US Bridges

Lrd Norwegian RD over Ashippun River

Poor

Waukesha County, Wisconsin · 0.8M N JCT Cth Cw · Structure no. P67008700000000

Built
1929
96 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
98
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lrd Norwegian RD over Ashippun River is a steel stringer/multi-beam or girder carrying Lrd Norwegian RD over Ashippun River in Waukesha County, Wisconsin. It was built in 1929, so it is 96 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 98 vehicles a day, projected to reach 103 by 2043. The structure is 27 ft (8.1 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesLrd Norwegian RD
CrossesAshippun River
Location0.8M N JCT Cth Cw
RouteCity Street 0
CountyWaukesha County
StateWisconsin
Coordinates43.19198, -88.43783
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating52.2 US tons
Inventory rating30.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.1 m)
Longest span25 ft (7.7 m)
Deck width21 ft (6.3 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic98 (2023)
Projected traffic103 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$145,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lrd Norwegian RD over Ashippun River built?

It was built in 1929, making it 96 years old in 2025.

What condition is Lrd Norwegian RD over Ashippun River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Lrd Norwegian RD over Ashippun River carry?

About 98 vehicles per day (2023 count).

How long is Lrd Norwegian RD over Ashippun River?

The structure is 27 ft (8.1 m) long with a longest span of 25 ft (7.7 m) and a deck 21 ft wide.

Who owns Lrd Norwegian RD over Ashippun River?

It is owned by the Town or Township Highway Agency.