US Bridges

Sth 35 over Swinger Slough

Good

Pepin County, Wisconsin · 3.6M N JCT Sth 25 to N · Structure no. B46002200000000

Built
1995
30 years old
Condition
Good
inspected June 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
182 ft
3 main spans
Daily traffic
2,300
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 35 over Swinger Slough is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 35 over Swinger Slough in Pepin County, Wisconsin. It was built in 1995, so it is 30 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 2,300 vehicles a day, roughly 8% of them trucks, projected to reach 2,760 by 2038. The structure is 182 ft (55.6 m) long and 39 ft wide. If it were closed, the detour would be 35.4 mi (57 km).

CarriesSth 35
CrossesSwinger Slough
Location3.6M N JCT Sth 25 to N
RouteState Highway 35
Coordinates44.43847, -92.09071
Functional classRural Minor 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 protection7 GoodSome minor problems.
Last inspectionJune 2021
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.2 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length182 ft (55.6 m)
Longest span60 ft (18.3 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2022)
Projected traffic2,760 by 2038
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed35.4 mi (57 km)
TollOn a free road
National Highway SystemNo

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 over Swinger Slough built?

It was built in 1995, making it 30 years old in 2025.

What condition is Sth 35 over Swinger Slough 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 June 2021.

How much traffic does Sth 35 over Swinger Slough carry?

About 2,300 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Sth 35 over Swinger Slough?

The structure is 182 ft (55.6 m) long with a longest span of 60 ft (18.3 m) and a deck 39 ft wide.

Who owns Sth 35 over Swinger Slough?

It is owned by the State Highway Agency.