US Bridges

Cth II over Buffalo River

Good

Buffalo County, Wisconsin · 0.4M N JCT Sth 37 · Structure no. B06004300000000

Built
1978
47 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete
Length
29 ft
1 main span
Daily traffic
195
2022 count
Owner
County
County Highway Agency

About this bridge

Cth II over Buffalo River is a concrete slab carrying Cth II over Buffalo River in Buffalo County, Wisconsin. It was built in 1978, so it is 47 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 195 vehicles a day, projected to reach 214 by 2043. The structure is 29 ft (8.7 m) long and 32 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCth II
CrossesBuffalo River
Location0.4M N JCT Sth 37
RouteCounty Highway 0II
Coordinates44.38444, -91.86889
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length29 ft (8.7 m)
Longest span28 ft (8.5 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 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 II over Buffalo River built?

It was built in 1978, making it 47 years old in 2025.

What condition is Cth II over Buffalo River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. 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 29 ft (8.7 m) long with a longest span of 28 ft (8.5 m) and a deck 32 ft wide.

Who owns Cth II over Buffalo River?

It is owned by the County Highway Agency.