US Bridges

Cth J over Bull Brook

Good

Polk County, Wisconsin · 0.8M W JCT Cth Jj · Structure no. B48005200000000

Built
2017
8 years old
Condition
Good
inspected April 2022
Type
Slab
Concrete
Length
50 ft
1 main span
Daily traffic
1,400
2022 count
Owner
County
County Highway Agency

About this bridge

Cth J over Bull Brook is a concrete slab carrying Cth J over Bull Brook in Polk County, Wisconsin. It was built in 2017, so it is 8 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 1,400 vehicles a day, projected to reach 1,400 by 2041. The structure is 50 ft (15.2 m) long and 34 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesCth J
CrossesBull Brook
Location0.8M W JCT Cth Jj
RouteCounty Highway 0J
CountyPolk County
StateWisconsin
Coordinates45.31019, -92.30072
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span48 ft (14.5 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2022)
Projected traffic1,400 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 J over Bull Brook built?

It was built in 2017, making it 8 years old in 2025.

What condition is Cth J over Bull Brook 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 April 2022.

How much traffic does Cth J over Bull Brook carry?

About 1,400 vehicles per day (2022 count).

How long is Cth J over Bull Brook?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.5 m) and a deck 34 ft wide.

Who owns Cth J over Bull Brook?

It is owned by the County Highway Agency.