US Bridges

Cribbins Road over Unnamed Creek

Good

St. Clair County, Michigan · Sec. 30 Clyde Twp. · Structure no. 000000000010100

Built
1940
85 years old, rebuilt 2018
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
23 ft
1 main span
Daily traffic
385
1994 count
Owner
County
County Highway Agency

About this bridge

Cribbins Road over Unnamed Creek is a steel stringer/multi-beam or girder carrying Cribbins Road over Unnamed Creek in St. Clair County, Michigan. It was built in 1940 and reconstructed in 2018, so it is 85 years old, older 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 385 vehicles a day, roughly 3% of them trucks, projected to reach 390 by 2014. The structure is 23 ft (6.9 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCribbins Road
CrossesUnnamed Creek
LocationSec. 30 Clyde Twp.
RouteCounty Highway 0
Coordinates43.00638, -82.63244
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating87.9 US tons
Inventory rating67.9 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadGreater than HL 93
Structure length23 ft (6.9 m)
Longest span21 ft (6.3 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic385 (1994)
Projected traffic390 by 2014
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$10,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Cribbins Road over Unnamed Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2018.

What condition is Cribbins Road over Unnamed 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 May 2024.

How much traffic does Cribbins Road over Unnamed Creek carry?

About 385 vehicles per day (1994 count), of which roughly 3% are trucks.

How long is Cribbins Road over Unnamed Creek?

The structure is 23 ft (6.9 m) long with a longest span of 21 ft (6.3 m) and a deck 25 ft wide.

Who owns Cribbins Road over Unnamed Creek?

It is owned by the County Highway Agency.