US Bridges

12 Mile RD over Pebble Creek

Good

Oakland County, Michigan · Bet Middlebelt and Inkste · Structure no. 000000000008168

Built
1987
38 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
17,358
1990 count
Owner
County
County Highway Agency

About this bridge

12 Mile RD over Pebble Creek is a prestressed concrete box beam or girders - multiple carrying 12 Mile RD over Pebble Creek in Oakland County, Michigan. It was built in 1987, so it is 38 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 17,358 vehicles a day, projected to reach 20,800 by 2017. The structure is 52 ft (15.8 m) long and 75 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries12 Mile RD
CrossesPebble Creek
LocationBet Middlebelt and Inkste
RouteCounty Highway 2059
Coordinates42.50009, -83.3214
Functional classUrban Minor 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.3 US tons
Inventory rating53.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length52 ft (15.8 m)
Longest span50 ft (15.2 m)
Deck width75 ft (22.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,358 (1990)
Projected traffic20,800 by 2017
Trucks0%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 RD over Pebble Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is 12 Mile RD over Pebble Creek 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 July 2024.

How much traffic does 12 Mile RD over Pebble Creek carry?

About 17,358 vehicles per day (1990 count).

How long is 12 Mile RD over Pebble Creek?

The structure is 52 ft (15.8 m) long with a longest span of 50 ft (15.2 m) and a deck 75 ft wide.

Who owns 12 Mile RD over Pebble Creek?

It is owned by the County Highway Agency.