US Bridges

Sth 23 EB over Sth 57

Fair

Sheboygan County, Wisconsin · At JCT Sth 23-STH 57 · Structure no. B59009200000000

Built
1984
41 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
259 ft
2 main spans
Daily traffic
9,450
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 23 EB over Sth 57 is a steel continuous stringer/multi-beam or girder carrying Sth 23 EB over Sth 57 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 9,450 vehicles a day, roughly 8% of them trucks, projected to reach 14,247 by 2043. The structure is 259 ft (78.9 m) long and 47 ft wide.

CarriesSth 23 EB
CrossesSth 57
LocationAt JCT Sth 23-STH 57
RouteState Highway 23
Coordinates43.75693, -87.94174
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.9 US tons
Inventory rating42.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length259 ft (78.9 m)
Longest span127 ft (38.6 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,450 (2022)
Projected traffic14,247 by 2043
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sth 23 EB over Sth 57 built?

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

What condition is Sth 23 EB over Sth 57 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 Sth 57 carry?

About 9,450 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Sth 23 EB over Sth 57?

The structure is 259 ft (78.9 m) long with a longest span of 127 ft (38.6 m) and a deck 47 ft wide.

Who owns Sth 23 EB over Sth 57?

It is owned by the State Highway Agency.