US Bridges

Cth B over Buffalo River

Fair

Buffalo County, Wisconsin · 0.2M E JCT Sth 37 · Structure no. B06003600000000

Built
1967
58 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
268 ft
4 main spans
Daily traffic
553
2022 count
Owner
County
County Highway Agency

About this bridge

Cth B over Buffalo River is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth B over Buffalo River in Buffalo County, Wisconsin. It was built in 1967, so it is 58 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 553 vehicles a day, projected to reach 608 by 2043. The structure is 268 ft (81.7 m) long and 35 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesCth B
CrossesBuffalo River
Location0.2M E JCT Sth 37
RouteCounty Highway 0B
CountyBuffalo County
StateWisconsin
Coordinates44.47111, -91.72472
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 rating30.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length268 ft (81.7 m)
Longest span67 ft (20.4 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic553 (2022)
Projected traffic608 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 B over Buffalo River built?

It was built in 1967, making it 58 years old in 2025.

What condition is Cth B 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 B over Buffalo River carry?

About 553 vehicles per day (2022 count).

How long is Cth B over Buffalo River?

The structure is 268 ft (81.7 m) long with a longest span of 67 ft (20.4 m) and a deck 35 ft wide.

Who owns Cth B over Buffalo River?

It is owned by the County Highway Agency.