US Bridges

23 Mile Road over N Branch Clinton River

Good

Macomb County, Michigan · 0.2 MI West of North Ave · Structure no. 000000000006209

Built
2013
12 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
206 ft
3 main spans
Daily traffic
18,430
2012 count
Owner
County
County Highway Agency

About this bridge

23 Mile Road over N Branch Clinton River is a prestressed concrete stringer/multi-beam or girder carrying 23 Mile Road over N Branch Clinton River in Macomb County, Michigan. It was built in 2013, so it is 12 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 18,430 vehicles a day, roughly 5% of them trucks, projected to reach 29,644 by 2032. The structure is 206 ft (62.8 m) long and 79 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries23 Mile Road
CrossesN Branch Clinton River
Location0.2 MI West of North Ave
RouteCounty Highway 2058
Coordinates42.67341, -82.88199
Functional classUrban Other Principal Arterial

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating104.3 US tons
Inventory rating55.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadGreater than HL 93
Structure length206 ft (62.8 m)
Longest span84 ft (25.5 m)
Deck width79 ft (24 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,430 (2012)
Projected traffic29,644 by 2032
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 23 Mile Road over N Branch Clinton River built?

It was built in 2013, making it 12 years old in 2025.

What condition is 23 Mile Road over N Branch 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 August 2023.

How much traffic does 23 Mile Road over N Branch Clinton River carry?

About 18,430 vehicles per day (2012 count), of which roughly 5% are trucks.

How long is 23 Mile Road over N Branch Clinton River?

The structure is 206 ft (62.8 m) long with a longest span of 84 ft (25.5 m) and a deck 79 ft wide.

Who owns 23 Mile Road over N Branch Clinton River?

It is owned by the County Highway Agency.