US Bridges

Cth CR over Silver Creek

Good

Manitowoc County, Wisconsin · 3.8M N JCT Cth C · Structure no. B36014600000000

Built
1994
31 years old
Condition
Good
inspected October 2021
Type
Slab
Concrete Continuous
Length
57 ft
2 main spans
Daily traffic
3,700
2021 count
Owner
County
County Highway Agency

About this bridge

Cth CR over Silver Creek is a concrete continuous slab carrying Cth CR over Silver Creek in Manitowoc County, Wisconsin. It was built in 1994, so it is 31 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 3,700 vehicles a day, roughly 9% of them trucks, projected to reach 4,440 by 2041. The structure is 57 ft (17.4 m) long and 42 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesCth CR
CrossesSilver Creek
Location3.8M N JCT Cth C
RouteCounty Highway 0CR
Coordinates44.06167, -87.70167
Functional classRural Major Collector

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.
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 within limits of footing or piles
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 rating80.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span28 ft (8.4 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,700 (2021)
Projected traffic4,440 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 Silver Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Cth CR over Silver Creek 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 Silver Creek carry?

About 3,700 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Cth CR over Silver Creek?

The structure is 57 ft (17.4 m) long with a longest span of 28 ft (8.4 m) and a deck 42 ft wide.

Who owns Cth CR over Silver Creek?

It is owned by the County Highway Agency.