US Bridges

Cth B over Badfish Creek

Fair

Dane County, Wisconsin · 3.5M W JCT Ush 51 · Structure no. P13090300000000

Built
1943
82 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
3,100
2021 count
Owner
County
County Highway Agency

About this bridge

Cth B over Badfish Creek is a concrete continuous culvert carrying Cth B over Badfish Creek in Dane County, Wisconsin. It was built in 1943, so it is 82 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 3,100 vehicles a day, projected to reach 3,720 by 2041. The structure is 24 ft (7.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCth B
CrossesBadfish Creek
Location3.5M W JCT Ush 51
RouteCounty Highway 0B
Coordinates42.96811, -89.35044
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length24 ft (7.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2021)
Projected traffic3,720 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Badfish Creek built?

It was built in 1943, making it 82 years old in 2025.

What condition is Cth B over Badfish Creek 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 September 2024.

How much traffic does Cth B over Badfish Creek carry?

About 3,100 vehicles per day (2021 count).

How long is Cth B over Badfish Creek?

The structure is 24 ft (7.4 m) long with a longest span of 10 ft (3 m).

Who owns Cth B over Badfish Creek?

It is owned by the County Highway Agency.