US Bridges

Ush 10 over ST Croix River 01

Fair

Pierce County, Wisconsin · Minnesota State Line · Structure no. B47004000000000

Built
1990
35 years old
Condition
Fair
inspected April 2024
Type
Movable - Bascule
Steel
Length
683 ft
1 main span
Daily traffic
16,800
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 10 over ST Croix River 01 is a steel movable - bascule carrying Ush 10 over ST Croix River 01 in Pierce County, Wisconsin. It was built in 1990, so it is 35 years old, younger 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 16,800 vehicles a day, roughly 10% of them trucks, projected to reach 16,900 by 2043. The structure is 683 ft (208.1 m) long and 66 ft wide. If it were closed, the detour would be 46.6 mi (75 km).

Location

Open in Google Maps
CarriesUsh 10
CrossesST Croix River 01
LocationMinnesota State Line
RouteU.S. Route 10
CountyPierce County
StateWisconsin
Coordinates44.74926, -92.80331
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.8 US tons
Inventory rating53.6 US tons

Structure

Structure typeMovable - Bascule
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length683 ft (208.1 m)
Longest span205 ft (62.6 m)
Deck width66 ft (20.1 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,800 (2022)
Projected traffic16,900 by 2043
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed46.6 mi (75 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Ush 10 over ST Croix River 01 built?

It was built in 1990, making it 35 years old in 2025.

What condition is Ush 10 over ST Croix River 01 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 April 2024.

How much traffic does Ush 10 over ST Croix River 01 carry?

About 16,800 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Ush 10 over ST Croix River 01?

The structure is 683 ft (208.1 m) long with a longest span of 205 ft (62.6 m) and a deck 66 ft wide.

Who owns Ush 10 over ST Croix River 01?

It is owned by the State Highway Agency.