US Bridges

Cth C over Wilson Creek

Good

Sauk County, Wisconsin · 0.1M N JCT Cth Wc · Structure no. B56011900000000

Built
1993
32 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
224
2024 count
Owner
County
County Highway Agency

About this bridge

Cth C over Wilson Creek is a prestressed concrete stringer/multi-beam or girder carrying Cth C over Wilson Creek in Sauk County, Wisconsin. It was built in 1993, so it is 32 years old, younger 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 224 vehicles a day, roughly 10% of them trucks, projected to reach 246 by 2043. The structure is 68 ft (20.8 m) long and 30 ft wide. If it were closed, the detour would be 17.4 mi (28 km).

Location

Open in Google Maps
CarriesCth C
CrossesWilson Creek
Location0.1M N JCT Cth Wc
RouteCounty Highway 0C
CountySauk County
StateWisconsin
Coordinates43.20786, -89.99186
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length68 ft (20.8 m)
Longest span66 ft (20.1 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic224 (2024)
Projected traffic246 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed17.4 mi (28 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 C over Wilson Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is Cth C over Wilson Creek 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 October 2024.

How much traffic does Cth C over Wilson Creek carry?

About 224 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Cth C over Wilson Creek?

The structure is 68 ft (20.8 m) long with a longest span of 66 ft (20.1 m) and a deck 30 ft wide.

Who owns Cth C over Wilson Creek?

It is owned by the County Highway Agency.