US Bridges

Cth N over Dry Run

Good

Pierce County, Wisconsin · 0.5M W JCT Ush 63 · Structure no. P47094100000000

Built
1988
37 years old
Condition
Good
inspected April 2023
Type
Slab
Wood or Timber
Length
22 ft
1 main span
Daily traffic
494
2022 count
Owner
County
County Highway Agency

About this bridge

Cth N over Dry Run is a wood or timber slab carrying Cth N over Dry Run in Pierce County, Wisconsin. It was built in 1988, so it is 37 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 494 vehicles a day, projected to reach 543 by 2042. The structure is 22 ft (6.7 m) long and 32 ft wide. If it were closed, the detour would be 13.7 mi (22 km).

CarriesCth N
CrossesDry Run
Location0.5M W JCT Ush 63
RouteCounty Highway 0N
Coordinates44.77573, -92.43051
Functional classRural Major Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating66.6 US tons
Inventory rating46.4 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic494 (2022)
Projected traffic543 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13.7 mi (22 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 Dry Run built?

It was built in 1988, making it 37 years old in 2025.

What condition is Cth N over Dry Run 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 April 2023.

How much traffic does Cth N over Dry Run carry?

About 494 vehicles per day (2022 count).

How long is Cth N over Dry Run?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m) and a deck 32 ft wide.

Who owns Cth N over Dry Run?

It is owned by the County Highway Agency.