US Bridges

Cth Z over Arkansaw Creek

Poor

Pepin County, Wisconsin · 0.2M W JCT Cth G · Structure no. B46086000000000

Built
1930
95 years old, rebuilt 1985
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
29 ft
1 main span
Daily traffic
193
2023 count
Owner
County
County Highway Agency

About this bridge

Cth Z over Arkansaw Creek is a concrete stringer/multi-beam or girder carrying Cth Z over Arkansaw Creek in Pepin County, Wisconsin. It was built in 1930 and reconstructed in 1985, so it is 95 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 193 vehicles a day, projected to reach 256 by 2043. The structure is 29 ft (8.7 m) long and 29 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCth Z
CrossesArkansaw Creek
Location0.2M W JCT Cth G
RouteCounty Highway 0Z
Coordinates44.65443, -92.06697
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32.2 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length29 ft (8.7 m)
Longest span27 ft (8.2 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic193 (2023)
Projected traffic256 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$152,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth Z over Arkansaw Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1985.

What condition is Cth Z over Arkansaw Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Cth Z over Arkansaw Creek carry?

About 193 vehicles per day (2023 count).

How long is Cth Z over Arkansaw Creek?

The structure is 29 ft (8.7 m) long with a longest span of 27 ft (8.2 m) and a deck 29 ft wide.

Who owns Cth Z over Arkansaw Creek?

It is owned by the County Highway Agency.