US Bridges

Cth Jj (bluemound over Cth F

Fair

Waukesha County, Wisconsin · 0.7M E JCT Cth J · Structure no. B67021500000000

Built
1989
36 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
960 ft
8 main spans
Daily traffic
12,300
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Jj (bluemound over Cth F is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth Jj (bluemound over Cth F in Waukesha County, Wisconsin. It was built in 1989, so it is 36 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 12,300 vehicles a day, projected to reach 14,760 by 2042. The structure is 960 ft (292.6 m) long and 60 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesCth Jj (bluemound
CrossesCth F
Location0.7M E JCT Cth J
RouteCounty Highway 0JJ
CountyWaukesha County
StateWisconsin
Coordinates43.03818, -88.21145
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length960 ft (292.6 m)
Longest span129 ft (39.3 m)
Deck width60 ft (18.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,300 (2022)
Projected traffic14,760 by 2042
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway, waterway and railroad
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemYes

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$7.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth Jj (bluemound over Cth F built?

It was built in 1989, making it 36 years old in 2025.

What condition is Cth Jj (bluemound over Cth F in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does Cth Jj (bluemound over Cth F carry?

About 12,300 vehicles per day (2022 count).

How long is Cth Jj (bluemound over Cth F?

The structure is 960 ft (292.6 m) long with a longest span of 129 ft (39.3 m) and a deck 60 ft wide.

Who owns Cth Jj (bluemound over Cth F?

It is owned by the County Highway Agency.