US Bridges

Lrd Blackhawk DR over Canal

Good

Waukesha County, Wisconsin · .25 Mil W of Sand Beach D · Structure no. P67090900000000

Built
1981
44 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
94
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Blackhawk DR over Canal is a prestressed concrete box beam or girders - multiple carrying Lrd Blackhawk DR over Canal in Waukesha County, Wisconsin. It was built in 1981, so it is 44 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 94 vehicles a day, projected to reach 103 by 2043. The structure is 40 ft (12.1 m) long and 17 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesLrd Blackhawk DR
CrossesCanal
Location.25 Mil W of Sand Beach D
RouteCity Street 0
Coordinates43.1292, -88.51187
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.1 m)
Longest span37 ft (11.4 m)
Deck width17 ft (5.3 m)
Roadway width13 ft (3.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic94 (2022)
Projected traffic103 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$236,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Blackhawk DR over Canal built?

It was built in 1981, making it 44 years old in 2025.

What condition is Lrd Blackhawk DR over Canal 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 October 2024.

How much traffic does Lrd Blackhawk DR over Canal carry?

About 94 vehicles per day (2022 count).

How long is Lrd Blackhawk DR over Canal?

The structure is 40 ft (12.1 m) long with a longest span of 37 ft (11.4 m) and a deck 17 ft wide.

Who owns Lrd Blackhawk DR over Canal?

It is owned by the Town or Township Highway Agency.