US Bridges

Cth W over Seeley Creek

Good

Sauk County, Wisconsin · 0.3M E JCT Cth I · Structure no. B56024200000000

Built
2023
2 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
1,130
2023 count
Owner
County
County Highway Agency

About this bridge

Cth W over Seeley Creek is a prestressed concrete stringer/multi-beam or girder carrying Cth W over Seeley Creek in Sauk County, Wisconsin. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,130 vehicles a day, roughly 8% of them trucks, projected to reach 1,243 by 2043. The structure is 82 ft (25.1 m) long and 31 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesCth W
CrossesSeeley Creek
Location0.3M E JCT Cth I
RouteCounty Highway 0W
Coordinates43.44509, -89.85983
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating45.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length82 ft (25.1 m)
Longest span80 ft (24.4 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,130 (2023)
Projected traffic1,243 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 W over Seeley Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Cth W over Seeley 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 2023.

How much traffic does Cth W over Seeley Creek carry?

About 1,130 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Cth W over Seeley Creek?

The structure is 82 ft (25.1 m) long with a longest span of 80 ft (24.4 m) and a deck 31 ft wide.

Who owns Cth W over Seeley Creek?

It is owned by the County Highway Agency.