US Bridges

I-94 WB Ramp F over M-39

Fair

Wayne County, Michigan · Ramp to SB M-39 · Structure no. 000000000011152

Built
1985
40 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
927 ft
4 main spans
Daily traffic
1,500
1982 count
Owner
State
State Highway Agency

About this bridge

I-94 WB Ramp F over M-39 is a prestressed concrete stringer/multi-beam or girder carrying I-94 WB Ramp F over M-39 in Wayne County, Michigan. It was built in 1985, so it is 40 years old, younger 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 1,500 vehicles a day, roughly 3% of them trucks, projected to reach 1,500 by 1977. The structure is 927 ft (282.5 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesI-94 WB Ramp F
CrossesM-39
LocationRamp to SB M-39
RouteInterstate 94
CountyWayne County
StateMichigan
Coordinates42.26896, -83.22397
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4 (+21 approach)
Design loadHS 25 or greater
Structure length927 ft (282.5 m)
Longest span112 ft (34 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (1982)
Projected traffic1,500 by 1977
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
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 WB Ramp F over M-39 built?

It was built in 1985, making it 40 years old in 2025.

What condition is I-94 WB Ramp F over M-39 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 November 2024.

How much traffic does I-94 WB Ramp F over M-39 carry?

About 1,500 vehicles per day (1982 count), of which roughly 3% are trucks.

How long is I-94 WB Ramp F over M-39?

The structure is 927 ft (282.5 m) long with a longest span of 112 ft (34 m) and a deck 36 ft wide.

Who owns I-94 WB Ramp F over M-39?

It is owned by the State Highway Agency.