US Bridges

Lrd Irish RD over Killsnake River

Good

Calumet County, Wisconsin · 1.6M N JCT Cth Y · Structure no. B08003400000000

Built
1994
31 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
179
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Irish RD over Killsnake River is a prestressed concrete stringer/multi-beam or girder carrying Lrd Irish RD over Killsnake River in Calumet County, Wisconsin. It was built in 1994, so it is 31 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 179 vehicles a day, roughly 7% of them trucks, projected to reach 196 by 2043. The structure is 66 ft (20.1 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLrd Irish RD
CrossesKillsnake River
Location1.6M N JCT Cth Y
RouteCity Street 0
Coordinates44.05917, -88.14333
Functional classRural 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating77.4 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span64 ft (19.5 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic179 (2022)
Projected traffic196 by 2043
Trucks7%
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 Irish RD over Killsnake River built?

It was built in 1994, making it 31 years old in 2025.

What condition is Lrd Irish RD over Killsnake River 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 May 2024.

How much traffic does Lrd Irish RD over Killsnake River carry?

About 179 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Lrd Irish RD over Killsnake River?

The structure is 66 ft (20.1 m) long with a longest span of 64 ft (19.5 m) and a deck 30 ft wide.

Who owns Lrd Irish RD over Killsnake River?

It is owned by the Town or Township Highway Agency.