US Bridges

Sth 11 EB over White River

Fair

Walworth County, Wisconsin · 5.3 MI N JCT Sth 120 · Structure no. B64016300000000

Built
2010
15 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
135 ft
1 main span
Daily traffic
3,750
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 11 EB over White River is a prestressed concrete stringer/multi-beam or girder carrying Sth 11 EB over White River in Walworth County, Wisconsin. It was built in 2010, so it is 15 years old, younger 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 6 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 3,750 vehicles a day, roughly 4% of them trucks, projected to reach 4,500 by 2041. The structure is 135 ft (41.1 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSth 11 EB
CrossesWhite River
Location5.3 MI N JCT Sth 120
RouteState Highway 11
Coordinates42.66488, -88.31872
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating62.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length135 ft (41.1 m)
Longest span130 ft (39.6 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,750 (2021)
Projected traffic4,500 by 2041
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 11 EB over White River built?

It was built in 2010, making it 15 years old in 2025.

What condition is Sth 11 EB over White River 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 October 2023.

How much traffic does Sth 11 EB over White River carry?

About 3,750 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Sth 11 EB over White River?

The structure is 135 ft (41.1 m) long with a longest span of 130 ft (39.6 m) and a deck 43 ft wide.

Who owns Sth 11 EB over White River?

It is owned by the State Highway Agency.