US Bridges

I-94 W-S Ramp over I-75 & Ramp

Fair

Wayne County, Michigan · In Detroit · Structure no. 000000000011830

Built
1962
63 years old, rebuilt 2002
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
186 ft
3 main spans
Daily traffic
16,525
2014 count
Owner
State
State Highway Agency

About this bridge

I-94 W-S Ramp over I-75 & Ramp is a steel stringer/multi-beam or girder carrying I-94 W-S Ramp over I-75 & Ramp in Wayne County, Michigan. It was built in 1962 and reconstructed in 2002, 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 6 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 16,525 vehicles a day, roughly 7% of them trucks, projected to reach 18,250 by 2034. The structure is 186 ft (56.6 m) long and 38 ft wide.

Location

Open in Google Maps
CarriesI-94 W-S Ramp
CrossesI-75 & Ramp
LocationIn Detroit
RouteInterstate 94
CountyWayne County
StateMichigan
Coordinates42.369, -83.05793
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating38.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length186 ft (56.6 m)
Longest span66 ft (20.2 m)
Deck width38 ft (11.7 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,525 (2014)
Projected traffic18,250 by 2034
Trucks7%
Lanes on structure2
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-94 W-S Ramp over I-75 & Ramp built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2002.

What condition is I-94 W-S Ramp over I-75 & Ramp 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 October 2023.

How much traffic does I-94 W-S Ramp over I-75 & Ramp carry?

About 16,525 vehicles per day (2014 count), of which roughly 7% are trucks.

How long is I-94 W-S Ramp over I-75 & Ramp?

The structure is 186 ft (56.6 m) long with a longest span of 66 ft (20.2 m) and a deck 38 ft wide.

Who owns I-94 W-S Ramp over I-75 & Ramp?

It is owned by the State Highway Agency.