US Bridges

Sth 65 S over Sth 35

Poor

St. Croix County, Wisconsin · 1.5M S JCT Cth Ss to N · Structure no. B55013900000000

Built
1992
33 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
326 ft
2 main spans
Daily traffic
4,200
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 65 S over Sth 35 is a steel continuous stringer/multi-beam or girder carrying Sth 65 S over Sth 35 in St. Croix County, Wisconsin. It was built in 1992, so it is 33 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 4,200 vehicles a day, roughly 4% of them trucks, projected to reach 5,520 by 2043. The structure is 326 ft (99.5 m) long and 91 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSth 65 S
CrossesSth 35
Location1.5M S JCT Cth Ss to N
RouteState Highway 65
Coordinates44.87851, -92.62236
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.8 US tons
Inventory rating50 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length326 ft (99.5 m)
Longest span160 ft (48.8 m)
Deck width91 ft (27.7 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2022)
Projected traffic5,520 by 2043
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.9 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sth 65 S over Sth 35 built?

It was built in 1992, making it 33 years old in 2025.

What condition is Sth 65 S over Sth 35 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Sth 65 S over Sth 35 carry?

About 4,200 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Sth 65 S over Sth 35?

The structure is 326 ft (99.5 m) long with a longest span of 160 ft (48.8 m) and a deck 91 ft wide.

Who owns Sth 65 S over Sth 35?

It is owned by the State Highway Agency.