US Bridges

Sth 32 Nb-Sth 57 N over Sheboygan River

Fair

Manitowoc County, Wisconsin · 0.9M N JCT Sth 57 to S · Structure no. B36001100000000

Built
1957
68 years old, rebuilt 1997
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
81 ft
1 main span
Daily traffic
4,050
2024 count
Owner
State
State Highway Agency

About this bridge

Sth 32 Nb-Sth 57 N over Sheboygan River is a steel stringer/multi-beam or girder carrying Sth 32 Nb-Sth 57 N over Sheboygan River in Manitowoc County, Wisconsin. It was built in 1957 and reconstructed in 1997, so it is 68 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 4,050 vehicles a day, roughly 12% of them trucks, projected to reach 7,550 by 2043. The structure is 81 ft (24.7 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesSth 32 Nb-Sth 57 N
CrossesSheboygan River
Location0.9M N JCT Sth 57 to S
RouteState Highway 32
CountyManitowoc County
StateWisconsin
Coordinates43.89853, -87.97397
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length81 ft (24.7 m)
Longest span77 ft (23.5 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,050 (2024)
Projected traffic7,550 by 2043
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Nb-Sth 57 N over Sheboygan River built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1997.

What condition is Sth 32 Nb-Sth 57 N 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 October 2024.

How much traffic does Sth 32 Nb-Sth 57 N over Sheboygan River carry?

About 4,050 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Sth 32 Nb-Sth 57 N over Sheboygan River?

The structure is 81 ft (24.7 m) long with a longest span of 77 ft (23.5 m) and a deck 43 ft wide.

Who owns Sth 32 Nb-Sth 57 N over Sheboygan River?

It is owned by the State Highway Agency.