US Bridges

Sth 35 SB over Kinnickinnic River

Good

St. Croix County, Wisconsin · 0.2M S JCT Sth 65 to N · Structure no. B55013800000000

Built
1993
32 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
138 ft
1 main span
Daily traffic
6,400
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 35 SB over Kinnickinnic River is a prestressed concrete stringer/multi-beam or girder carrying Sth 35 SB over Kinnickinnic River in St. Croix County, Wisconsin. It was built in 1993, so it is 32 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 6,400 vehicles a day, roughly 12% of them trucks, projected to reach 7,680 by 2043. The structure is 138 ft (42.2 m) long and 60 ft wide.

CarriesSth 35 SB
CrossesKinnickinnic River
Location0.2M S JCT Sth 65 to N
RouteState Highway 35
Coordinates44.87612, -92.61902
Functional classUrban Other Principal Arterial

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 inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.5 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length138 ft (42.2 m)
Longest span135 ft (41.1 m)
Deck width60 ft (18.3 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,400 (2022)
Projected traffic7,680 by 2043
Trucks12%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 35 SB over Kinnickinnic River built?

It was built in 1993, making it 32 years old in 2025.

What condition is Sth 35 SB over Kinnickinnic River 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 September 2024.

How much traffic does Sth 35 SB over Kinnickinnic River carry?

About 6,400 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Sth 35 SB over Kinnickinnic River?

The structure is 138 ft (42.2 m) long with a longest span of 135 ft (41.1 m) and a deck 60 ft wide.

Who owns Sth 35 SB over Kinnickinnic River?

It is owned by the State Highway Agency.