US Bridges

IH 41 NB/43 Sb/Ih over Lrd Parking Lot Bus Ramp

Fair

Milwaukee County, Wisconsin · 0.9M S JCT Sth 241 to N · Structure no. B40020000000000

Built
1966
59 years old, rebuilt 1994
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
160 ft
3 main spans
Daily traffic
67,000
2021 count
Owner
State
State Highway Agency

About this bridge

IH 41 NB/43 Sb/Ih over Lrd Parking Lot Bus Ramp is a steel continuous stringer/multi-beam or girder carrying IH 41 NB/43 Sb/Ih over Lrd Parking Lot Bus Ramp in Milwaukee County, Wisconsin. It was built in 1966 and reconstructed in 1994, so it is 59 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 67,000 vehicles a day, roughly 1% of them trucks, projected to reach 80,400 by 2041. The structure is 160 ft (48.7 m) long and 60 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIH 41 NB/43 Sb/Ih
CrossesLrd Parking Lot Bus Ramp
Location0.9M S JCT Sth 241 to N
RouteInterstate 41
Coordinates42.96174, -87.96382
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.5 US tons
Inventory rating50 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length160 ft (48.7 m)
Longest span72 ft (21.9 m)
Deck width60 ft (18.3 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic67,000 (2021)
Projected traffic80,400 by 2041
Trucks1%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
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$990,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 41 NB/43 Sb/Ih over Lrd Parking Lot Bus Ramp built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1994.

What condition is IH 41 NB/43 Sb/Ih over Lrd Parking Lot Bus Ramp in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does IH 41 NB/43 Sb/Ih over Lrd Parking Lot Bus Ramp carry?

About 67,000 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is IH 41 NB/43 Sb/Ih over Lrd Parking Lot Bus Ramp?

The structure is 160 ft (48.7 m) long with a longest span of 72 ft (21.9 m) and a deck 60 ft wide.

Who owns IH 41 NB/43 Sb/Ih over Lrd Parking Lot Bus Ramp?

It is owned by the State Highway Agency.