US Bridges

Lrd Shamrock Lane over Butler Ditch

Good

Waukesha County, Wisconsin · 0.7M N JCT Sth 190 · Structure no. P67078500000000

Built
1988
37 years old
Condition
Good
inspected October 2024
Type
Arch - Deck
Concrete
Length
44 ft
1 main span
Daily traffic
562
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lrd Shamrock Lane over Butler Ditch is a concrete arch - deck carrying Lrd Shamrock Lane over Butler Ditch in Waukesha County, Wisconsin. It was built in 1988, so it is 37 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 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 562 vehicles a day, projected to reach 618 by 2043. The structure is 44 ft (13.3 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLrd Shamrock Lane
CrossesButler Ditch
Location0.7M N JCT Sth 190
RouteCity Street 0
Coordinates43.09519, -88.10264
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 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 rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHS 20
Structure length44 ft (13.3 m)
Longest span22 ft (6.6 m)
Deck width40 ft (12.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic562 (2022)
Projected traffic618 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

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 Shamrock Lane over Butler Ditch built?

It was built in 1988, making it 37 years old in 2025.

What condition is Lrd Shamrock Lane over Butler Ditch 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 Shamrock Lane over Butler Ditch carry?

About 562 vehicles per day (2022 count).

How long is Lrd Shamrock Lane over Butler Ditch?

The structure is 44 ft (13.3 m) long with a longest span of 22 ft (6.6 m) and a deck 40 ft wide.

Who owns Lrd Shamrock Lane over Butler Ditch?

It is owned by the City or Municipal Highway Agency.