US Bridges

Cth Ss over Chetek River

Fair

Barron County, Wisconsin · 0.2M S JCT Cth I · Structure no. B03072500000000

Built
1928
97 years old, rebuilt 1980
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
121 ft
2 main spans
Daily traffic
2,450
2023 count
Owner
County
County Highway Agency

About this bridge

Cth Ss over Chetek River is a prestressed concrete stringer/multi-beam or girder carrying Cth Ss over Chetek River in Barron County, Wisconsin. It was built in 1928 and reconstructed in 1980, so it is 97 years old, older 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 2,450 vehicles a day, projected to reach 3,000 by 2043. The structure is 121 ft (36.9 m) long and 36 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCth Ss
CrossesChetek River
Location0.2M S JCT Cth I
RouteCounty Highway 0SS
Coordinates45.30833, -91.64861
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 rating51.8 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length121 ft (36.9 m)
Longest span57 ft (17.5 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,450 (2023)
Projected traffic3,000 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Ss over Chetek River built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1980.

What condition is Cth Ss over Chetek 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 July 2023.

How much traffic does Cth Ss over Chetek River carry?

About 2,450 vehicles per day (2023 count).

How long is Cth Ss over Chetek River?

The structure is 121 ft (36.9 m) long with a longest span of 57 ft (17.5 m) and a deck 36 ft wide.

Who owns Cth Ss over Chetek River?

It is owned by the County Highway Agency.