US Bridges

Cth B over Carr Creek

Good

St. Croix County, Wisconsin · 1.6M N JCT Cth N · Structure no. B55000700000000

Built
1955
70 years old, rebuilt 2002
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
91 ft
3 main spans
Daily traffic
1,500
2022 count
Owner
County
County Highway Agency

About this bridge

Cth B over Carr Creek is a concrete continuous slab carrying Cth B over Carr Creek in St. Croix County, Wisconsin. It was built in 1955 and reconstructed in 2002, so it is 70 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,500 vehicles a day, projected to reach 1,508 by 2042. The structure is 91 ft (27.7 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCth B
CrossesCarr Creek
Location1.6M N JCT Cth N
RouteCounty Highway 0B
Coordinates44.93032, -92.27823
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
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 evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.9 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length91 ft (27.7 m)
Longest span35 ft (10.7 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2022)
Projected traffic1,508 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 B over Carr Creek built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2002.

What condition is Cth B over Carr Creek 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 2023.

How much traffic does Cth B over Carr Creek carry?

About 1,500 vehicles per day (2022 count).

How long is Cth B over Carr Creek?

The structure is 91 ft (27.7 m) long with a longest span of 35 ft (10.7 m) and a deck 27 ft wide.

Who owns Cth B over Carr Creek?

It is owned by the County Highway Agency.