US Bridges

Decker Road over S Br Lincoln River

Good

Mason County, Michigan · 2.5 MI N 1 MI E of Custer · Structure no. 000000000006680

Built
2017
8 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
547
2017 count
Owner
County
County Highway Agency

About this bridge

Decker Road over S Br Lincoln River is a concrete culvert carrying Decker Road over S Br Lincoln River in Mason County, Michigan. It was built in 2017, so it is 8 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 547 vehicles a day, roughly 5% of them trucks, projected to reach 987 by 2037. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesDecker Road
CrossesS Br Lincoln River
Location2.5 MI N 1 MI E of Custer
RouteCounty Highway 0
Coordinates43.99038, -86.2002
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating66.8 US tons
Inventory rating51.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadGreater than HL 93
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic547 (2017)
Projected traffic987 by 2037
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Decker Road over S Br Lincoln River built?

It was built in 2017, making it 8 years old in 2025.

What condition is Decker Road over S Br Lincoln 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 August 2023.

How much traffic does Decker Road over S Br Lincoln River carry?

About 547 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Decker Road over S Br Lincoln River?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m).

Who owns Decker Road over S Br Lincoln River?

It is owned by the County Highway Agency.