US Bridges

Sth 35 over Sth 64 Ramp

Fair

St. Croix County, Wisconsin · At Sth 64 · Structure no. B55018400000000

Built
2005
20 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
293 ft
3 main spans
Daily traffic
4,000
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 35 over Sth 64 Ramp is a concrete continuous stringer/multi-beam or girder carrying Sth 35 over Sth 64 Ramp in St. Croix County, Wisconsin. It was built in 2005, so it is 20 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 4,000 vehicles a day, projected to reach 4,800 by 2043. The structure is 293 ft (89.3 m) long and 87 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesSth 35
CrossesSth 64 Ramp
LocationAt Sth 64
RouteState Highway 35
CountySt. Croix County
StateWisconsin
Coordinates45.12075, -92.65436
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length293 ft (89.3 m)
Longest span107 ft (32.6 m)
Deck width87 ft (26.4 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2022)
Projected traffic4,800 by 2043
Trucks0%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sth 35 over Sth 64 Ramp built?

It was built in 2005, making it 20 years old in 2025.

What condition is Sth 35 over Sth 64 Ramp 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 September 2024.

How much traffic does Sth 35 over Sth 64 Ramp carry?

About 4,000 vehicles per day (2022 count).

How long is Sth 35 over Sth 64 Ramp?

The structure is 293 ft (89.3 m) long with a longest span of 107 ft (32.6 m) and a deck 87 ft wide.

Who owns Sth 35 over Sth 64 Ramp?

It is owned by the State Highway Agency.