US Bridges

Cth Mm over Sheboygan River

Fair

Sheboygan County, Wisconsin · 1.0M E JCT Sth 57 · Structure no. B59014200000000

Built
1989
36 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
110 ft
2 main spans
Daily traffic
436
2022 count
Owner
County
County Highway Agency

About this bridge

Cth Mm over Sheboygan River is a prestressed concrete continuous stringer/multi-beam or girder carrying Cth Mm over Sheboygan River in Sheboygan County, Wisconsin. It was built in 1989, so it is 36 years old, younger 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 436 vehicles a day, projected to reach 479 by 2042. The structure is 110 ft (33.6 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCth Mm
CrossesSheboygan River
Location1.0M E JCT Sth 57
RouteCounty Highway 0MM
CountySheboygan County
StateWisconsin
Coordinates43.86293, -87.92311
Functional classRural Minor Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.8 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length110 ft (33.6 m)
Longest span53 ft (16.3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic436 (2022)
Projected traffic479 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Cth Mm over Sheboygan River built?

It was built in 1989, making it 36 years old in 2025.

What condition is Cth Mm 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 September 2023.

How much traffic does Cth Mm over Sheboygan River carry?

About 436 vehicles per day (2022 count).

How long is Cth Mm over Sheboygan River?

The structure is 110 ft (33.6 m) long with a longest span of 53 ft (16.3 m) and a deck 30 ft wide.

Who owns Cth Mm over Sheboygan River?

It is owned by the County Highway Agency.