US Bridges

Cth C over Bay City CR

Good

Pierce County, Wisconsin · 1.2 M N of JCT Sth 35 · Structure no. B47020400000000

Built
2004
21 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
731
2022 count
Owner
County
County Highway Agency

About this bridge

Cth C over Bay City CR is a concrete culvert carrying Cth C over Bay City CR in Pierce County, Wisconsin. It was built in 2004, so it is 21 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 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 731 vehicles a day, projected to reach 804 by 2042. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesCth C
CrossesBay City CR
Location1.2 M N of JCT Sth 35
RouteCounty Highway 0C
CountyPierce County
StateWisconsin
Coordinates44.60971, -92.4922
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic731 (2022)
Projected traffic804 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 C over Bay City CR built?

It was built in 2004, making it 21 years old in 2025.

What condition is Cth C over Bay City CR 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 April 2023.

How much traffic does Cth C over Bay City CR carry?

About 731 vehicles per day (2022 count).

How long is Cth C over Bay City CR?

The structure is 30 ft (9.1 m) long with a longest span of 12 ft (3.7 m).

Who owns Cth C over Bay City CR?

It is owned by the County Highway Agency.