft (17.3 m) and a deck 90 ft wide.

Who owns I-465 NB over CSX RR?

It is owned by the State Highway Agency.