US Bridges

I-70 EB over ST Clair Street

Good

Marion County, Indiana · 01.65 N I-65 · Structure no. 080876

Built
2022
3 years old
Condition
Good
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
48,860
2021 count
Owner
State
State Highway Agency

About this bridge

I-70 EB over ST Clair Street is a prestressed concrete tee beam carrying I-70 EB over ST Clair Street in Marion County, Indiana. It was built in 2022, so it is 3 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 48,860 vehicles a day, roughly 13% of them trucks, projected to reach 57,330 by 2041. The structure is 90 ft (27.5 m) long and 61 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-70 EB
CrossesST Clair Street
Location01.65 N I-65
RouteInterstate 70
StateIndiana
Coordinates39.77758, -86.14097
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.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating41.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length90 ft (27.5 m)
Longest span88 ft (26.8 m)
Deck width61 ft (18.5 m)
Roadway width58 ft (17.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,860 (2021)
Projected traffic57,330 by 2041
Trucks13%
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-70 EB over ST Clair Street built?

It was built in 2022, making it 3 years old in 2025.

What condition is I-70 EB over ST Clair Street 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 October 2023.

How much traffic does I-70 EB over ST Clair Street carry?

About 48,860 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is I-70 EB over ST Clair Street?

The structure is 90 ft (27.5 m) long with a longest span of 88 ft (26.8 m) and a deck 61 ft wide.

Who owns I-70 EB over ST Clair Street?

It is owned by the State Highway Agency.