US Bridges

25 Mile Road over Middle Branch Clinton R

Fair

Macomb County, Michigan · 0.25 MI E of Earl Mem HWY · Structure no. 000000000006398

Built
1950
75 years old
Condition
Fair
inspected June 2024
Type
Culvert
Steel
Length
20 ft
1 main span
Daily traffic
14,000
2024 count
Owner
County
County Highway Agency

About this bridge

25 Mile Road over Middle Branch Clinton R is a steel culvert carrying 25 Mile Road over Middle Branch Clinton R in Macomb County, Michigan. It was built in 1950, so it is 75 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 14,000 vehicles a day, roughly 5% of them trucks, projected to reach 15,000 by 2044. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Carries25 Mile Road
CrossesMiddle Branch Clinton R
Location0.25 MI E of Earl Mem HWY
RouteCounty Highway 0
Coordinates42.69854, -83.03039
Functional classUrban Minor 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating25.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadH 15
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,000 (2024)
Projected traffic15,000 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 25 Mile Road over Middle Branch Clinton R built?

It was built in 1950, making it 75 years old in 2025.

What condition is 25 Mile Road over Middle Branch 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 June 2024.

How much traffic does 25 Mile Road over Middle Branch Clinton R carry?

About 14,000 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is 25 Mile Road over Middle Branch Clinton R?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m).

Who owns 25 Mile Road over Middle Branch Clinton R?

It is owned by the County Highway Agency.