US Bridges

Cth Y over South Squaw Creek

Poor

Wood County, Wisconsin · 1.5M W JCT Cth M · Structure no. P71009200000000

Built
1938
87 years old, rebuilt 1992
Condition
Poor
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
120
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Y over South Squaw Creek is a steel stringer/multi-beam or girder carrying Cth Y over South Squaw Creek in Wood County, Wisconsin. It was built in 1938 and reconstructed in 1992, so it is 87 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 4 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 120 vehicles a day, projected to reach 132 by 2042. The structure is 43 ft (13.1 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCth Y
CrossesSouth Squaw Creek
Location1.5M W JCT Cth M
RouteCounty Highway 0Y
Coordinates44.67001, -90.05577
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55.8 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span41 ft (12.6 m)
Deck width35 ft (10.7 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2022)
Projected traffic132 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$203,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cth Y over South Squaw Creek built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1992.

What condition is Cth Y over South Squaw 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 June 2023.

How much traffic does Cth Y over South Squaw Creek carry?

About 120 vehicles per day (2022 count).

How long is Cth Y over South Squaw Creek?

The structure is 43 ft (13.1 m) long with a longest span of 41 ft (12.6 m) and a deck 35 ft wide.

Who owns Cth Y over South Squaw Creek?

It is owned by the County Highway Agency.