US Bridges

Cth N over Crawfish River

Fair

Columbia County, Wisconsin · 3.1M S JCT Sth 60 · Structure no. B11016400000000

Built
2014
11 years old
Condition
Fair
inspected August 2024
Type
Culvert
Steel
Length
24 ft
1 main span
Daily traffic
268
2022 count
Owner
County
County Highway Agency

About this bridge

Cth N over Crawfish River is a steel culvert carrying Cth N over Crawfish River in Columbia County, Wisconsin. It was built in 2014, so it is 11 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 6 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 268 vehicles a day, projected to reach 294 by 2043. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCth N
CrossesCrawfish River
Location3.1M S JCT Sth 60
RouteCounty Highway 0N
CountyColumbia County
StateWisconsin
Coordinates43.30178, -89.20713
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.6 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckSteel plate
Main spans1
Design loadHL 93
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic268 (2022)
Projected traffic294 by 2043
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 N over Crawfish River built?

It was built in 2014, making it 11 years old in 2025.

What condition is Cth N over Crawfish 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 August 2024.

How much traffic does Cth N over Crawfish River carry?

About 268 vehicles per day (2022 count).

How long is Cth N over Crawfish River?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m).

Who owns Cth N over Crawfish River?

It is owned by the County Highway Agency.