US Bridges

Clairmount Avenue over M-10

Fair

Wayne County, Michigan · In Detroit · Structure no. 000000000011431

Built
1954
71 years old, rebuilt 1995
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
135 ft
2 main spans
Daily traffic
16,000
1993 count
Owner
State
State Highway Agency

About this bridge

Clairmount Avenue over M-10 is a steel continuous stringer/multi-beam or girder carrying Clairmount Avenue over M-10 in Wayne County, Michigan. It was built in 1954 and reconstructed in 1995, so it is 71 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 16,000 vehicles a day, projected to reach 18,690 by 2013. The structure is 135 ft (41.3 m) long and 89 ft wide.

Location

Open in Google Maps
CarriesClairmount Avenue
CrossesM-10
LocationIn Detroit
RouteCity Street 2000
CountyWayne County
StateMichigan
Coordinates42.37972, -83.09022
Functional classUrban Minor 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating23.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length135 ft (41.3 m)
Longest span67 ft (20.3 m)
Deck width89 ft (27 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,000 (1993)
Projected traffic18,690 by 2013
Trucks—
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 Clairmount Avenue over M-10 built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1995.

What condition is Clairmount Avenue 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 April 2023.

How much traffic does Clairmount Avenue over M-10 carry?

About 16,000 vehicles per day (1993 count).

How long is Clairmount Avenue over M-10?

The structure is 135 ft (41.3 m) long with a longest span of 67 ft (20.3 m) and a deck 89 ft wide.

Who owns Clairmount Avenue over M-10?

It is owned by the State Highway Agency.