US Bridges

Lrd Polk St- Croix over Willow River

Fair

St. Croix County, Wisconsin · 1.6M E JCT Ush 63 · Structure no. P55006900000000

Built
1928
97 years old, rebuilt 1960
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
47 ft
1 main span
Daily traffic
210
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Polk St- Croix over Willow River is a steel stringer/multi-beam or girder carrying Lrd Polk St- Croix over Willow River in St. Croix County, Wisconsin. It was built in 1928 and reconstructed in 1960, so it is 97 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 5 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 210 vehicles a day, projected to reach 223 by 2043. The structure is 47 ft (14.3 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLrd Polk St- Croix
CrossesWillow River
Location1.6M E JCT Ush 63
RouteCity Street 0
CountySt. Croix County
StateWisconsin
Coordinates45.20916, -92.25328
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.2 US tons
Inventory rating19.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length47 ft (14.3 m)
Longest span45 ft (13.8 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2022)
Projected traffic223 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Lrd Polk St- Croix over Willow River built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1960.

What condition is Lrd Polk St- Croix over Willow River 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 October 2024.

How much traffic does Lrd Polk St- Croix over Willow River carry?

About 210 vehicles per day (2022 count).

How long is Lrd Polk St- Croix over Willow River?

The structure is 47 ft (14.3 m) long with a longest span of 45 ft (13.8 m) and a deck 27 ft wide.

Who owns Lrd Polk St- Croix over Willow River?

It is owned by the Town or Township Highway Agency.