US Bridges

Sth 57 over Sheboygan River

Fair

Sheboygan County, Wisconsin · 0.8M N JCT Cth Eh · Structure no. B59000600000000

Built
1955
70 years old, rebuilt 1997
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
94 ft
2 main spans
Daily traffic
4,700
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 57 over Sheboygan River is a steel continuous stringer/multi-beam or girder carrying Sth 57 over Sheboygan River in Sheboygan County, Wisconsin. It was built in 1955 and reconstructed in 1997, so it is 70 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 4,700 vehicles a day, roughly 9% of them trucks, projected to reach 6,720 by 2043. The structure is 94 ft (28.7 m) long and 36 ft wide. If it were closed, the detour would be 28 mi (45 km).

Location

Open in Google Maps
CarriesSth 57
CrossesSheboygan River
Location0.8M N JCT Cth Eh
RouteState Highway 57
CountySheboygan County
StateWisconsin
Coordinates43.88739, -87.94991
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 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
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 rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length94 ft (28.7 m)
Longest span47 ft (14.3 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,700 (2022)
Projected traffic6,720 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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 57 over Sheboygan River built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1997.

What condition is Sth 57 over Sheboygan 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 June 2024.

How much traffic does Sth 57 over Sheboygan River carry?

About 4,700 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Sth 57 over Sheboygan River?

The structure is 94 ft (28.7 m) long with a longest span of 47 ft (14.3 m) and a deck 36 ft wide.

Who owns Sth 57 over Sheboygan River?

It is owned by the State Highway Agency.