US Bridges

Sth 20 over Wind Lake Drainage Canal

Good

Racine County, Wisconsin · 0.4M E JCT Sth 36 · Structure no. B51007300000000

Built
1997
28 years old
Condition
Good
inspected April 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
84 ft
1 main span
Daily traffic
4,800
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 20 over Wind Lake Drainage Canal is a prestressed concrete stringer/multi-beam or girder carrying Sth 20 over Wind Lake Drainage Canal in Racine County, Wisconsin. It was built in 1997, so it is 28 years old, younger 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 4,800 vehicles a day, roughly 6% of them trucks, projected to reach 6,890 by 2041. The structure is 84 ft (25.6 m) long and 47 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesSth 20
CrossesWind Lake Drainage Canal
Location0.4M E JCT Sth 36
RouteState Highway 20
Coordinates42.7486, -88.20439
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.5 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span80 ft (24.4 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,800 (2021)
Projected traffic6,890 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Sth 20 over Wind Lake Drainage Canal built?

It was built in 1997, making it 28 years old in 2025.

What condition is Sth 20 over Wind Lake Drainage Canal 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 April 2022.

How much traffic does Sth 20 over Wind Lake Drainage Canal carry?

About 4,800 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Sth 20 over Wind Lake Drainage Canal?

The structure is 84 ft (25.6 m) long with a longest span of 80 ft (24.4 m) and a deck 47 ft wide.

Who owns Sth 20 over Wind Lake Drainage Canal?

It is owned by the State Highway Agency.