US Bridges

Lrd 360th ST (dead over Clack Creek

Poor

Dunn County, Wisconsin · 0.3M N JCT Sth 79 · Structure no. P17010200000000

Built
1934
91 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
26 ft
1 main span
Daily traffic
29
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd 360th ST (dead over Clack Creek is a steel stringer/multi-beam or girder carrying Lrd 360th ST (dead over Clack Creek in Dunn County, Wisconsin. It was built in 1934, so it is 91 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 29 vehicles a day, projected to reach 31 by 2043. The structure is 26 ft (7.8 m) long and 23 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesLrd 360th ST (dead
CrossesClack Creek
Location0.3M N JCT Sth 79
RouteCity Street 0
CountyDunn County
StateWisconsin
Coordinates44.96218, -91.98081
Functional classRural Local

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.2 US tons
Inventory rating30.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (7.8 m)
Longest span24 ft (7.3 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2024)
Projected traffic31 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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$142,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd 360th ST (dead over Clack Creek built?

It was built in 1934, making it 91 years old in 2025.

What condition is Lrd 360th ST (dead over Clack 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 July 2024.

How much traffic does Lrd 360th ST (dead over Clack Creek carry?

About 29 vehicles per day (2024 count).

How long is Lrd 360th ST (dead over Clack Creek?

The structure is 26 ft (7.8 m) long with a longest span of 24 ft (7.3 m) and a deck 23 ft wide.

Who owns Lrd 360th ST (dead over Clack Creek?

It is owned by the Town or Township Highway Agency.