US Bridges

Cth W over Seeley Creek

Fair

Sauk County, Wisconsin · 1.7M E JCT Cth D · Structure no. B56011300000000

Built
1992
33 years old
Condition
Fair
inspected September 2024
Type
Slab
Wood or Timber
Length
44 ft
2 main spans
Daily traffic
293
2024 count
Owner
County
County Highway Agency

About this bridge

Cth W over Seeley Creek is a wood or timber slab carrying Cth W over Seeley Creek in Sauk County, Wisconsin. It was built in 1992, so it is 33 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 293 vehicles a day, projected to reach 322 by 2043. The structure is 44 ft (13.4 m) long and 28 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesCth W
CrossesSeeley Creek
Location1.7M E JCT Cth D
RouteCounty Highway 0W
CountySauk County
StateWisconsin
Coordinates43.41658, -89.94944
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating62.8 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span22 ft (6.7 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic293 (2024)
Projected traffic322 by 2043
Trucks0%
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 1992, making it 33 years old in 2025.

What condition is Cth W over Seeley Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Cth W over Seeley Creek carry?

About 293 vehicles per day (2024 count).

How long is Cth W over Seeley Creek?

The structure is 44 ft (13.4 m) long with a longest span of 22 ft (6.7 m) and a deck 28 ft wide.

Who owns Cth W over Seeley Creek?

It is owned by the County Highway Agency.