US Bridges

Cth W over Baraboo River

Fair

Juneau County, Wisconsin · 0.2M N JCT Sth 80 · Structure no. B29010600000000

Built
1996
29 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
98 ft
2 main spans
Daily traffic
242
2022 count
Owner
County
County Highway Agency

About this bridge

Cth W over Baraboo River is a concrete continuous slab carrying Cth W over Baraboo River in Juneau County, Wisconsin. It was built in 1996, so it is 29 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 242 vehicles a day, projected to reach 266 by 2042. The structure is 98 ft (30 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCth W
CrossesBaraboo River
Location0.2M N JCT Sth 80
RouteCounty Highway 0W
Coordinates43.68895, -90.2684
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length98 ft (30 m)
Longest span48 ft (14.6 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic242 (2022)
Projected traffic266 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Baraboo River built?

It was built in 1996, making it 29 years old in 2025.

What condition is Cth W over Baraboo River 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 May 2023.

How much traffic does Cth W over Baraboo River carry?

About 242 vehicles per day (2022 count).

How long is Cth W over Baraboo River?

The structure is 98 ft (30 m) long with a longest span of 48 ft (14.6 m) and a deck 30 ft wide.

Who owns Cth W over Baraboo River?

It is owned by the County Highway Agency.