US Bridges

I-94 over I-75

Fair

Wayne County, Michigan · In Detroit · Structure no. 000000000011828

Built
1962
63 years old, rebuilt 1996
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
188 ft
3 main spans
Daily traffic
180,032
2007 count
Owner
State
State Highway Agency

About this bridge

I-94 over I-75 is a steel stringer/multi-beam or girder carrying I-94 over I-75 in Wayne County, Michigan. It was built in 1962 and reconstructed in 1996, so it is 63 years old, older than the Michigan average of 48.3 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 180,032 vehicles a day, roughly 4% of them trucks, projected to reach 167,500 by 2018. The structure is 188 ft (57.3 m) long and 118 ft wide.

Location

Open in Google Maps
CarriesI-94
CrossesI-75
LocationIn Detroit
RouteInterstate 94
CountyWayne County
StateMichigan
Coordinates42.36857, -83.05772
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
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 rating87.9 US tons
Inventory rating52.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length188 ft (57.3 m)
Longest span69 ft (21 m)
Deck width118 ft (36 m)
Roadway width116 ft (35.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180,032 (2007)
Projected traffic167,500 by 2018
Trucks4%
Lanes on structure7
Traffic directionTwo-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-94 over I-75 built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1996.

What condition is I-94 over I-75 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 December 2023.

How much traffic does I-94 over I-75 carry?

About 180,032 vehicles per day (2007 count), of which roughly 4% are trucks.

How long is I-94 over I-75?

The structure is 188 ft (57.3 m) long with a longest span of 69 ft (21 m) and a deck 118 ft wide.

Who owns I-94 over I-75?

It is owned by the State Highway Agency.