US Bridges

US-24 over M-10 SB

Fair

Oakland County, Michigan · In Southfield · Structure no. 000000000007891

Built
1964
61 years old, rebuilt 1975
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
198 ft
3 main spans
Daily traffic
78,418
2007 count
Owner
State
State Highway Agency

About this bridge

US-24 over M-10 SB is a steel stringer/multi-beam or girder carrying US-24 over M-10 SB in Oakland County, Michigan. It was built in 1964 and reconstructed in 1975, so it is 61 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 78,418 vehicles a day, roughly 2% of them trucks, projected to reach 89,507 by 2018. The structure is 198 ft (60.5 m) long and 123 ft wide.

CarriesUS-24
CrossesM-10 SB
LocationIn Southfield
RouteU.S. Route 24
Coordinates42.48823, -83.28456
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 inspectionMay 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 alignment7: Better than present minimum criteria
Operating rating65.7 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length198 ft (60.5 m)
Longest span86 ft (26.2 m)
Deck width123 ft (37.5 m)
Roadway width116 ft (35.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic78,418 (2007)
Projected traffic89,507 by 2018
Trucks2%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 US-24 over M-10 SB built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1975.

What condition is US-24 over M-10 SB 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 May 2023.

How much traffic does US-24 over M-10 SB carry?

About 78,418 vehicles per day (2007 count), of which roughly 2% are trucks.

How long is US-24 over M-10 SB?

The structure is 198 ft (60.5 m) long with a longest span of 86 ft (26.2 m) and a deck 123 ft wide.

Who owns US-24 over M-10 SB?

It is owned by the State Highway Agency.