US Bridges

Cribbins Road over Silver Creek

Good

St. Clair County, Michigan · Sec. 7 Grant Twp. · Structure no. 000000000010170

Built
1999
26 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
400
1998 count
Owner
County
County Highway Agency

About this bridge

Cribbins Road over Silver Creek is a prestressed concrete box beam or girders - multiple carrying Cribbins Road over Silver Creek in St. Clair County, Michigan. It was built in 1999, so it is 26 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 400 vehicles a day, roughly 3% of them trucks, projected to reach 650 by 2018. The structure is 62 ft (19 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCribbins Road
CrossesSilver Creek
LocationSec. 7 Grant Twp.
RouteCounty Highway 0
Coordinates43.14358, -82.64172
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating89.3 US tons
Inventory rating53.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length62 ft (19 m)
Longest span58 ft (17.7 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (1998)
Projected traffic650 by 2018
Trucks3%
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 Cribbins Road over Silver Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Cribbins Road over Silver 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 December 2024.

How much traffic does Cribbins Road over Silver Creek carry?

About 400 vehicles per day (1998 count), of which roughly 3% are trucks.

How long is Cribbins Road over Silver Creek?

The structure is 62 ft (19 m) long with a longest span of 58 ft (17.7 m) and a deck 34 ft wide.

Who owns Cribbins Road over Silver Creek?

It is owned by the County Highway Agency.