US Bridges

Cth II over Buffalo River

Fair

Buffalo County, Wisconsin · 0.1M N JCT Sth 37 · Structure no. B06004200000000

Built
1975
50 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
255 ft
3 main spans
Daily traffic
195
2022 count
Owner
County
County Highway Agency

About this bridge

Cth II over Buffalo River is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth II over Buffalo River in Buffalo County, Wisconsin. It was built in 1975, so it is 50 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 195 vehicles a day, projected to reach 214 by 2043. The structure is 255 ft (77.7 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCth II
CrossesBuffalo River
Location0.1M N JCT Sth 37
RouteCounty Highway 0II
CountyBuffalo County
StateWisconsin
Coordinates44.38167, -91.86722
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 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 rating57.7 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length255 ft (77.7 m)
Longest span85 ft (25.8 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic195 (2022)
Projected traffic214 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 II over Buffalo River built?

It was built in 1975, making it 50 years old in 2025.

What condition is Cth II 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 November 2024.

How much traffic does Cth II over Buffalo River carry?

About 195 vehicles per day (2022 count).

How long is Cth II over Buffalo River?

The structure is 255 ft (77.7 m) long with a longest span of 85 ft (25.8 m) and a deck 32 ft wide.

Who owns Cth II over Buffalo River?

It is owned by the County Highway Agency.