US Bridges

34 Mile Road over Little Cedar River

Fair

Menominee County, Michigan · 4 Mi. W of Nadeau · Structure no. 000000000006869

Built
1936
89 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
22 ft
1 main span
Daily traffic
20
2005 count
Owner
County
County Highway Agency

About this bridge

34 Mile Road over Little Cedar River is a steel stringer/multi-beam or girder carrying 34 Mile Road over Little Cedar River in Menominee County, Michigan. It was built in 1936, so it is 89 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 20 vehicles a day, projected to reach 25 by 2019. The structure is 22 ft (6.7 m) long and 17 ft wide. If it were closed, the detour would be 124.3 mi (200 km).

Location

Open in Google Maps
Carries34 Mile Road
CrossesLittle Cedar River
Location4 Mi. W of Nadeau
RouteCounty Highway 0
CountyMenominee County
StateMichigan
Coordinates45.60854, -87.63366
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 rating51 US tons
Inventory rating30.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length22 ft (6.7 m)
Longest span18 ft (5.4 m)
Deck width17 ft (5.3 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2005)
Projected traffic25 by 2019
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed124.3 mi (200 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 34 Mile Road over Little Cedar River built?

It was built in 1936, making it 89 years old in 2025.

What condition is 34 Mile 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 34 Mile Road over Little Cedar River carry?

About 20 vehicles per day (2005 count).

How long is 34 Mile Road over Little Cedar River?

The structure is 22 ft (6.7 m) long with a longest span of 18 ft (5.4 m) and a deck 17 ft wide.

Who owns 34 Mile Road over Little Cedar River?

It is owned by the County Highway Agency.