US Bridges

12 Mile Road over Bear Creek

Fair

Macomb County, Michigan · 0.25 MI East of Mound RD · Structure no. 000000000006186

Built
1955
70 years old
Condition
Fair
inspected April 2024
Type
Culvert
Steel
Length
24 ft
1 main span
Daily traffic
19,562
2011 count
Owner
County
County Highway Agency

About this bridge

12 Mile Road over Bear Creek is a steel culvert carrying 12 Mile Road over Bear Creek in Macomb County, Michigan. It was built in 1955, so it is 70 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 19,562 vehicles a day, roughly 10% of them trucks, projected to reach 23,866 by 2031. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries12 Mile Road
CrossesBear Creek
Location0.25 MI East of Mound RD
RouteCounty Highway 2058
CountyMacomb County
StateMichigan
Coordinates42.50609, -83.04221
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadH 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,562 (2011)
Projected traffic23,866 by 2031
Trucks10%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 12 Mile Road over Bear Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is 12 Mile Road over Bear Creek 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 April 2024.

How much traffic does 12 Mile Road over Bear Creek carry?

About 19,562 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is 12 Mile Road over Bear Creek?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m).

Who owns 12 Mile Road over Bear Creek?

It is owned by the County Highway Agency.