US Bridges

M-10 WB over M-8 Davison

Fair

Wayne County, Michigan · In Detroit · Structure no. 000000000011438

Built
1956
69 years old, rebuilt 1987
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
302 ft
8 main spans
Daily traffic
78,042
2007 count
Owner
State
State Highway Agency

About this bridge

M-10 WB over M-8 Davison is a steel stringer/multi-beam or girder carrying M-10 WB over M-8 Davison in Wayne County, Michigan. It was built in 1956 and reconstructed in 1987, so it is 69 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 78,042 vehicles a day, roughly 2% of them trucks, projected to reach 67,469 by 2018. The structure is 302 ft (91.9 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesM-10 WB
CrossesM-8 Davison
LocationIn Detroit
RouteState Highway 10
CountyWayne County
StateMichigan
Coordinates42.39831, -83.10969
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating83.9 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length302 ft (91.9 m)
Longest span71 ft (21.7 m)
Deck width73 ft (22.2 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic78,042 (2007)
Projected traffic67,469 by 2018
Trucks2%
Lanes on structure4
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 WB over M-8 Davison built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1987.

What condition is M-10 WB over M-8 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 November 2023.

How much traffic does M-10 WB over M-8 Davison carry?

About 78,042 vehicles per day (2007 count), of which roughly 2% are trucks.

How long is M-10 WB over M-8 Davison?

The structure is 302 ft (91.9 m) long with a longest span of 71 ft (21.7 m) and a deck 73 ft wide.

Who owns M-10 WB over M-8 Davison?

It is owned by the State Highway Agency.