US Bridges

Sth 54 over School Creek

Good

Kewaunee County, Wisconsin · 1.9M E JCT Cth P to N · Structure no. B31004900000000

Built
1997
28 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
7,800
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 54 over School Creek is a concrete continuous culvert carrying Sth 54 over School Creek in Kewaunee County, Wisconsin. It was built in 1997, so it is 28 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 7,800 vehicles a day, roughly 5% of them trucks, projected to reach 9,620 by 2043. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 39.8 mi (64 km).

CarriesSth 54
CrossesSchool Creek
Location1.9M E JCT Cth P to N
RouteState Highway 54
Coordinates44.54526, -87.74602
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 loadHS 20
Structure length38 ft (11.6 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,800 (2022)
Projected traffic9,620 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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 54 over School Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Sth 54 over School 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 2024.

How much traffic does Sth 54 over School Creek carry?

About 7,800 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Sth 54 over School Creek?

The structure is 38 ft (11.6 m) long with a longest span of 11 ft (3.4 m).

Who owns Sth 54 over School Creek?

It is owned by the State Highway Agency.