US Bridges

Cth Yy over Schoolhouse Creek

Fair

Eau Claire County, Wisconsin · 0.1M N Ush 10 · Structure no. P18072600000000

Built
1930
95 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
569
2024 count
Owner
County
County Highway Agency

About this bridge

Cth Yy over Schoolhouse Creek is a prestressed concrete box beam or girders - multiple carrying Cth Yy over Schoolhouse Creek in Eau Claire County, Wisconsin. It was built in 1930, 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 fair condition with a lowest component rating of 5 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 569 vehicles a day, projected to reach 619 by 2043. The structure is 56 ft (17.1 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCth Yy
CrossesSchoolhouse Creek
Location0.1M N Ush 10
RouteCounty Highway 0YY
CountyEau Claire County
StateWisconsin
Coordinates44.59714, -90.95272
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
Deck9 ExcellentNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span53 ft (16.2 m)
Deck width33 ft (10 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic569 (2024)
Projected traffic619 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 Yy over Schoolhouse Creek built?

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

What condition is Cth Yy over Schoolhouse 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 September 2024.

How much traffic does Cth Yy over Schoolhouse Creek carry?

About 569 vehicles per day (2024 count).

How long is Cth Yy over Schoolhouse Creek?

The structure is 56 ft (17.1 m) long with a longest span of 53 ft (16.2 m) and a deck 33 ft wide.

Who owns Cth Yy over Schoolhouse Creek?

It is owned by the County Highway Agency.