US Bridges

Warren Av over M-10

Fair

Wayne County, Michigan · In Detroit · Structure no. 000000000011406

Built
1950
75 years old, rebuilt 1996
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
127 ft
2 main spans
Daily traffic
26,900
2007 count
Owner
State
State Highway Agency

About this bridge

Warren Av over M-10 is a steel continuous stringer/multi-beam or girder carrying Warren Av over M-10 in Wayne County, Michigan. It was built in 1950 and reconstructed in 1996, 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 26,900 vehicles a day, roughly 3% of them trucks, projected to reach 29,590 by 2022. The structure is 127 ft (38.6 m) long and 140 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesWarren Av
CrossesM-10
LocationIn Detroit
RouteCity Street 2000
CountyWayne County
StateMichigan
Coordinates42.35377, -83.07339
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.4 US tons
Inventory rating48.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length127 ft (38.6 m)
Longest span61 ft (18.6 m)
Deck width140 ft (42.6 m)
Roadway width110 ft (33.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,900 (2007)
Projected traffic29,590 by 2022
Trucks3%
Lanes on structure10
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 Warren Av over M-10 built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1996.

What condition is Warren Av 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 Warren Av over M-10 carry?

About 26,900 vehicles per day (2007 count), of which roughly 3% are trucks.

How long is Warren Av over M-10?

The structure is 127 ft (38.6 m) long with a longest span of 61 ft (18.6 m) and a deck 140 ft wide.

Who owns Warren Av over M-10?

It is owned by the State Highway Agency.