US Bridges

I-94 W-S Ramp over I-94

Fair

Wayne County, Michigan · In Detroit · Structure no. 000000000011825

Built
1962
63 years old, rebuilt 2002
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
310 ft
4 main spans
Daily traffic
12,600
1998 count
Owner
State
State Highway Agency

About this bridge

I-94 W-S Ramp over I-94 is a steel stringer/multi-beam or girder carrying I-94 W-S Ramp over I-94 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 12,600 vehicles a day, roughly 3% of them trucks, projected to reach 13,480 by 1977. The structure is 310 ft (94.4 m) long and 38 ft wide.

Location

Open in Google Maps
CarriesI-94 W-S Ramp
CrossesI-94
LocationIn Detroit
RouteInterstate 94
CountyWayne County
StateMichigan
Coordinates42.36784, -83.05979
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.
Superstructure7 GoodSome minor problems.
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 alignment6: Equal to present minimum criteria
Operating rating71.1 US tons
Inventory rating42.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length310 ft (94.4 m)
Longest span89 ft (27.1 m)
Deck width38 ft (11.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,600 (1998)
Projected traffic13,480 by 1977
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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-94 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-94 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-94 carry?

About 12,600 vehicles per day (1998 count), of which roughly 3% are trucks.

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

The structure is 310 ft (94.4 m) long with a longest span of 89 ft (27.1 m) and a deck 38 ft wide.

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

It is owned by the State Highway Agency.