US Bridges

Cth Z over Big Roche a Cri Creek

Good

Adams County, Wisconsin · 1.3M S JCT Sth 21 · Structure no. B01000200000000

Built
1975
50 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
895
2024 count
Owner
County
County Highway Agency

About this bridge

Cth Z over Big Roche a Cri Creek is a prestressed concrete stringer/multi-beam or girder carrying Cth Z over Big Roche a Cri Creek in Adams County, Wisconsin. It was built in 1975, so it is 50 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 895 vehicles a day, projected to reach 1,386 by 2043. The structure is 82 ft (24.9 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCth Z
CrossesBig Roche a Cri Creek
Location1.3M S JCT Sth 21
RouteCounty Highway 0Z
Coordinates44.01883, -89.9378
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating73.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length82 ft (24.9 m)
Longest span81 ft (24.7 m)
Deck width36 ft (10.9 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic895 (2024)
Projected traffic1,386 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Big Roche a Cri Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Cth Z over Big Roche a Cri 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 August 2024.

How much traffic does Cth Z over Big Roche a Cri Creek carry?

About 895 vehicles per day (2024 count).

How long is Cth Z over Big Roche a Cri Creek?

The structure is 82 ft (24.9 m) long with a longest span of 81 ft (24.7 m) and a deck 36 ft wide.

Who owns Cth Z over Big Roche a Cri Creek?

It is owned by the County Highway Agency.