US Bridges

Cth Jj over Br Kinnickinnic River

Fair

St. Croix County, Wisconsin · 0.9M S JCT Cth J · Structure no. P55093300000000

Built
1965
60 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
513
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Jj over Br Kinnickinnic River is a steel stringer/multi-beam or girder carrying Cth Jj over Br Kinnickinnic River in St. Croix County, Wisconsin. It was built in 1965, so it is 60 years old, older 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 6 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 513 vehicles a day, projected to reach 293 by 2042. The structure is 43 ft (13 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCth Jj
CrossesBr Kinnickinnic River
Location0.9M S JCT Cth J
RouteCounty Highway 0JJ
CountySt. Croix County
StateWisconsin
Coordinates44.89874, -92.54166
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.8 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length43 ft (13 m)
Longest span39 ft (11.9 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic513 (2022)
Projected traffic293 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Jj over Br Kinnickinnic River built?

It was built in 1965, making it 60 years old in 2025.

What condition is Cth Jj over Br Kinnickinnic River 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 2023.

How much traffic does Cth Jj over Br Kinnickinnic River carry?

About 513 vehicles per day (2022 count).

How long is Cth Jj over Br Kinnickinnic River?

The structure is 43 ft (13 m) long with a longest span of 39 ft (11.9 m) and a deck 31 ft wide.

Who owns Cth Jj over Br Kinnickinnic River?

It is owned by the County Highway Agency.