US Bridges

Sth 23 EB over Sheboygan River

Good

Fond du Lac County, Wisconsin · 0.6M E JCT Cth Aa · Structure no. B20007600000000

Built
1991
34 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
3,600
2023 count
Owner
State
State Highway Agency

About this bridge

Sth 23 EB over Sheboygan River is a prestressed concrete stringer/multi-beam or girder carrying Sth 23 EB over Sheboygan River in Fond du Lac County, Wisconsin. It was built in 1991, so it is 34 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,600 vehicles a day, roughly 8% of them trucks, projected to reach 12,680 by 2042. The structure is 54 ft (16.4 m) long and 47 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesSth 23 EB
CrossesSheboygan River
Location0.6M E JCT Cth Aa
RouteState Highway 23
Coordinates43.78306, -88.26793
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length54 ft (16.4 m)
Longest span52 ft (15.8 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2023)
Projected traffic12,680 by 2042
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 1991, making it 34 years old in 2025.

What condition is Sth 23 EB over Sheboygan River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

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

About 3,600 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Sth 23 EB over Sheboygan River?

The structure is 54 ft (16.4 m) long with a longest span of 52 ft (15.8 m) and a deck 47 ft wide.

Who owns Sth 23 EB over Sheboygan River?

It is owned by the State Highway Agency.