US Bridges

I-94 WB over M-39

Fair

Wayne County, Michigan · In Allen Park · Structure no. 000000000011151

Built
1984
41 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
845 ft
4 main spans
Daily traffic
71,546
2007 count
Owner
State
State Highway Agency

About this bridge

I-94 WB over M-39 is a prestressed concrete stringer/multi-beam or girder carrying I-94 WB over M-39 in Wayne County, Michigan. It was built in 1984, so it is 41 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 71,546 vehicles a day, roughly 15% of them trucks, projected to reach 47,000 by 2018. The structure is 845 ft (257.7 m) long and 72 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesI-94 WB
CrossesM-39
LocationIn Allen Park
RouteInterstate 94
CountyWayne County
StateMichigan
Coordinates42.26758, -83.22196
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.
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating43.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4 (+17 approach)
Design loadHS 25 or greater
Structure length845 ft (257.7 m)
Longest span86 ft (26.2 m)
Deck width72 ft (22 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71,546 (2007)
Projected traffic47,000 by 2018
Trucks15%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
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 WB over M-39 built?

It was built in 1984, making it 41 years old in 2025.

What condition is I-94 WB 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 over M-39 carry?

About 71,546 vehicles per day (2007 count), of which roughly 15% are trucks.

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

The structure is 845 ft (257.7 m) long with a longest span of 86 ft (26.2 m) and a deck 72 ft wide.

Who owns I-94 WB over M-39?

It is owned by the State Highway Agency.