US Bridges

Cth M over Fisher River

Fair

Chippewa County, Wisconsin · 0.5 M SE G & M Int · Structure no. B09010300000000

Built
1979
46 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete Continuous
Length
82 ft
2 main spans
Daily traffic
285
2023 count
Owner
County
County Highway Agency

About this bridge

Cth M over Fisher River is a concrete continuous slab carrying Cth M over Fisher River in Chippewa County, Wisconsin. It was built in 1979, so it is 46 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 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 285 vehicles a day, projected to reach 302 by 2042. The structure is 82 ft (24.9 m) long and 32 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesCth M
CrossesFisher River
Location0.5 M SE G & M Int
RouteCounty Highway 0M
Coordinates45.24378, -91.00258
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
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.2 US tons
Inventory rating30.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length82 ft (24.9 m)
Longest span40 ft (12.2 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic285 (2023)
Projected traffic302 by 2042
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 Fisher River built?

It was built in 1979, making it 46 years old in 2025.

What condition is Cth M over Fisher 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 November 2023.

How much traffic does Cth M over Fisher River carry?

About 285 vehicles per day (2023 count).

How long is Cth M over Fisher River?

The structure is 82 ft (24.9 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.

Who owns Cth M over Fisher River?

It is owned by the County Highway Agency.