US Bridges

Cth E over Oconomowoc River

Good

Waukesha County, Wisconsin · 0.3 MI S JCT Cth Q · Structure no. B67026800000000

Built
2013
12 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
9,400
2022 count
Owner
County
County Highway Agency

About this bridge

Cth E over Oconomowoc River is a concrete culvert carrying Cth E over Oconomowoc River in Waukesha County, Wisconsin. It was built in 2013, so it is 12 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 9,400 vehicles a day, roughly 5% of them trucks, projected to reach 11,280 by 2043. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCth E
CrossesOconomowoc River
Location0.3 MI S JCT Cth Q
RouteCounty Highway 0E
Coordinates43.18918, -88.34166
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,400 (2022)
Projected traffic11,280 by 2043
Trucks5%
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 E over Oconomowoc River built?

It was built in 2013, making it 12 years old in 2025.

What condition is Cth E 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 October 2024.

How much traffic does Cth E over Oconomowoc River carry?

About 9,400 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Cth E over Oconomowoc River?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns Cth E over Oconomowoc River?

It is owned by the County Highway Agency.