US Bridges

Cth RR over Br Onion River

Good

Sheboygan County, Wisconsin · 0.1M E JCT Cth Kw · Structure no. B59012600000000

Built
1984
41 years old
Condition
Good
inspected November 2023
Type
Frame
Concrete
Length
25 ft
1 main span
Daily traffic
940
2021 count
Owner
County
County Highway Agency

About this bridge

Cth RR over Br Onion River is a concrete frame carrying Cth RR over Br Onion River 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 940 vehicles a day, projected to reach 1,128 by 2041. The structure is 25 ft (7.7 m) long and 36 ft wide.

CarriesCth RR
CrossesBr Onion River
Location0.1M E JCT Cth Kw
RouteCounty Highway 0RR
Coordinates43.55775, -87.85706
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length25 ft (7.7 m)
Longest span24 ft (7.3 m)
Deck width36 ft (10.9 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic940 (2021)
Projected traffic1,128 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 1984, making it 41 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 940 vehicles per day (2021 count).

How long is Cth RR over Br Onion River?

The structure is 25 ft (7.7 m) long with a longest span of 24 ft (7.3 m) and a deck 36 ft wide.

Who owns Cth RR over Br Onion River?

It is owned by the County Highway Agency.