US Bridges

Cth J over Tamarack Creek

Good

Buffalo County, Wisconsin · 0.5M N JCT Cth D · Structure no. B06015200000000

Built
2005
20 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
136
2022 count
Owner
County
County Highway Agency

About this bridge

Cth J over Tamarack Creek is a concrete slab carrying Cth J over Tamarack Creek in Buffalo County, Wisconsin. It was built in 2005, so it is 20 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 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 136 vehicles a day, roughly 4% of them trucks, projected to reach 149 by 2043. The structure is 27 ft (8.1 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCth J
CrossesTamarack Creek
Location0.5M N JCT Cth D
RouteCounty Highway 0J
Coordinates44.47472, -91.81222
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length27 ft (8.1 m)
Longest span24 ft (7.3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic136 (2022)
Projected traffic149 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Tamarack Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Cth J over Tamarack 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 November 2024.

How much traffic does Cth J over Tamarack Creek carry?

About 136 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Cth J over Tamarack Creek?

The structure is 27 ft (8.1 m) long with a longest span of 24 ft (7.3 m) and a deck 32 ft wide.

Who owns Cth J over Tamarack Creek?

It is owned by the County Highway Agency.