US Bridges

I-75 SB over I-96 WB

Good

Wayne County, Michigan · In Detroit · Structure no. 000000000011747

Built
1970
55 years old, rebuilt 2007
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
33,794
2007 count
Owner
State
State Highway Agency

About this bridge

I-75 SB over I-96 WB is a steel stringer/multi-beam or girder carrying I-75 SB over I-96 WB in Wayne County, Michigan. It was built in 1970 and reconstructed in 2007, so it is 55 years old, older than the Michigan average of 48.3 years.

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

It carries about 33,794 vehicles a day, roughly 9% of them trucks, projected to reach 5,050 by 2015. The structure is 52 ft (15.7 m) long and 59 ft wide.

CarriesI-75 SB
CrossesI-96 WB
LocationIn Detroit
RouteInterstate 75
Coordinates42.33017, -83.08649
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating95.7 US tons
Inventory rating57.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length52 ft (15.7 m)
Longest span52 ft (15.7 m)
Deck width59 ft (18 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,794 (2007)
Projected traffic5,050 by 2015
Trucks9%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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-75 SB over I-96 WB built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2007.

What condition is I-75 SB over I-96 WB 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 May 2024.

How much traffic does I-75 SB over I-96 WB carry?

About 33,794 vehicles per day (2007 count), of which roughly 9% are trucks.

How long is I-75 SB over I-96 WB?

The structure is 52 ft (15.7 m) long with a longest span of 52 ft (15.7 m) and a deck 59 ft wide.

Who owns I-75 SB over I-96 WB?

It is owned by the State Highway Agency.