US Bridges

I-65 NBI-70 EB over Michigan Street

Good

Marion County, Indiana · 01.39 N I-70 · Structure no. 080878

Built
2023
2 years old
Condition
Good
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
95 ft
1 main span
Daily traffic
83,160
2021 count
Owner
State
State Highway Agency

About this bridge

I-65 NBI-70 EB over Michigan Street is a prestressed concrete tee beam carrying I-65 NBI-70 EB over Michigan Street in Marion County, Indiana. It was built in 2023, so it is 2 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 83,160 vehicles a day, roughly 13% of them trucks, projected to reach 98,420 by 2041. The structure is 95 ft (28.9 m) long and 76 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI-65 NBI-70 EB
CrossesMichigan Street
Location01.39 N I-70
RouteInterstate 65
CountyMarion County
StateIndiana
Coordinates39.77379, -86.14255
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length95 ft (28.9 m)
Longest span93 ft (28.4 m)
Deck width76 ft (23.1 m)
Roadway width73 ft (22.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic83,160 (2021)
Projected traffic98,420 by 2041
Trucks13%
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-65 NBI-70 EB over Michigan Street built?

It was built in 2023, making it 2 years old in 2025.

What condition is I-65 NBI-70 EB over Michigan 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-65 NBI-70 EB over Michigan Street carry?

About 83,160 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is I-65 NBI-70 EB over Michigan Street?

The structure is 95 ft (28.9 m) long with a longest span of 93 ft (28.4 m) and a deck 76 ft wide.

Who owns I-65 NBI-70 EB over Michigan Street?

It is owned by the State Highway Agency.