US Bridges

I-94EB-I-75NB Ramp over I-75

Fair

Wayne County, Michigan · In Detroit · Structure no. 000000000011824

Built
1964
61 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
307 ft
4 main spans
Daily traffic
10,110
1982 count
Owner
State
State Highway Agency

About this bridge

I-94EB-I-75NB Ramp over I-75 is a steel stringer/multi-beam or girder carrying I-94EB-I-75NB Ramp over I-75 in Wayne County, Michigan. It was built in 1964, so it is 61 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 10,110 vehicles a day, roughly 3% of them trucks, projected to reach 10,110 by 1977. The structure is 307 ft (93.5 m) long and 30 ft wide.

CarriesI-94EB-I-75NB Ramp
CrossesI-75
LocationIn Detroit
RouteInterstate 94
Coordinates42.36728, -83.05733
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.7 US tons
Inventory rating45.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length307 ft (93.5 m)
Longest span119 ft (36.2 m)
Deck width30 ft (9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,110 (1982)
Projected traffic10,110 by 1977
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$116,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-94EB-I-75NB Ramp over I-75 built?

It was built in 1964, making it 61 years old in 2025.

What condition is I-94EB-I-75NB Ramp over I-75 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 April 2023.

How much traffic does I-94EB-I-75NB Ramp over I-75 carry?

About 10,110 vehicles per day (1982 count), of which roughly 3% are trucks.

How long is I-94EB-I-75NB Ramp over I-75?

The structure is 307 ft (93.5 m) long with a longest span of 119 ft (36.2 m) and a deck 30 ft wide.

Who owns I-94EB-I-75NB Ramp over I-75?

It is owned by the State Highway Agency.