US Bridges

Cth Z over Duck Creek

Good

Adams County, Wisconsin · Located 2.8 Miles North O · Structure no. B01002700000000

Built
2024
1 years old
Condition
Good
inspected January 2025
Type
Slab
Concrete
Length
29 ft
1 main span
Daily traffic
130
2025 count
Owner
County
County Highway Agency

About this bridge

Cth Z over Duck Creek is a concrete slab carrying Cth Z over Duck Creek in Adams County, Wisconsin. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 130 vehicles a day, roughly 10% of them trucks, projected to reach 143 by 2045. The structure is 29 ft (8.7 m) long and 38 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCth Z
CrossesDuck Creek
LocationLocated 2.8 Miles North O
RouteCounty Highway 0Z
Coordinates43.81667, -89.89917
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length29 ft (8.7 m)
Longest span26 ft (7.9 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2025)
Projected traffic143 by 2045
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Z over Duck Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is Cth Z over Duck 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 January 2025.

How much traffic does Cth Z over Duck Creek carry?

About 130 vehicles per day (2025 count), of which roughly 10% are trucks.

How long is Cth Z over Duck Creek?

The structure is 29 ft (8.7 m) long with a longest span of 26 ft (7.9 m) and a deck 38 ft wide.

Who owns Cth Z over Duck Creek?

It is owned by the County Highway Agency.