US Bridges

Mount Vernon ST over M-10

Good

Oakland County, Michigan · In Southfield (M-10) · Structure no. 000000000007882

Built
1963
62 years old, rebuilt 1997
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
121 ft
2 main spans
Daily traffic
5,999
2019 count
Owner
State
State Highway Agency

About this bridge

Mount Vernon ST over M-10 is a steel stringer/multi-beam or girder carrying Mount Vernon ST over M-10 in Oakland County, Michigan. It was built in 1963 and reconstructed in 1997, so it is 62 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,999 vehicles a day, roughly 3% of them trucks, projected to reach 6,628 by 2039. The structure is 121 ft (36.9 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMount Vernon ST
CrossesM-10
LocationIn Southfield (M-10)
RouteCity Street 0
CountyOakland County
StateMichigan
Coordinates42.46518, -83.23067
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating34.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length121 ft (36.9 m)
Longest span59 ft (18.1 m)
Deck width38 ft (11.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,999 (2019)
Projected traffic6,628 by 2039
Trucks3%
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 Mount Vernon ST over M-10 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1997.

What condition is Mount Vernon ST over M-10 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Mount Vernon ST over M-10 carry?

About 5,999 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Mount Vernon ST over M-10?

The structure is 121 ft (36.9 m) long with a longest span of 59 ft (18.1 m) and a deck 38 ft wide.

Who owns Mount Vernon ST over M-10?

It is owned by the State Highway Agency.