US Bridges

Cth RR over Br Onion River

Good

Sheboygan County, Wisconsin · 0.8M E JCT Cth Kw · Structure no. B59019200000000

Built
2017
8 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete
Length
42 ft
1 main span
Daily traffic
810
2022 count
Owner
County
County Highway Agency

About this bridge

Cth RR over Br Onion River is a concrete slab carrying Cth RR over Br Onion River in Sheboygan County, Wisconsin. It was built in 2017, so it is 8 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 810 vehicles a day, projected to reach 1,200 by 2042. The structure is 42 ft (12.8 m) long and 32 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesCth RR
CrossesBr Onion River
Location0.8M E JCT Cth Kw
RouteCounty Highway 0RR
Coordinates43.55769, -87.84569
Functional classRural Local

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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length42 ft (12.8 m)
Longest span42 ft (12.8 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic810 (2022)
Projected traffic1,200 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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 RR over Br Onion River built?

It was built in 2017, making it 8 years old in 2025.

What condition is Cth RR over Br Onion 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 November 2023.

How much traffic does Cth RR over Br Onion River carry?

About 810 vehicles per day (2022 count).

How long is Cth RR over Br Onion River?

The structure is 42 ft (12.8 m) long with a longest span of 42 ft (12.8 m) and a deck 32 ft wide.

Who owns Cth RR over Br Onion River?

It is owned by the County Highway Agency.