US Bridges

Cth M over N Fk Buffalo River

Fair

Jackson County, Wisconsin · 0.3M N JCT Ush 10 · Structure no. B27010400000000

Built
1990
35 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
42 ft
1 main span
Daily traffic
310
2021 count
Owner
County
County Highway Agency

About this bridge

Cth M over N Fk Buffalo River is a concrete slab carrying Cth M over N Fk Buffalo River in Jackson County, Wisconsin. It was built in 1990, so it is 35 years old, younger 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 310 vehicles a day, roughly 11% of them trucks, projected to reach 250 by 2042. The structure is 42 ft (12.7 m) long and 32 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesCth M
CrossesN Fk Buffalo River
Location0.3M N JCT Ush 10
RouteCounty Highway 0M
Coordinates44.58758, -91.12
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
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 rating66.6 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length42 ft (12.7 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 traffic310 (2021)
Projected traffic250 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 N Fk Buffalo River built?

It was built in 1990, making it 35 years old in 2025.

What condition is Cth M over N Fk Buffalo 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 October 2023.

How much traffic does Cth M over N Fk Buffalo River carry?

About 310 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is Cth M over N Fk Buffalo River?

The structure is 42 ft (12.7 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.

Who owns Cth M over N Fk Buffalo River?

It is owned by the County Highway Agency.