US Bridges

Cth Bb over Buffalo River

FairPosted for load

Buffalo County, Wisconsin · 0.3M S JCT Ush 10 · Structure no. B06003900000000

Built
1969
56 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
171 ft
3 main spans
Daily traffic
542
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Bb over Buffalo River is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth Bb over Buffalo River in Buffalo County, Wisconsin. It was built in 1969, so it is 56 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. Its operating status is: posted for other load-capacity restriction.

It carries about 542 vehicles a day, projected to reach 596 by 2043. The structure is 171 ft (52.2 m) long and 35 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCth Bb
CrossesBuffalo River
Location0.3M S JCT Ush 10
RouteCounty Highway 0BB
Coordinates44.57028, -91.59361
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be 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 rating32.4 US tons
Inventory rating19.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length171 ft (52.2 m)
Longest span57 ft (17.4 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic542 (2022)
Projected traffic596 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Bb over Buffalo River built?

It was built in 1969, making it 56 years old in 2025.

What condition is Cth Bb over 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 2024.

How much traffic does Cth Bb over Buffalo River carry?

About 542 vehicles per day (2022 count).

How long is Cth Bb over Buffalo River?

The structure is 171 ft (52.2 m) long with a longest span of 57 ft (17.4 m) and a deck 35 ft wide.

Who owns Cth Bb over Buffalo River?

It is owned by the County Highway Agency.