US Bridges

Sth 42 over Three Mile Creek

Good

Kewaunee County, Wisconsin · 1.5 MI S of Jct. Cth K · Structure no. B31011200000000

Built
2020
5 years old
Condition
Good
inspected August 2022
Type
Slab
Concrete
Length
49 ft
1 main span
Daily traffic
3,300
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 42 over Three Mile Creek is a concrete slab carrying Sth 42 over Three Mile Creek in Kewaunee County, Wisconsin. It was built in 2020, so it is 5 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 3,300 vehicles a day, roughly 7% of them trucks, projected to reach 5,300 by 2040. The structure is 49 ft (14.9 m) long and 43 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSth 42
CrossesThree Mile Creek
Location1.5 MI S of Jct. Cth K
Coordinates44.56833, -87.45667
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating47.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length49 ft (14.9 m)
Longest span46 ft (14 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2022)
Projected traffic5,300 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Three Mile Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Sth 42 over Three Mile 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 August 2022.

How much traffic does Sth 42 over Three Mile Creek carry?

About 3,300 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Sth 42 over Three Mile Creek?

The structure is 49 ft (14.9 m) long with a longest span of 46 ft (14 m) and a deck 43 ft wide.

Who owns Sth 42 over Three Mile Creek?

It is owned by the State Highway Agency.