US Bridges

Cth O over Unnamed Drainage Ditch

Good

Sauk County, Wisconsin · 0.3M E Clavadatscher RD · Structure no. B56021800000000

Built
2008
17 years old
Condition
Good
inspected September 2024
Type
Slab
Wood or Timber
Length
22 ft
1 main span
Daily traffic
700
2024 count
Owner
County
County Highway Agency

About this bridge

Cth O over Unnamed Drainage Ditch is a wood or timber slab carrying Cth O over Unnamed Drainage Ditch in Sauk County, Wisconsin. It was built in 2008, so it is 17 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 700 vehicles a day, projected to reach 840 by 2041. The structure is 22 ft (6.7 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCth O
CrossesUnnamed Drainage Ditch
Location0.3M E Clavadatscher RD
RouteCounty Highway 0O
Coordinates43.28168, -89.87834
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckOther
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2024)
Projected traffic840 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 O over Unnamed Drainage Ditch built?

It was built in 2008, making it 17 years old in 2025.

What condition is Cth O over Unnamed Drainage Ditch 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 September 2024.

How much traffic does Cth O over Unnamed Drainage Ditch carry?

About 700 vehicles per day (2024 count).

How long is Cth O over Unnamed Drainage Ditch?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 34 ft wide.

Who owns Cth O over Unnamed Drainage Ditch?

It is owned by the County Highway Agency.