US Bridges

I-465 EB over State Ditch

Good

Marion County, Indiana · 02.45 W SR 37 · Structure no. 051031

Built
2024
1 years old
Condition
Good
inspected February 2025
Type
Tee Beam
Prestressed Concrete
Length
121 ft
1 main span
Daily traffic
72,600
2024 count
Owner
State
State Highway Agency

About this bridge

I-465 EB over State Ditch is a prestressed concrete tee beam carrying I-465 EB over State Ditch in Marion County, Indiana. It was built in 2024, so it is 1 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 72,600 vehicles a day, roughly 18% of them trucks, projected to reach 74,300 by 2045. The structure is 121 ft (37 m) long and 103 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-465 EB
CrossesState Ditch
Location02.45 W SR 37
RouteInterstate 465
StateIndiana
Coordinates39.69229, -86.23242
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating43.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length121 ft (37 m)
Longest span120 ft (36.5 m)
Deck width103 ft (31.3 m)
Roadway width100 ft (30.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72,600 (2024)
Projected traffic74,300 by 2045
Trucks18%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-465 EB over State Ditch built?

It was built in 2024, making it 1 years old in 2025.

What condition is I-465 EB over State Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2025.

How much traffic does I-465 EB over State Ditch carry?

About 72,600 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is I-465 EB over State Ditch?

The structure is 121 ft (37 m) long with a longest span of 120 ft (36.5 m) and a deck 103 ft wide.

Who owns I-465 EB over State Ditch?

It is owned by the State Highway Agency.