US Bridges

Cth CR over Calvin CR

Good

Manitowoc County, Wisconsin · Tbd · Structure no. B36018700000000

Built
2010
15 years old
Condition
Good
inspected October 2021
Type
Slab
Concrete
Length
37 ft
1 main span
Daily traffic
2,400
2021 count
Owner
County
County Highway Agency

About this bridge

Cth CR over Calvin CR is a concrete slab carrying Cth CR over Calvin CR in Manitowoc County, Wisconsin. It was built in 2010, so it is 15 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 2,400 vehicles a day, roughly 3% of them trucks, projected to reach 2,880 by 2041. The structure is 37 ft (11.4 m) long and 36 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCth CR
CrossesCalvin CR
LocationTbd
RouteCounty Highway 0CR
Coordinates44.02833, -87.70333
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 inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating51.8 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length37 ft (11.4 m)
Longest span35 ft (10.7 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2021)
Projected traffic2,880 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 CR over Calvin CR built?

It was built in 2010, making it 15 years old in 2025.

What condition is Cth CR over Calvin 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 October 2021.

How much traffic does Cth CR over Calvin CR carry?

About 2,400 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Cth CR over Calvin CR?

The structure is 37 ft (11.4 m) long with a longest span of 35 ft (10.7 m) and a deck 36 ft wide.

Who owns Cth CR over Calvin CR?

It is owned by the County Highway Agency.