US Bridges

Cth Nn over Lousy Creek

Good

St. Croix County, Wisconsin · 2.3M S JCT Cth N · Structure no. B55008200000000

Built
1982
43 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
132
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Nn over Lousy Creek is a prestressed concrete stringer/multi-beam or girder carrying Cth Nn over Lousy Creek in St. Croix County, Wisconsin. It was built in 1982, so it is 43 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 132 vehicles a day, projected to reach 127 by 2042. The structure is 65 ft (19.8 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCth Nn
CrossesLousy Creek
Location2.3M S JCT Cth N
RouteCounty Highway 0NN
Coordinates44.87225, -92.23981
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.8 US tons
Inventory rating26.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length65 ft (19.8 m)
Longest span63 ft (19.2 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic132 (2022)
Projected traffic127 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Nn over Lousy Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Cth Nn over Lousy Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does Cth Nn over Lousy Creek carry?

About 132 vehicles per day (2022 count).

How long is Cth Nn over Lousy Creek?

The structure is 65 ft (19.8 m) long with a longest span of 63 ft (19.2 m) and a deck 32 ft wide.

Who owns Cth Nn over Lousy Creek?

It is owned by the County Highway Agency.