US Bridges

Lrd Shady Lane RD over Trappe River

Fair

Marathon County, Wisconsin · 0.1M N JCT Cth W · Structure no. B37018900000000

Built
1982
43 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
151 ft
2 main spans
Daily traffic
424
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Shady Lane RD over Trappe River is a prestressed concrete continuous stringer/multi-beam or girder carrying Lrd Shady Lane RD over Trappe River in Marathon County, Wisconsin. It was built in 1982, so it is 43 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 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 424 vehicles a day, projected to reach 453 by 2043. The structure is 151 ft (45.9 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLrd Shady Lane RD
CrossesTrappe River
Location0.1M N JCT Cth W
RouteCity Street 0
Coordinates45.07539, -89.60895
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.
Superstructure9 ExcellentNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length151 ft (45.9 m)
Longest span75 ft (22.9 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic424 (2024)
Projected traffic453 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Shady Lane RD over Trappe River built?

It was built in 1982, making it 43 years old in 2025.

What condition is Lrd Shady Lane RD over Trappe 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 September 2024.

How much traffic does Lrd Shady Lane RD over Trappe River carry?

About 424 vehicles per day (2024 count).

How long is Lrd Shady Lane RD over Trappe River?

The structure is 151 ft (45.9 m) long with a longest span of 75 ft (22.9 m) and a deck 32 ft wide.

Who owns Lrd Shady Lane RD over Trappe River?

It is owned by the Town or Township Highway Agency.