US Bridges

Cth Zz Washington over Plum Creek

Fair

Brown County, Wisconsin · 0.1M S JCT Sth 96 · Structure no. B05027200000000

Built
1983
42 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
104 ft
1 main span
Daily traffic
1,070
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Zz Washington over Plum Creek is a prestressed concrete stringer/multi-beam or girder carrying Cth Zz Washington over Plum Creek in Brown County, Wisconsin. It was built in 1983, so it is 42 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,070 vehicles a day, projected to reach 1,177 by 2043. The structure is 104 ft (31.8 m) long and 47 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCth Zz Washington
CrossesPlum Creek
Location0.1M S JCT Sth 96
RouteCounty Highway 0ZZ
Coordinates44.32471, -88.16437
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.4 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length104 ft (31.8 m)
Longest span102 ft (31.1 m)
Deck width47 ft (14.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,070 (2022)
Projected traffic1,177 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 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 Zz Washington over Plum Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Cth Zz Washington over Plum Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does Cth Zz Washington over Plum Creek carry?

About 1,070 vehicles per day (2022 count).

How long is Cth Zz Washington over Plum Creek?

The structure is 104 ft (31.8 m) long with a longest span of 102 ft (31.1 m) and a deck 47 ft wide.

Who owns Cth Zz Washington over Plum Creek?

It is owned by the County Highway Agency.