US Bridges

Sth 32-STH 57 over Killsnake River

Fair

Calumet County, Wisconsin · 2.2M N JCT Ush 151 to S · Structure no. B08001400000000

Built
1983
42 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
111 ft
2 main spans
Daily traffic
6,900
2024 count
Owner
State
State Highway Agency

About this bridge

Sth 32-STH 57 over Killsnake River is a concrete continuous slab carrying Sth 32-STH 57 over Killsnake River in Calumet County, Wisconsin. It was built in 1983, so it is 42 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 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 6,900 vehicles a day, roughly 9% of them trucks, projected to reach 9,310 by 2043. The structure is 111 ft (33.7 m) long and 43 ft wide. If it were closed, the detour would be 33.6 mi (54 km).

CarriesSth 32-STH 57
CrossesKillsnake River
Location2.2M N JCT Ush 151 to S
RouteState Highway 32
Coordinates44.06027, -88.16301
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length111 ft (33.7 m)
Longest span55 ft (16.8 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,900 (2024)
Projected traffic9,310 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed33.6 mi (54 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sth 32-STH 57 over Killsnake River built?

It was built in 1983, making it 42 years old in 2025.

What condition is Sth 32-STH 57 over Killsnake 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 July 2024.

How much traffic does Sth 32-STH 57 over Killsnake River carry?

About 6,900 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Sth 32-STH 57 over Killsnake River?

The structure is 111 ft (33.7 m) long with a longest span of 55 ft (16.8 m) and a deck 43 ft wide.

Who owns Sth 32-STH 57 over Killsnake River?

It is owned by the State Highway Agency.