US Bridges

Plett RD over Clam River

Good

Wexford County, Michigan · N of 13th Street · Structure no. 000000000013631

Built
2012
13 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
6,000
2011 count
Owner
County
County Highway Agency

About this bridge

Plett RD over Clam River is a concrete culvert carrying Plett RD over Clam River in Wexford County, Michigan. It was built in 2012, so it is 13 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 6,000 vehicles a day, roughly 6% of them trucks, projected to reach 8,081 by 2031. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPlett RD
CrossesClam River
LocationN of 13th Street
RouteCounty Highway 0
Coordinates44.26731, -85.39653
Functional classUrban Local

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating58.2 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length22 ft (6.8 m)
Longest span20 ft (6.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2011)
Projected traffic8,081 by 2031
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Plett RD over Clam River built?

It was built in 2012, making it 13 years old in 2025.

What condition is Plett RD over Clam River 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 July 2024.

How much traffic does Plett RD over Clam River carry?

About 6,000 vehicles per day (2011 count), of which roughly 6% are trucks.

How long is Plett RD over Clam River?

The structure is 22 ft (6.8 m) long with a longest span of 20 ft (6.2 m).

Who owns Plett RD over Clam River?

It is owned by the County Highway Agency.