US Bridges

Cth D (sumner St) over Lake Chetek

Fair

Barron County, Wisconsin · 0.2M N JCT Cth D to W · Structure no. B03003600000000

Built
1973
52 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
684 ft
5 main spans
Daily traffic
6,800
2021 count
Owner
State
State Highway Agency

About this bridge

Cth D (sumner St) over Lake Chetek is a steel continuous stringer/multi-beam or girder carrying Cth D (sumner St) over Lake Chetek in Barron County, Wisconsin. It was built in 1973, so it is 52 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 6,800 vehicles a day, projected to reach 8,160 by 2042. The structure is 684 ft (208.6 m) long and 41 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesCth D (sumner St)
CrossesLake Chetek
Location0.2M N JCT Cth D to W
RouteCounty Highway 0D
CountyBarron County
StateWisconsin
Coordinates45.32374, -91.64984
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating77.4 US tons
Inventory rating46.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length684 ft (208.6 m)
Longest span148 ft (45.1 m)
Deck width41 ft (12.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,800 (2021)
Projected traffic8,160 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 D (sumner St) over Lake Chetek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Cth D (sumner St) over Lake Chetek 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 May 2023.

How much traffic does Cth D (sumner St) over Lake Chetek carry?

About 6,800 vehicles per day (2021 count).

How long is Cth D (sumner St) over Lake Chetek?

The structure is 684 ft (208.6 m) long with a longest span of 148 ft (45.1 m) and a deck 41 ft wide.

Who owns Cth D (sumner St) over Lake Chetek?

It is owned by the State Highway Agency.