US Bridges

Stoney Corner Road over North Branch Clam River

Fair

Missaukee County, Michigan · Section 23/26 T21N R7W · Structure no. 000000000007034

Built
1974
51 years old
Condition
Fair
inspected May 2024
Type
Culvert
Steel
Length
24 ft
1 main span
Daily traffic
600
2007 count
Owner
County
County Highway Agency

About this bridge

Stoney Corner Road over North Branch Clam River is a steel culvert carrying Stoney Corner Road over North Branch Clam River in Missaukee County, Michigan. It was built in 1974, so it is 51 years old, older 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 600 vehicles a day, roughly 10% of them trucks, projected to reach 1,100 by 2027. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesStoney Corner Road
CrossesNorth Branch Clam River
LocationSection 23/26 T21N R7W
RouteCounty Highway 5710
CountyMissaukee County
StateMichigan
Coordinates44.19331, -85.1236
Functional classRural Major Collector

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 inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.8 US tons
Inventory rating51 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length24 ft (7.3 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2007)
Projected traffic1,100 by 2027
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Stoney Corner Road over North Branch Clam River built?

It was built in 1974, making it 51 years old in 2025.

What condition is Stoney Corner Road over North Branch Clam River 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 May 2024.

How much traffic does Stoney Corner Road over North Branch Clam River carry?

About 600 vehicles per day (2007 count), of which roughly 10% are trucks.

How long is Stoney Corner Road over North Branch Clam River?

The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.4 m).

Who owns Stoney Corner Road over North Branch Clam River?

It is owned by the County Highway Agency.