US Bridges

Cth M over S Fk Main Creek

Fair

Rusk County, Wisconsin · 1.3M S JCT Ush 8--28 · Structure no. P54005700000000

Built
1981
44 years old
Condition
Fair
inspected July 2024
Type
Channel Beam
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
388
2024 count
Owner
County
County Highway Agency

About this bridge

Cth M over S Fk Main Creek is a prestressed concrete channel beam carrying Cth M over S Fk Main Creek in Rusk County, Wisconsin. It was built in 1981, so it is 44 years old, older than the Wisconsin average of 40.3 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 388 vehicles a day, projected to reach 416 by 2043. The structure is 31 ft (9.4 m) long and 30 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesCth M
CrossesS Fk Main Creek
Location1.3M S JCT Ush 8--28
RouteCounty Highway 0M
Coordinates45.49528, -90.71972
Functional classRural Minor 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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating37.5 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic388 (2024)
Projected traffic416 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 Cth M over S Fk Main Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Cth M over S Fk Main Creek 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 July 2024.

How much traffic does Cth M over S Fk Main Creek carry?

About 388 vehicles per day (2024 count).

How long is Cth M over S Fk Main Creek?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 30 ft wide.

Who owns Cth M over S Fk Main Creek?

It is owned by the County Highway Agency.