US Bridges

Cth F over Bark River

Fair

Jefferson County, Wisconsin · 2.5M N JCT Sth 106 to E · Structure no. B28000300000000

Built
1950
75 years old, rebuilt 1991
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
99 ft
2 main spans
Daily traffic
600
2022 count
Owner
County
County Highway Agency

About this bridge

Cth F over Bark River is a steel continuous stringer/multi-beam or girder carrying Cth F over Bark River in Jefferson County, Wisconsin. It was built in 1950 and reconstructed in 1991, 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 fair condition with a lowest component rating of 6 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 600 vehicles a day, projected to reach 788 by 2043. The structure is 99 ft (30.3 m) long and 28 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesCth F
CrossesBark River
Location2.5M N JCT Sth 106 to E
RouteCounty Highway 0F
CountyJefferson County
StateWisconsin
Coordinates42.97131, -88.63511
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating62.8 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length99 ft (30.3 m)
Longest span48 ft (14.6 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2022)
Projected traffic788 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 F over Bark River built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1991.

What condition is Cth F over Bark 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 2024.

How much traffic does Cth F over Bark River carry?

About 600 vehicles per day (2022 count).

How long is Cth F over Bark River?

The structure is 99 ft (30.3 m) long with a longest span of 48 ft (14.6 m) and a deck 28 ft wide.

Who owns Cth F over Bark River?

It is owned by the County Highway Agency.