US Bridges

24 Mile Road over N B Clinton River

Good

Macomb County, Michigan · 0.1 MI West of North Ave · Structure no. 000000000006352

Built
1996
29 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
2 main spans
Daily traffic
1,180
2008 count
Owner
County
County Highway Agency

About this bridge

24 Mile Road over N B Clinton River is a prestressed concrete stringer/multi-beam or girder carrying 24 Mile Road over N B Clinton River in Macomb County, Michigan. It was built in 1996, so it is 29 years old, younger 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 1,180 vehicles a day, roughly 3% of them trucks, projected to reach 2,585 by 2028. The structure is 200 ft (60.9 m) long and 54 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries24 Mile Road
CrossesN B Clinton River
Location0.1 MI West of North Ave
RouteCounty Highway 0
Coordinates42.68814, -82.87981
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.9 US tons
Inventory rating45.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length200 ft (60.9 m)
Longest span98 ft (29.8 m)
Deck width54 ft (16.5 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,180 (2008)
Projected traffic2,585 by 2028
Trucks3%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 24 Mile Road over N B Clinton River built?

It was built in 1996, making it 29 years old in 2025.

What condition is 24 Mile Road over N B Clinton River 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 September 2024.

How much traffic does 24 Mile Road over N B Clinton River carry?

About 1,180 vehicles per day (2008 count), of which roughly 3% are trucks.

How long is 24 Mile Road over N B Clinton River?

The structure is 200 ft (60.9 m) long with a longest span of 98 ft (29.8 m) and a deck 54 ft wide.

Who owns 24 Mile Road over N B Clinton River?

It is owned by the County Highway Agency.