US Bridges

Lrd 500th ST over Hay River

Fair

Dunn County, Wisconsin · 0.2M N JCT Sth 170 · Structure no. B17010800000000

Built
1987
38 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
156 ft
3 main spans
Daily traffic
153
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd 500th ST over Hay River is a concrete continuous slab carrying Lrd 500th ST over Hay River in Dunn County, Wisconsin. It was built in 1987, so it is 38 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 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 153 vehicles a day, projected to reach 167 by 2043. The structure is 156 ft (47.5 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLrd 500th ST
CrossesHay River
Location0.2M N JCT Sth 170
RouteCity Street 0
CountyDunn County
StateWisconsin
Coordinates45.04751, -91.91129
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length156 ft (47.5 m)
Longest span62 ft (18.9 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic153 (2024)
Projected traffic167 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 500th ST over Hay River built?

It was built in 1987, making it 38 years old in 2025.

What condition is Lrd 500th ST over Hay 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 July 2024.

How much traffic does Lrd 500th ST over Hay River carry?

About 153 vehicles per day (2024 count).

How long is Lrd 500th ST over Hay River?

The structure is 156 ft (47.5 m) long with a longest span of 62 ft (18.9 m) and a deck 26 ft wide.

Who owns Lrd 500th ST over Hay River?

It is owned by the Town or Township Highway Agency.