US Bridges

US-24 over Clinton R

Fair

Oakland County, Michigan · 1.5MI SE of M-15 · Structure no. 000000000007867

Built
1929
96 years old, rebuilt 1989
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
36,241
2007 count
Owner
State
State Highway Agency

About this bridge

US-24 over Clinton R is a prestressed concrete stringer/multi-beam or girder carrying US-24 over Clinton R in Oakland County, Michigan. It was built in 1929 and reconstructed in 1989, so it is 96 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 6 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 36,241 vehicles a day, roughly 4% of them trucks, projected to reach 36,564 by 2018. The structure is 40 ft (12.3 m) long and 83 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS-24
CrossesClinton R
Location1.5MI SE of M-15
RouteU.S. Route 24
Coordinates42.70317, -83.40368
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating36.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length40 ft (12.3 m)
Longest span38 ft (11.7 m)
Deck width83 ft (25.4 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,241 (2007)
Projected traffic36,564 by 2018
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-24 over Clinton R built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1989.

What condition is US-24 over Clinton R 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 Clinton R carry?

About 36,241 vehicles per day (2007 count), of which roughly 4% are trucks.

How long is US-24 over Clinton R?

The structure is 40 ft (12.3 m) long with a longest span of 38 ft (11.7 m) and a deck 83 ft wide.

Who owns US-24 over Clinton R?

It is owned by the State Highway Agency.