US Bridges

IH 41 Nb/Ush 45 NB over Lrd Watertown Plank Road

Good

Milwaukee County, Wisconsin · 1.0 MI N JCT Ush 18 · Structure no. B40078000000000

Built
2014
11 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
191 ft
2 main spans
Daily traffic
55,900
2022 count
Owner
State
State Highway Agency

About this bridge

IH 41 Nb/Ush 45 NB over Lrd Watertown Plank Road is a prestressed concrete stringer/multi-beam or girder carrying IH 41 Nb/Ush 45 NB over Lrd Watertown Plank Road in Milwaukee County, Wisconsin. It was built in 2014, so it is 11 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 55,900 vehicles a day, projected to reach 55,900 by 2043. The structure is 191 ft (58.1 m) long and 75 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesIH 41 Nb/Ush 45 NB
CrossesLrd Watertown Plank Road
Location1.0 MI N JCT Ush 18
RouteInterstate 41
CountyMilwaukee County
StateWisconsin
Coordinates43.0452, -88.03564
Functional classUrban Principal Arterial - Interstate

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.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating36.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length191 ft (58.1 m)
Longest span92 ft (28 m)
Deck width75 ft (22.8 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55,900 (2022)
Projected traffic55,900 by 2043
Trucks0%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$1.2 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 41 Nb/Ush 45 NB over Lrd Watertown Plank Road built?

It was built in 2014, making it 11 years old in 2025.

What condition is IH 41 Nb/Ush 45 NB over Lrd Watertown Plank Road 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 IH 41 Nb/Ush 45 NB over Lrd Watertown Plank Road carry?

About 55,900 vehicles per day (2022 count).

How long is IH 41 Nb/Ush 45 NB over Lrd Watertown Plank Road?

The structure is 191 ft (58.1 m) long with a longest span of 92 ft (28 m) and a deck 75 ft wide.

Who owns IH 41 Nb/Ush 45 NB over Lrd Watertown Plank Road?

It is owned by the State Highway Agency.