US Bridges

Lrd 30th ST over Willow River

Good

Polk County, Wisconsin · 1.7 Miles S of Junction W · Structure no. B48005500000000

Built
2021
4 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
100
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd 30th ST over Willow River is a prestressed concrete stringer/multi-beam or girder carrying Lrd 30th ST over Willow River in Polk County, Wisconsin. It was built in 2021, so it is 4 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 100 by 2041. The structure is 67 ft (20.3 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLrd 30th ST
CrossesWillow River
Location1.7 Miles S of Junction W
RouteCity Street 0
Coordinates45.23446, -92.21966
Functional classRural Local

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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.2 US tons
Inventory rating42.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length67 ft (20.3 m)
Longest span64 ft (19.5 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic100 by 2041
Trucks5%
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 30th ST over Willow River built?

It was built in 2021, making it 4 years old in 2025.

What condition is Lrd 30th ST over Willow River 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 April 2024.

How much traffic does Lrd 30th ST over Willow River carry?

About 100 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Lrd 30th ST over Willow River?

The structure is 67 ft (20.3 m) long with a longest span of 64 ft (19.5 m) and a deck 27 ft wide.

Who owns Lrd 30th ST over Willow River?

It is owned by the Town or Township Highway Agency.