US Bridges

Sth 42 over Sandy Bay Creek

Fair

Kewaunee County, Wisconsin · 0.7M N JCT Cth G · Structure no. B31001000000000

Built
1958
67 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
1,900
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 42 over Sandy Bay Creek is a concrete continuous culvert carrying Sth 42 over Sandy Bay Creek in Kewaunee County, Wisconsin. It was built in 1958, so it is 67 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,900 vehicles a day, roughly 8% of them trucks, projected to reach 3,310 by 2043. The structure is 33 ft (10.2 m) long. If it were closed, the detour would be 32.9 mi (53 km).

CarriesSth 42
CrossesSandy Bay Creek
Location0.7M N JCT Cth G
RouteState Highway 42
Coordinates44.38171, -87.54207
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
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 rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length33 ft (10.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2022)
Projected traffic3,310 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 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 Sandy Bay Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is Sth 42 over Sandy Bay Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does Sth 42 over Sandy Bay Creek carry?

About 1,900 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Sth 42 over Sandy Bay Creek?

The structure is 33 ft (10.2 m) long with a longest span of 10 ft (3 m).

Who owns Sth 42 over Sandy Bay Creek?

It is owned by the State Highway Agency.