US Bridges

Cth I over Silver Creek

Good

Sheboygan County, Wisconsin · 0.2M S JCT Sth 144 · Structure no. B59012900000000

Built
1986
39 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
38 ft
2 main spans
Daily traffic
670
2021 count
Owner
County
County Highway Agency

About this bridge

Cth I over Silver Creek is a concrete culvert carrying Cth I over Silver Creek in Sheboygan County, Wisconsin. It was built in 1986, so it is 39 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 670 vehicles a day, projected to reach 804 by 2041. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCth I
CrossesSilver Creek
Location0.2M S JCT Sth 144
RouteCounty Highway 0I
Coordinates43.55517, -87.98098
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.2 US tons
Inventory rating30.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length38 ft (11.6 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 traffic670 (2021)
Projected traffic804 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 I over Silver Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Cth I 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 May 2023.

How much traffic does Cth I over Silver Creek carry?

About 670 vehicles per day (2021 count).

How long is Cth I over Silver Creek?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Cth I over Silver Creek?

It is owned by the County Highway Agency.