US Bridges

I-94 W-S Ramp over I-94EB to I-75NB Ramp

Fair

Wayne County, Michigan · In Detroit · Structure no. 000000000011823

Built
1964
61 years old, rebuilt 2007
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
165 ft
3 main spans
Daily traffic
10,110
1982 count
Owner
State
State Highway Agency

About this bridge

I-94 W-S Ramp over I-94EB to I-75NB Ramp is a steel stringer/multi-beam or girder carrying I-94 W-S Ramp over I-94EB to I-75NB Ramp in Wayne County, Michigan. It was built in 1964 and reconstructed in 2007, so it is 61 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 10,110 vehicles a day, roughly 3% of them trucks, projected to reach 14,000 by 2028. The structure is 165 ft (50.3 m) long and 38 ft wide.

Location

Open in Google Maps
CarriesI-94 W-S Ramp
CrossesI-94EB to I-75NB Ramp
LocationIn Detroit
RouteInterstate 94
CountyWayne County
StateMichigan
Coordinates42.36644, -83.0596
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 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 rating67.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length165 ft (50.3 m)
Longest span56 ft (17.1 m)
Deck width38 ft (11.6 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,110 (1982)
Projected traffic14,000 by 2028
Trucks3%
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$26,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-94 W-S Ramp over I-94EB to I-75NB Ramp built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2007.

What condition is I-94 W-S Ramp over I-94EB to I-75NB 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 December 2023.

How much traffic does I-94 W-S Ramp over I-94EB to I-75NB Ramp carry?

About 10,110 vehicles per day (1982 count), of which roughly 3% are trucks.

How long is I-94 W-S Ramp over I-94EB to I-75NB Ramp?

The structure is 165 ft (50.3 m) long with a longest span of 56 ft (17.1 m) and a deck 38 ft wide.

Who owns I-94 W-S Ramp over I-94EB to I-75NB Ramp?

It is owned by the State Highway Agency.