US Bridges

Cth K over Yellow River

PoorPosted for load

Chippewa County, Wisconsin · 0.5 M NW 72nd Avenue · Structure no. B09049700000000

Built
1942
83 years old, rebuilt 1985
Condition
Poor
inspected September 2024
Type
Truss - Thru
Steel
Length
155 ft
1 main span
Daily traffic
1,985
2023 count
Owner
County
County Highway Agency

About this bridge

Cth K over Yellow River is a steel truss - thru carrying Cth K over Yellow River in Chippewa County, Wisconsin. It was built in 1942 and reconstructed in 1985, so it is 83 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 4 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. Its operating status is: posted for load restriction.

It carries about 1,985 vehicles a day, projected to reach 2,098 by 2043. The structure is 155 ft (47.1 m) long and 25 ft wide. If it were closed, the detour would be 17.4 mi (28 km).

Location

Open in Google Maps
CarriesCth K
CrossesYellow River
Location0.5 M NW 72nd Avenue
RouteCounty Highway 0K
CountyChippewa County
StateWisconsin
Coordinates44.95281, -91.26708
Functional classRural Major Collector

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.4 US tons
Inventory rating28.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length155 ft (47.1 m)
Longest span150 ft (45.7 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck14 ft (4.2 m)

Traffic and service

Average daily traffic1,985 (2023)
Projected traffic2,098 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed17.4 mi (28 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$823,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth K over Yellow River built?

It was built in 1942, making it 83 years old in 2025. It was reconstructed in 1985.

What condition is Cth K over Yellow 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 September 2024.

How much traffic does Cth K over Yellow River carry?

About 1,985 vehicles per day (2023 count).

How long is Cth K over Yellow River?

The structure is 155 ft (47.1 m) long with a longest span of 150 ft (45.7 m) and a deck 25 ft wide.

Who owns Cth K over Yellow River?

It is owned by the County Highway Agency.