US Bridges

Cth Jj (capitol DR over Coco Creek

Poor

Waukesha County, Wisconsin · 0.7M W JCT Cth Kf · Structure no. P67092200000000

Built
1940
85 years old
Condition
Poor
inspected September 2024
Type
Culvert
Steel
Length
25 ft
3 main spans
Daily traffic
1,900
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Jj (capitol DR over Coco Creek is a steel culvert carrying Cth Jj (capitol DR over Coco Creek in Waukesha County, Wisconsin. It was built in 1940, so it is 85 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,900 vehicles a day, projected to reach 2,280 by 2042. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesCth Jj (capitol DR
CrossesCoco Creek
Location0.7M W JCT Cth Kf
RouteCounty Highway 0JJ
CountyWaukesha County
StateWisconsin
Coordinates43.09289, -88.28606
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadH 15
Structure length25 ft (7.7 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2022)
Projected traffic2,280 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$195,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth Jj (capitol DR over Coco Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Cth Jj (capitol DR over Coco Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Cth Jj (capitol DR over Coco Creek carry?

About 1,900 vehicles per day (2022 count).

How long is Cth Jj (capitol DR over Coco Creek?

The structure is 25 ft (7.7 m) long with a longest span of 7 ft (2.1 m).

Who owns Cth Jj (capitol DR over Coco Creek?

It is owned by the County Highway Agency.