US Bridges

Cth K over Williams Creek

Good

Iowa County, Wisconsin · 1.36M N JCT Cth H to Midd · Structure no. B25016800000000

Built
2015
10 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete Continuous
Length
89 ft
2 main spans
Daily traffic
610
2022 count
Owner
County
County Highway Agency

About this bridge

Cth K over Williams Creek is a concrete continuous slab carrying Cth K over Williams Creek in Iowa County, Wisconsin. It was built in 2015, so it is 10 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 610 vehicles a day, roughly 7% of them trucks, projected to reach 732 by 2042. The structure is 89 ft (27 m) long and 36 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

CarriesCth K
CrossesWilliams Creek
Location1.36M N JCT Cth H to Midd
RouteCounty Highway 0K
Coordinates42.95681, -89.896
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length89 ft (27 m)
Longest span43 ft (13.1 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic610 (2022)
Projected traffic732 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 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 K over Williams Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is Cth K over Williams 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 July 2024.

How much traffic does Cth K over Williams Creek carry?

About 610 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Cth K over Williams Creek?

The structure is 89 ft (27 m) long with a longest span of 43 ft (13.1 m) and a deck 36 ft wide.

Who owns Cth K over Williams Creek?

It is owned by the County Highway Agency.