US Bridges

M-10 Ramp over M-8 EB Davison

Fair

Wayne County, Michigan · In Detroit · Structure no. 000000000011439

Built
1957
68 years old, rebuilt 1996
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
302 ft
4 main spans
Daily traffic
17,840
1982 count
Owner
State
State Highway Agency

About this bridge

M-10 Ramp over M-8 EB Davison is a steel stringer/multi-beam or girder carrying M-10 Ramp over M-8 EB Davison in Wayne County, Michigan. It was built in 1957 and reconstructed in 1996, so it is 68 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 17,840 vehicles a day, projected to reach 20,516 by 2002. The structure is 302 ft (92 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesM-10 Ramp
CrossesM-8 EB Davison
LocationIn Detroit
RouteState Highway 10
Coordinates42.39868, -83.10864
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating43.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length302 ft (92 m)
Longest span123 ft (37.5 m)
Deck width29 ft (8.7 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,840 (1982)
Projected traffic20,516 by 2002
Trucks—
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 M-10 Ramp over M-8 EB Davison built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1996.

What condition is M-10 Ramp over M-8 EB Davison 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 M-10 Ramp over M-8 EB Davison carry?

About 17,840 vehicles per day (1982 count).

How long is M-10 Ramp over M-8 EB Davison?

The structure is 302 ft (92 m) long with a longest span of 123 ft (37.5 m) and a deck 29 ft wide.

Who owns M-10 Ramp over M-8 EB Davison?

It is owned by the State Highway Agency.