US Bridges

Cth B River ST over Carr Creek

Fair

St. Croix County, Wisconsin · 0.1M S JCT Cth Bb · Structure no. B55006400000000

Built
1968
57 years old
Condition
Fair
inspected November 2024
Type
Frame
Concrete Continuous
Length
49 ft
1 main span
Daily traffic
1,700
2022 count
Owner
County
County Highway Agency

About this bridge

Cth B River ST over Carr Creek is a concrete continuous frame carrying Cth B River ST over Carr Creek in St. Croix County, Wisconsin. It was built in 1968, so it is 57 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 1,700 vehicles a day, projected to reach 1,856 by 2043. The structure is 49 ft (14.8 m) long and 54 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCth B River ST
CrossesCarr Creek
Location0.1M S JCT Cth Bb
RouteCounty Highway 0B
Coordinates44.95236, -92.28977
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating28.5 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length49 ft (14.8 m)
Longest span45 ft (13.6 m)
Deck width54 ft (16.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2022)
Projected traffic1,856 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCity or Municipal 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 River ST over Carr Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Cth B River ST over Carr Creek 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 November 2024.

How much traffic does Cth B River ST over Carr Creek carry?

About 1,700 vehicles per day (2022 count).

How long is Cth B River ST over Carr Creek?

The structure is 49 ft (14.8 m) long with a longest span of 45 ft (13.6 m) and a deck 54 ft wide.

Who owns Cth B River ST over Carr Creek?

It is owned by the County Highway Agency and maintained by the City or Municipal Highway Agency.