US Bridges

Forest Ave over M-10

Fair

Wayne County, Michigan · In Detroit · Structure no. 000000000011405

Built
1950
75 years old, rebuilt 1994
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
111 ft
2 main spans
Daily traffic
13,670
Owner
State
State Highway Agency

About this bridge

Forest Ave over M-10 is a steel continuous stringer/multi-beam or girder carrying Forest Ave over M-10 in Wayne County, Michigan. It was built in 1950 and reconstructed in 1994, so it is 75 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 5 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 13,670 vehicles a day, roughly 3% of them trucks, projected to reach 118,200 by 2014. The structure is 111 ft (33.8 m) long and 103 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesForest Ave
CrossesM-10
LocationIn Detroit
RouteCity Street 2000
CountyWayne County
StateMichigan
Coordinates42.35163, -83.07208
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating77.8 US tons
Inventory rating46.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length111 ft (33.8 m)
Longest span55 ft (16.7 m)
Deck width103 ft (31.4 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,670 (—)
Projected traffic118,200 by 2014
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 Forest Ave over M-10 built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1994.

What condition is Forest Ave 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 August 2024.

How much traffic does Forest Ave over M-10 carry?

About 13,670 vehicles per day (latest count), of which roughly 3% are trucks.

How long is Forest Ave over M-10?

The structure is 111 ft (33.8 m) long with a longest span of 55 ft (16.7 m) and a deck 103 ft wide.

Who owns Forest Ave over M-10?

It is owned by the State Highway Agency.