US Bridges

River Road over Little Cedar River

Fair

Menominee County, Michigan · In Stephenson · Structure no. 000000000006883

Built
1978
47 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
89 ft
1 main span
Daily traffic
1,458
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

River Road over Little Cedar River is a prestressed concrete box beam or girders - multiple carrying River Road over Little Cedar River in Menominee County, Michigan. It was built in 1978, so it is 47 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 1,458 vehicles a day, roughly 3% of them trucks, projected to reach 1,500 by 2043. The structure is 89 ft (27.1 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRiver Road
CrossesLittle Cedar River
LocationIn Stephenson
RouteCounty Highway 0
Coordinates45.42072, -87.60403
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating36.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length89 ft (27.1 m)
Longest span85 ft (25.9 m)
Deck width40 ft (12.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,458 (2023)
Projected traffic1,500 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 River Road over Little Cedar River built?

It was built in 1978, making it 47 years old in 2025.

What condition is River Road over Little Cedar 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 June 2023.

How much traffic does River Road over Little Cedar River carry?

About 1,458 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is River Road over Little Cedar River?

The structure is 89 ft (27.1 m) long with a longest span of 85 ft (25.9 m) and a deck 40 ft wide.

Who owns River Road over Little Cedar River?

It is owned by the City or Municipal Highway Agency.