US Bridges

Cth N over Spring Valley Creek

Good

Monroe County, Wisconsin · 1.3M W JCT Cth W · Structure no. B41032700000000

Built
2021
4 years old
Condition
Good
inspected July 2024
Type
Slab
Wood or Timber
Length
30 ft
1 main span
Daily traffic
250
2022 count
Owner
County
County Highway Agency

About this bridge

Cth N over Spring Valley Creek is a wood or timber slab carrying Cth N over Spring Valley Creek in Monroe County, Wisconsin. It was built in 2021, so it is 4 years old, younger 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 250 vehicles a day, projected to reach 275 by 2043. The structure is 30 ft (9.1 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCth N
CrossesSpring Valley Creek
Location1.3M W JCT Cth W
RouteCounty Highway 0N
Coordinates43.82768, -90.39688
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.
Superstructure7 GoodSome minor problems.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than 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 rating61.4 US tons
Inventory rating47.2 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2022)
Projected traffic275 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 N over Spring Valley Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is Cth N over Spring Valley 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 July 2024.

How much traffic does Cth N over Spring Valley Creek carry?

About 250 vehicles per day (2022 count).

How long is Cth N over Spring Valley Creek?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 28 ft wide.

Who owns Cth N over Spring Valley Creek?

It is owned by the County Highway Agency.