US Bridges

M-8 EB Davison over M-10 SB

Good

Wayne County, Michigan · In Detroit over M-10 SB · Structure no. 000000000011437

Built
1956
69 years old, rebuilt 1996
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
219 ft
5 main spans
Daily traffic
39,515
2007 count
Owner
State
State Highway Agency

About this bridge

M-8 EB Davison over M-10 SB is a steel stringer/multi-beam or girder carrying M-8 EB Davison over M-10 SB in Wayne County, Michigan. It was built in 1956 and reconstructed in 1996, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 39,515 vehicles a day, roughly 2% of them trucks, projected to reach 40,985 by 2018. The structure is 219 ft (66.7 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesM-8 EB Davison
CrossesM-10 SB
LocationIn Detroit over M-10 SB
RouteState Highway 8
Coordinates42.39817, -83.1101
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.4 US tons
Inventory rating53.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length219 ft (66.7 m)
Longest span74 ft (22.5 m)
Deck width48 ft (14.5 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,515 (2007)
Projected traffic40,985 by 2018
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
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-8 EB Davison over M-10 SB built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1996.

What condition is M-8 EB Davison over M-10 SB in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

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

About 39,515 vehicles per day (2007 count), of which roughly 2% are trucks.

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

The structure is 219 ft (66.7 m) long with a longest span of 74 ft (22.5 m) and a deck 48 ft wide.

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

It is owned by the State Highway Agency.