US Bridges

Sth 23 EB over Sheboygan River

Fair

Sheboygan County, Wisconsin · 0.1M E JCT Cth Tt · Structure no. B59008800000000

Built
1984
41 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
194 ft
2 main spans
Daily traffic
12,350
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 23 EB over Sheboygan River is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 23 EB over Sheboygan River in Sheboygan County, Wisconsin. It was built in 1984, so it is 41 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 12,350 vehicles a day, roughly 8% of them trucks, projected to reach 14,929 by 2043. The structure is 194 ft (59.1 m) long and 47 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSth 23 EB
CrossesSheboygan River
Location0.1M E JCT Cth Tt
RouteState Highway 23
Coordinates43.75128, -87.84862
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.7 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length194 ft (59.1 m)
Longest span96 ft (29.3 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,350 (2022)
Projected traffic14,929 by 2043
Trucks8%
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 23 EB over Sheboygan River built?

It was built in 1984, making it 41 years old in 2025.

What condition is Sth 23 EB 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 July 2024.

How much traffic does Sth 23 EB over Sheboygan River carry?

About 12,350 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Sth 23 EB over Sheboygan River?

The structure is 194 ft (59.1 m) long with a longest span of 96 ft (29.3 m) and a deck 47 ft wide.

Who owns Sth 23 EB over Sheboygan River?

It is owned by the State Highway Agency.