US Bridges

Lrd Lagoon RD over Frog Creek

Fair

Washburn County, Wisconsin · 1.6M N JCT Sth 77 · Structure no. B65002000000000

Built
1978
47 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
61 ft
2 main spans
Daily traffic
75
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Lagoon RD over Frog Creek is a concrete continuous slab carrying Lrd Lagoon RD over Frog Creek in Washburn County, Wisconsin. It was built in 1978, so it is 47 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 75 vehicles a day, projected to reach 63 by 2043. The structure is 61 ft (18.5 m) long and 26 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesLrd Lagoon RD
CrossesFrog Creek
Location1.6M N JCT Sth 77
RouteCity Street 0
Coordinates46.11444, -91.79086
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length61 ft (18.5 m)
Longest span30 ft (9 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2024)
Projected traffic63 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 Lagoon RD over Frog Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Lrd Lagoon RD over Frog Creek 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 September 2024.

How much traffic does Lrd Lagoon RD over Frog Creek carry?

About 75 vehicles per day (2024 count).

How long is Lrd Lagoon RD over Frog Creek?

The structure is 61 ft (18.5 m) long with a longest span of 30 ft (9 m) and a deck 26 ft wide.

Who owns Lrd Lagoon RD over Frog Creek?

It is owned by the Town or Township Highway Agency.