US Bridges

Cth Q / County Lin over Oconomowoc River

Good

Waukesha County, Wisconsin · 0.4M E JCT Cth E · Structure no. B67037300000000

Built
2018
7 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
39 ft
1 main span
Daily traffic
3,100
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Q / County Lin over Oconomowoc River is a prestressed concrete box beam or girders - multiple carrying Cth Q / County Lin over Oconomowoc River in Waukesha County, Wisconsin. It was built in 2018, so it is 7 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 3,100 vehicles a day, roughly 13% of them trucks, projected to reach 3,720 by 2042. The structure is 39 ft (11.9 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCth Q / County Lin
CrossesOconomowoc River
Location0.4M E JCT Cth E
RouteCounty Highway 0Q
Coordinates43.19289, -88.33822
Functional classUrban Other Principal Arterial

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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length39 ft (11.9 m)
Longest span35 ft (10.7 m)
Deck width48 ft (14.6 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2022)
Projected traffic3,720 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Q / County Lin over Oconomowoc River built?

It was built in 2018, making it 7 years old in 2025.

What condition is Cth Q / County Lin over Oconomowoc 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 December 2024.

How much traffic does Cth Q / County Lin over Oconomowoc River carry?

About 3,100 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is Cth Q / County Lin over Oconomowoc River?

The structure is 39 ft (11.9 m) long with a longest span of 35 ft (10.7 m) and a deck 48 ft wide.

Who owns Cth Q / County Lin over Oconomowoc River?

It is owned by the County Highway Agency.