US Bridges

US-10 over Thorn Creek

Fair

Osceola County, Michigan · 0.9 MI NW of Sears · Structure no. 000000000008584

Built
2001
24 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
5,371
2007 count
Owner
State
State Highway Agency

About this bridge

US-10 over Thorn Creek is a concrete culvert carrying US-10 over Thorn Creek in Osceola County, Michigan. It was built in 2001, so it is 24 years old, younger 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 6 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 5,371 vehicles a day, roughly 9% of them trucks, projected to reach 7,238 by 2018. The structure is 28 ft (8.5 m) long.

CarriesUS-10
CrossesThorn Creek
Location0.9 MI NW of Sears
RouteU.S. Route 10
Coordinates43.90309, -85.20094
Functional classRural Principal Arterial - Other

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.3 US tons
Inventory rating38.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,371 (2007)
Projected traffic7,238 by 2018
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US-10 over Thorn Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is US-10 over Thorn 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 March 2024.

How much traffic does US-10 over Thorn Creek carry?

About 5,371 vehicles per day (2007 count), of which roughly 9% are trucks.

How long is US-10 over Thorn Creek?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m).

Who owns US-10 over Thorn Creek?

It is owned by the State Highway Agency.