US Bridges

Lrd Winnequah RD ( over Pirate Island Channel

Good

Dane County, Wisconsin · 0.5M N JCT Ush 12 · Structure no. B13087300000000

Built
2021
4 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
250
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd Winnequah RD ( over Pirate Island Channel is a prestressed concrete stringer/multi-beam or girder carrying Lrd Winnequah RD ( over Pirate Island Channel in Dane 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 250 vehicles a day, projected to reach 251 by 2043. The structure is 56 ft (17.2 m) long and 32 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesLrd Winnequah RD (
CrossesPirate Island Channel
Location0.5M N JCT Ush 12
RouteCity Street 0
CountyDane County
StateWisconsin
Coordinates43.04822, -89.33544
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating46.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length56 ft (17.2 m)
Longest span54 ft (16.5 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2022)
Projected traffic251 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Winnequah RD ( over Pirate Island Channel built?

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

What condition is Lrd Winnequah RD ( over Pirate Island Channel 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 September 2024.

How much traffic does Lrd Winnequah RD ( over Pirate Island Channel carry?

About 250 vehicles per day (2022 count).

How long is Lrd Winnequah RD ( over Pirate Island Channel?

The structure is 56 ft (17.2 m) long with a longest span of 54 ft (16.5 m) and a deck 32 ft wide.

Who owns Lrd Winnequah RD ( over Pirate Island Channel?

It is owned by the City or Municipal Highway Agency.