US Bridges

Sth 128 over Cady Creek

Good

St. Croix County, Wisconsin · 0.7M S JCT Ush 14 · Structure no. B55029000000000

Built
2023
2 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
36 ft
3 main spans
Daily traffic
2,720
2023 count
Owner
State
State Highway Agency

About this bridge

Sth 128 over Cady Creek is a concrete culvert carrying Sth 128 over Cady Creek in St. Croix County, Wisconsin. It was built in 2023, so it is 2 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 2,720 vehicles a day, roughly 10% of them trucks, projected to reach 3,180 by 2043. The structure is 36 ft (11 m) long. If it were closed, the detour would be 21.7 mi (35 km).

CarriesSth 128
CrossesCady Creek
Location0.7M S JCT Ush 14
RouteState Highway 128
Coordinates44.92763, -92.19694
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 protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length36 ft (11 m)
Longest span10 ft (2.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,720 (2023)
Projected traffic3,180 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 128 over Cady Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Sth 128 over Cady 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 September 2024.

How much traffic does Sth 128 over Cady Creek carry?

About 2,720 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Sth 128 over Cady Creek?

The structure is 36 ft (11 m) long with a longest span of 10 ft (2.9 m).

Who owns Sth 128 over Cady Creek?

It is owned by the State Highway Agency.