US Bridges

Cth Cw over Ashippun River

Good

Waukesha County, Wisconsin · 1.6 M W. Jct. Sth 67 · Structure no. B67034600000000

Built
2015
10 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete
Length
37 ft
1 main span
Daily traffic
2,500
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Cw over Ashippun River is a concrete slab carrying Cth Cw over Ashippun River in Waukesha 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 2,500 vehicles a day, roughly 5% of them trucks, projected to reach 3,000 by 2042. The structure is 37 ft (11.2 m) long and 41 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesCth Cw
CrossesAshippun River
Location1.6 M W. Jct. Sth 67
RouteCounty Highway 0CW
Coordinates43.17768, -88.53584
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 inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length37 ft (11.2 m)
Longest span34 ft (10.4 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2022)
Projected traffic3,000 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 Cw over Ashippun River built?

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

What condition is Cth Cw over Ashippun 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 September 2023.

How much traffic does Cth Cw over Ashippun River carry?

About 2,500 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Cth Cw over Ashippun River?

The structure is 37 ft (11.2 m) long with a longest span of 34 ft (10.4 m) and a deck 41 ft wide.

Who owns Cth Cw over Ashippun River?

It is owned by the County Highway Agency.