US Bridges

Cth S over Yellow River

PoorPosted for load

Chippewa County, Wisconsin · 0.8 M W Cth H · Structure no. B09000900000000

Built
1955
70 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
213 ft
3 main spans
Daily traffic
220
2023 count
Owner
County
County Highway Agency

About this bridge

Cth S over Yellow River is a steel continuous stringer/multi-beam or girder carrying Cth S over Yellow River in Chippewa County, Wisconsin. It was built in 1955, so it is 70 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 220 vehicles a day, projected to reach 233 by 2043. The structure is 213 ft (64.9 m) long and 27 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesCth S
CrossesYellow River
Location0.8 M W Cth H
RouteCounty Highway 0S
Coordinates45.13731, -90.94253
Functional classRural Minor 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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.4 US tons
Inventory rating17.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length213 ft (64.9 m)
Longest span80 ft (24.4 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2023)
Projected traffic233 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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$984,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth S over Yellow River built?

It was built in 1955, making it 70 years old in 2025.

What condition is Cth S 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 August 2024.

How much traffic does Cth S over Yellow River carry?

About 220 vehicles per day (2023 count).

How long is Cth S over Yellow River?

The structure is 213 ft (64.9 m) long with a longest span of 80 ft (24.4 m) and a deck 27 ft wide.

Who owns Cth S over Yellow River?

It is owned by the County Highway Agency.