US Bridges

M-10 EB over Ford Underground Garage

Fair

Wayne County, Michigan · @ Bates Street · Structure no. 000000000014639

Built
1955
70 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete
Length
488 ft
18 main spans
Daily traffic
17,000
2016 count
Owner
State
State Highway Agency

About this bridge

M-10 EB over Ford Underground Garage is a concrete tee beam carrying M-10 EB over Ford Underground Garage in Wayne County, Michigan. It was built in 1955, so it is 70 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 17,000 vehicles a day, roughly 1% of them trucks, projected to reach 19,550 by 2036. The structure is 488 ft (148.7 m) long and 106 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesM-10 EB
CrossesFord Underground Garage
Location@ Bates Street
RouteState Highway 10
CountyWayne County
StateMichigan
Coordinates42.32888, -83.04344
Functional classUrban Other Principal Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating37.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans18
Design loadUnknown
Structure length488 ft (148.7 m)
Longest span52 ft (15.7 m)
Deck width106 ft (32.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,000 (2016)
Projected traffic19,550 by 2036
Trucks1%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed3.7 mi (6 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 EB over Ford Underground Garage built?

It was built in 1955, making it 70 years old in 2025.

What condition is M-10 EB over Ford Underground Garage 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 July 2023.

How much traffic does M-10 EB over Ford Underground Garage carry?

About 17,000 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is M-10 EB over Ford Underground Garage?

The structure is 488 ft (148.7 m) long with a longest span of 52 ft (15.7 m) and a deck 106 ft wide.

Who owns M-10 EB over Ford Underground Garage?

It is owned by the State Highway Agency.