US Bridges

I-94 WB Ramp over I-94EB Rmp B to M-39 NB

Good

Wayne County, Michigan · Ramp to NB M39 · Structure no. 000000000013355

Built
1985
40 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
3,000
1982 count
Owner
State
State Highway Agency

About this bridge

I-94 WB Ramp over I-94EB Rmp B to M-39 NB is a prestressed concrete stringer/multi-beam or girder carrying I-94 WB Ramp over I-94EB Rmp B to M-39 NB 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,000 vehicles a day, roughly 3% of them trucks, projected to reach 3,000 by 1977. The structure is 73 ft (22.2 m) long and 48 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesI-94 WB Ramp
CrossesI-94EB Rmp B to M-39 NB
LocationRamp to NB M39
RouteInterstate 94
CountyWayne County
StateMichigan
Coordinates42.269, -83.22196
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.5 US tons
Inventory rating43.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length73 ft (22.2 m)
Longest span69 ft (21 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (1982)
Projected traffic3,000 by 1977
Trucks3%
Lanes on structure2
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 over I-94EB Rmp B to M-39 NB built?

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

What condition is I-94 WB Ramp over I-94EB Rmp B to M-39 NB in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does I-94 WB Ramp over I-94EB Rmp B to M-39 NB carry?

About 3,000 vehicles per day (1982 count), of which roughly 3% are trucks.

How long is I-94 WB Ramp over I-94EB Rmp B to M-39 NB?

The structure is 73 ft (22.2 m) long with a longest span of 69 ft (21 m) and a deck 48 ft wide.

Who owns I-94 WB Ramp over I-94EB Rmp B to M-39 NB?

It is owned by the State Highway Agency.