US Bridges

Calvert Ave over M-10

Fair

Wayne County, Michigan · In Detroit · Structure no. 000000000011434

Built
1955
70 years old, rebuilt 1991
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
171 ft
4 main spans
Daily traffic
1,990
1990 count
Owner
State
State Highway Agency

About this bridge

Calvert Ave over M-10 is a steel continuous stringer/multi-beam or girder carrying Calvert Ave over M-10 in Wayne County, Michigan. It was built in 1955 and reconstructed in 1991, 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 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 1,990 vehicles a day, projected to reach 1,990 by 2010. The structure is 171 ft (52 m) long and 68 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCalvert Ave
CrossesM-10
LocationIn Detroit
RouteCity Street 0
CountyWayne County
StateMichigan
Coordinates42.38448, -83.09955
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 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 geometry8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating69.3 US tons
Inventory rating41.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length171 ft (52 m)
Longest span57 ft (17.4 m)
Deck width68 ft (20.7 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,990 (1990)
Projected traffic1,990 by 2010
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
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 Calvert Ave over M-10 built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1991.

What condition is Calvert 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 December 2023.

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

About 1,990 vehicles per day (1990 count).

How long is Calvert Ave over M-10?

The structure is 171 ft (52 m) long with a longest span of 57 ft (17.4 m) and a deck 68 ft wide.

Who owns Calvert Ave over M-10?

It is owned by the State Highway Agency.