US Bridges

Cth Y over Plum Creek

Good

Sauk County, Wisconsin · 0.08M E JCT Penshorn RD · Structure no. P56026200000000

Built
2001
24 years old
Condition
Good
inspected January 2025
Type
Slab
Wood or Timber
Length
24 ft
1 main span
Daily traffic
175
2024 count
Owner
County
County Highway Agency

About this bridge

Cth Y over Plum Creek is a wood or timber slab carrying Cth Y over Plum Creek in Sauk County, Wisconsin. It was built in 2001, so it is 24 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 175 vehicles a day, projected to reach 192 by 2044. The structure is 24 ft (7.3 m) long and 30 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesCth Y
CrossesPlum Creek
Location0.08M E JCT Penshorn RD
RouteCounty Highway 0Y
Coordinates43.61487, -90.27968
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2024)
Projected traffic192 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 Y over Plum Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is Cth Y over Plum 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 January 2025.

How much traffic does Cth Y over Plum Creek carry?

About 175 vehicles per day (2024 count).

How long is Cth Y over Plum Creek?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 30 ft wide.

Who owns Cth Y over Plum Creek?

It is owned by the County Highway Agency.