US Bridges

Sth 40 over Potato Creek

Good

Rusk County, Wisconsin · 1.3M N JCT Cth D · Structure no. B54002900000000

Built
1983
42 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
810
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 40 over Potato Creek is a concrete culvert carrying Sth 40 over Potato Creek in Rusk County, Wisconsin. It was built in 1983, so it is 42 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 810 vehicles a day, roughly 8% of them trucks, projected to reach 972 by 2041. The structure is 26 ft (8 m) long. If it were closed, the detour would be 26.7 mi (43 km).

CarriesSth 40
CrossesPotato Creek
Location1.3M N JCT Cth D
RouteState Highway 40
Coordinates45.35191, -91.35013
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length26 ft (8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic810 (2021)
Projected traffic972 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Sth 40 over Potato Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Sth 40 over Potato 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 April 2024.

How much traffic does Sth 40 over Potato Creek carry?

About 810 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Sth 40 over Potato Creek?

The structure is 26 ft (8 m) long with a longest span of 12 ft (3.7 m).

Who owns Sth 40 over Potato Creek?

It is owned by the State Highway Agency.