US Bridges

Cth O over Tributary Baraboo River

Poor

Juneau County, Wisconsin · 0.2M E Brockman RD · Structure no. P29040000000000

Built
1925
100 years old
Condition
Poor
inspected July 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
1,035
2022 count
Owner
County
County Highway Agency

About this bridge

Cth O over Tributary Baraboo River is a concrete continuous culvert carrying Cth O over Tributary Baraboo River in Juneau County, Wisconsin. It was built in 1925, so it is 100 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,035 vehicles a day, projected to reach 1,138 by 2043. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 23 mi (37 km).

Location

Open in Google Maps
CarriesCth O
CrossesTributary Baraboo River
Location0.2M E Brockman RD
RouteCounty Highway 0O
CountyJuneau County
StateWisconsin
Coordinates43.73884, -90.23547
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length22 ft (6.7 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,035 (2022)
Projected traffic1,138 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$179,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth O over Tributary Baraboo River built?

It was built in 1925, making it 100 years old in 2025.

What condition is Cth O over Tributary Baraboo River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Cth O over Tributary Baraboo River carry?

About 1,035 vehicles per day (2022 count).

How long is Cth O over Tributary Baraboo River?

The structure is 22 ft (6.7 m) long with a longest span of 11 ft (3.4 m).

Who owns Cth O over Tributary Baraboo River?

It is owned by the County Highway Agency.