US Bridges

Cth D over Bark River

Poor

Jefferson County, Wisconsin · 3.3M N JCT Sth 59 · Structure no. B28000600000000

Built
1950
75 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
200 ft
3 main spans
Daily traffic
1,500
2022 count
Owner
County
County Highway Agency

About this bridge

Cth D over Bark River is a steel continuous stringer/multi-beam or girder carrying Cth D over Bark River in Jefferson County, Wisconsin. It was built in 1950, so it is 75 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.

It carries about 1,500 vehicles a day, projected to reach 1,800 by 2042. The structure is 200 ft (61 m) long and 27 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesCth D
CrossesBark River
Location3.3M N JCT Sth 59
RouteCounty Highway 0D
CountyJefferson County
StateWisconsin
Coordinates42.89439, -88.70171
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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 12 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.6 US tons
Inventory rating21.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length200 ft (61 m)
Longest span75 ft (22.9 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2022)
Projected traffic1,800 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth D over Bark River built?

It was built in 1950, making it 75 years old in 2025.

What condition is Cth D over Bark 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 July 2024.

How much traffic does Cth D over Bark River carry?

About 1,500 vehicles per day (2022 count).

How long is Cth D over Bark River?

The structure is 200 ft (61 m) long with a longest span of 75 ft (22.9 m) and a deck 27 ft wide.

Who owns Cth D over Bark River?

It is owned by the County Highway Agency.