US Bridges

Cth J over Tamarack Creek

Good

Buffalo County, Wisconsin · 0.1M S JCT Cth D to E · Structure no. B06008600000000

Built
1990
35 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
44 ft
1 main span
Daily traffic
217
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 1990, so it is 35 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 217 vehicles a day, roughly 11% of them trucks, projected to reach 238 by 2043. The structure is 44 ft (13.4 m) long and 28 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCth J
CrossesTamarack Creek
Location0.1M S JCT Cth D to E
RouteCounty Highway 0J
Coordinates44.46028, -91.79722
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 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum 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 rating73.9 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span42 ft (12.8 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic217 (2022)
Projected traffic238 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 1990, making it 35 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 October 2024.

How much traffic does Cth J over Tamarack Creek carry?

About 217 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Cth J over Tamarack Creek?

The structure is 44 ft (13.4 m) long with a longest span of 42 ft (12.8 m) and a deck 28 ft wide.

Who owns Cth J over Tamarack Creek?

It is owned by the County Highway Agency.