US Bridges

Sth 20 over W Br Root River Canal

Good

Racine County, Wisconsin · 2.2 MI E JCT Ush 45 · Structure no. B51005900000000

Built
1968
57 years old, rebuilt 2020
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
6,600
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 20 over W Br Root River Canal is a prestressed concrete stringer/multi-beam or girder carrying Sth 20 over W Br Root River Canal in Racine County, Wisconsin. It was built in 1968 and reconstructed in 2020, so it is 57 years old, older 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 6,600 vehicles a day, roughly 5% of them trucks, projected to reach 11,600 by 2040. The structure is 61 ft (18.6 m) long and 47 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesSth 20
CrossesW Br Root River Canal
Location2.2 MI E JCT Ush 45
RouteState Highway 20
Coordinates42.7341, -88.01037
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length61 ft (18.6 m)
Longest span59 ft (18 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (2021)
Projected traffic11,600 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 W Br Root River Canal built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2020.

What condition is Sth 20 over W Br Root River 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 2024.

How much traffic does Sth 20 over W Br Root River Canal carry?

About 6,600 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Sth 20 over W Br Root River Canal?

The structure is 61 ft (18.6 m) long with a longest span of 59 ft (18 m) and a deck 47 ft wide.

Who owns Sth 20 over W Br Root River Canal?

It is owned by the State Highway Agency.