US Bridges

I-94 EB Ramp over Greenfield RD

Fair

Wayne County, Michigan · In Dearborn · Structure no. 000000000011144

Built
1971
54 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
178 ft
2 main spans
Daily traffic
18,160
1982 count
Owner
State
State Highway Agency

About this bridge

I-94 EB Ramp over Greenfield RD is a steel stringer/multi-beam or girder carrying I-94 EB Ramp over Greenfield RD in Wayne County, Michigan. It was built in 1971, so it is 54 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 5 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 18,160 vehicles a day, projected to reach 20,884 by 2002. The structure is 178 ft (54.2 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesI-94 EB Ramp
CrossesGreenfield RD
LocationIn Dearborn
RouteInterstate 94
CountyWayne County
StateMichigan
Coordinates42.2998, -83.18295
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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 rating100 US tons
Inventory rating60 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length178 ft (54.2 m)
Longest span89 ft (27.1 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,160 (1982)
Projected traffic20,884 by 2002
Trucks—
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-94 EB Ramp over Greenfield RD built?

It was built in 1971, making it 54 years old in 2025.

What condition is I-94 EB Ramp over Greenfield RD 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 September 2023.

How much traffic does I-94 EB Ramp over Greenfield RD carry?

About 18,160 vehicles per day (1982 count).

How long is I-94 EB Ramp over Greenfield RD?

The structure is 178 ft (54.2 m) long with a longest span of 89 ft (27.1 m) and a deck 40 ft wide.

Who owns I-94 EB Ramp over Greenfield RD?

It is owned by the State Highway Agency.