US Bridges

Cth Vv over Black River

Fair

Jackson County, Wisconsin · 1.0M S JCT Sth 54 · Structure no. B27007900000000

Built
1985
40 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
414 ft
3 main spans
Daily traffic
510
2021 count
Owner
County
County Highway Agency

About this bridge

Cth Vv over Black River is a steel continuous stringer/multi-beam or girder carrying Cth Vv over Black River in Jackson County, Wisconsin. It was built in 1985, so it is 40 years old, younger 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 510 vehicles a day, projected to reach 622 by 2042. The structure is 414 ft (126.2 m) long and 30 ft wide. If it were closed, the detour would be 17.4 mi (28 km).

Location

Open in Google Maps
CarriesCth Vv
CrossesBlack River
Location1.0M S JCT Sth 54
RouteCounty Highway 0VV
CountyJackson County
StateWisconsin
Coordinates44.08367, -91.12506
Functional classRural Local

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 inspectionSeptember 2023
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 alignment6: Equal to present minimum 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 spans3
Design loadHS 20
Structure length414 ft (126.2 m)
Longest span164 ft (50 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2021)
Projected traffic622 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed17.4 mi (28 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 Vv over Black River built?

It was built in 1985, making it 40 years old in 2025.

What condition is Cth Vv over Black 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 September 2023.

How much traffic does Cth Vv over Black River carry?

About 510 vehicles per day (2021 count).

How long is Cth Vv over Black River?

The structure is 414 ft (126.2 m) long with a longest span of 164 ft (50 m) and a deck 30 ft wide.

Who owns Cth Vv over Black River?

It is owned by the County Highway Agency.