US Bridges

Sth 42 over Silver Creek

Good

Manitowoc County, Wisconsin · 5.2M N JCT Cth C · Structure no. B36023900000000

Built
2022
3 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
4,000
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 42 over Silver Creek is a prestressed concrete stringer/multi-beam or girder carrying Sth 42 over Silver Creek in Manitowoc County, Wisconsin. It was built in 2022, so it is 3 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 4,000 vehicles a day, projected to reach 4,960 by 2043. The structure is 80 ft (24.3 m) long and 43 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

CarriesSth 42
CrossesSilver Creek
Location5.2M N JCT Cth C
RouteState Highway 42
Coordinates44.06672, -87.7277
Functional classRural Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length80 ft (24.3 m)
Longest span75 ft (22.9 m)
Deck width43 ft (13.2 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2022)
Projected traffic4,960 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Sth 42 over Silver Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is Sth 42 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 2024.

How much traffic does Sth 42 over Silver Creek carry?

About 4,000 vehicles per day (2022 count).

How long is Sth 42 over Silver Creek?

The structure is 80 ft (24.3 m) long with a longest span of 75 ft (22.9 m) and a deck 43 ft wide.

Who owns Sth 42 over Silver Creek?

It is owned by the State Highway Agency.