US Bridges

Cth Vj over Rocky Run Creek

PoorPosted for load

Columbia County, Wisconsin · 0.8M E JCT Cth J · Structure no. P11003700000000

Built
1956
69 years old
Condition
Poor
inspected September 2024
Type
Slab
Wood or Timber
Length
36 ft
2 main spans
Daily traffic
470
2021 count
Owner
County
County Highway Agency

About this bridge

Cth Vj over Rocky Run Creek is a wood or timber slab carrying Cth Vj over Rocky Run Creek in Columbia County, Wisconsin. It was built in 1956, so it is 69 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. Its operating status is: posted for load restriction.

It carries about 470 vehicles a day, projected to reach 564 by 2041. The structure is 36 ft (10.9 m) long and 28 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesCth Vj
CrossesRocky Run Creek
Location0.8M E JCT Cth J
RouteCounty Highway 0VJ
CountyColumbia County
StateWisconsin
Coordinates43.45587, -89.43549
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.2 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 20
Structure length36 ft (10.9 m)
Longest span17 ft (5.3 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic470 (2021)
Projected traffic564 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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$219,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth Vj over Rocky Run Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is Cth Vj over Rocky Run Creek 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 September 2024.

How much traffic does Cth Vj over Rocky Run Creek carry?

About 470 vehicles per day (2021 count).

How long is Cth Vj over Rocky Run Creek?

The structure is 36 ft (10.9 m) long with a longest span of 17 ft (5.3 m) and a deck 28 ft wide.

Who owns Cth Vj over Rocky Run Creek?

It is owned by the County Highway Agency.