US Bridges

I-75 E-N Ramp over M-10

Fair

Wayne County, Michigan · In Detroit · Structure no. 000000000011766

Built
1970
55 years old, rebuilt 2017
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
331 ft
5 main spans
Daily traffic
5,291
2017 count
Owner
State
State Highway Agency

About this bridge

I-75 E-N Ramp over M-10 is a steel continuous stringer/multi-beam or girder carrying I-75 E-N Ramp over M-10 in Wayne County, Michigan. It was built in 1970 and reconstructed in 2017, so it is 55 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 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 5,291 vehicles a day, roughly 3% of them trucks, projected to reach 6,225 by 2037. The structure is 331 ft (101 m) long and 31 ft wide.

Location

Open in Google Maps
CarriesI-75 E-N Ramp
CrossesM-10
LocationIn Detroit
RouteInterstate 75
CountyWayne County
StateMichigan
Coordinates42.33374, -83.06306
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating42.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length331 ft (101 m)
Longest span85 ft (25.8 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,291 (2017)
Projected traffic6,225 by 2037
Trucks3%
Lanes on structure1
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-75 E-N Ramp over M-10 built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2017.

What condition is I-75 E-N Ramp over M-10 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 May 2024.

How much traffic does I-75 E-N Ramp over M-10 carry?

About 5,291 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is I-75 E-N Ramp over M-10?

The structure is 331 ft (101 m) long with a longest span of 85 ft (25.8 m) and a deck 31 ft wide.

Who owns I-75 E-N Ramp over M-10?

It is owned by the State Highway Agency.