US Bridges

Sth 65 over Br Kinnickinnic River

Fair

St. Croix County, Wisconsin · 2.3M N JCT Cth Ss · Structure no. B55005900000000

Built
1966
59 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete Continuous
Length
41 ft
2 main spans
Daily traffic
4,200
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 65 over Br Kinnickinnic River is a concrete continuous culvert carrying Sth 65 over Br Kinnickinnic River in St. Croix County, Wisconsin. It was built in 1966, so it is 59 years old, older 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 5 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 4,200 vehicles a day, roughly 4% of them trucks, projected to reach 4,440 by 2043. The structure is 41 ft (12.4 m) long. If it were closed, the detour would be 38.5 mi (62 km).

Location

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CarriesSth 65
CrossesBr Kinnickinnic River
Location2.3M N JCT Cth Ss
RouteState Highway 65
CountySt. Croix County
StateWisconsin
Coordinates44.90763, -92.55924
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length41 ft (12.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2022)
Projected traffic4,440 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed38.5 mi (62 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 65 over Br Kinnickinnic River built?

It was built in 1966, making it 59 years old in 2025.

What condition is Sth 65 over Br Kinnickinnic 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 September 2024.

How much traffic does Sth 65 over Br Kinnickinnic River carry?

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

How long is Sth 65 over Br Kinnickinnic River?

The structure is 41 ft (12.4 m) long with a longest span of 10 ft (3 m).

Who owns Sth 65 over Br Kinnickinnic River?

It is owned by the State Highway Agency.