US Bridges

Smiths Creek Road over Smiths Creek

Good

St. Clair County, Michigan · Sec 30-31 Kimball Twp · Structure no. 000000000010053

Built
2016
9 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
44 ft
1 main span
Daily traffic
1,080
2016 count
Owner
County
County Highway Agency

About this bridge

Smiths Creek Road over Smiths Creek is a concrete culvert carrying Smiths Creek Road over Smiths Creek in St. Clair County, Michigan. It was built in 2016, so it is 9 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,080 vehicles a day, roughly 10% of them trucks, projected to reach 1,320 by 2036. The structure is 44 ft (13.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSmiths Creek Road
CrossesSmiths Creek
LocationSec 30-31 Kimball Twp
RouteCounty Highway 7756
Coordinates42.91702, -82.60981
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadGreater than HL 93
Structure length44 ft (13.5 m)
Longest span42 ft (12.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,080 (2016)
Projected traffic1,320 by 2036
Trucks10%
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 Smiths Creek Road over Smiths Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is Smiths Creek Road over Smiths 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 November 2024.

How much traffic does Smiths Creek Road over Smiths Creek carry?

About 1,080 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is Smiths Creek Road over Smiths Creek?

The structure is 44 ft (13.5 m) long with a longest span of 42 ft (12.8 m).

Who owns Smiths Creek Road over Smiths Creek?

It is owned by the County Highway Agency.