US Bridges

38.5 MI Road over Big Cedar River

Fair

Menominee County, Michigan · 6.5 MI E Powers · Structure no. 000000000006846

Built
1928
97 years old, rebuilt 1988
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
10
2005 count
Owner
County
County Highway Agency

About this bridge

38.5 MI Road over Big Cedar River is a prestressed concrete box beam or girders - multiple carrying 38.5 MI Road over Big Cedar River in Menominee County, Michigan. It was built in 1928 and reconstructed in 1988, so it is 97 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 5 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 10 vehicles a day, projected to reach 15 by 2019. The structure is 61 ft (18.6 m) long and 16 ft wide. If it were closed, the detour would be 124.9 mi (201 km).

Carries38.5 MI Road
CrossesBig Cedar River
Location6.5 MI E Powers
RouteCounty Highway 0
Coordinates45.67412, -87.39266
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span59 ft (17.9 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2005)
Projected traffic15 by 2019
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed124.9 mi (201 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 38.5 MI Road over Big Cedar River built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1988.

What condition is 38.5 MI Road over Big 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 38.5 MI Road over Big Cedar River carry?

About 10 vehicles per day (2005 count).

How long is 38.5 MI Road over Big Cedar River?

The structure is 61 ft (18.6 m) long with a longest span of 59 ft (17.9 m) and a deck 16 ft wide.

Who owns 38.5 MI Road over Big Cedar River?

It is owned by the County Highway Agency.