US Bridges

Sth 28 over Sheboygan River

Fair

Sheboygan County, Wisconsin · 4.2M E JCT IH 43 to N · Structure no. B59003300000000

Built
1967
58 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
212 ft
3 main spans
Daily traffic
18,000
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sth 28 over Sheboygan River is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 28 over Sheboygan River in Sheboygan County, Wisconsin. It was built in 1967, so it is 58 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 18,000 vehicles a day, roughly 3% of them trucks, projected to reach 21,600 by 2041. The structure is 212 ft (64.5 m) long and 66 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesSth 28
CrossesSheboygan River
Location4.2M E JCT IH 43 to N
RouteState Highway 28
CountySheboygan County
StateWisconsin
Coordinates43.755, -87.72333
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
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 inspectionOctober 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length212 ft (64.5 m)
Longest span71 ft (21.6 m)
Deck width66 ft (20.2 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,000 (2021)
Projected traffic21,600 by 2041
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 28 over Sheboygan River built?

It was built in 1967, making it 58 years old in 2025.

What condition is Sth 28 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 28 over Sheboygan River carry?

About 18,000 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Sth 28 over Sheboygan River?

The structure is 212 ft (64.5 m) long with a longest span of 71 ft (21.6 m) and a deck 66 ft wide.

Who owns Sth 28 over Sheboygan River?

It is owned by the City or Municipal Highway Agency.