IH 41 NB/894 Wb-Ha over Root River Marsh
FairMilwaukee County, Wisconsin · 1.1M W JCT Sth 24 to W · Structure no. B40032400000000
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 297 ft
- 6 main spans
- Daily traffic
- 47,700
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
IH 41 NB/894 Wb-Ha over Root River Marsh is a prestressed concrete stringer/multi-beam or girder carrying IH 41 NB/894 Wb-Ha over Root River Marsh in Milwaukee County, Wisconsin. It was built in 1966, 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 47,700 vehicles a day, roughly 1% of them trucks, projected to reach 92,990 by 2043. The structure is 297 ft (90.5 m) long and 63 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IH 41 NB/894 Wb-Ha over Root River Marsh built?
It was built in 1966, making it 59 years old in 2025.
What condition is IH 41 NB/894 Wb-Ha over Root River Marsh 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/894 Wb-Ha over Root River Marsh carry?
About 47,700 vehicles per day (2021 count), of which roughly 1% are trucks.
How long is IH 41 NB/894 Wb-Ha over Root River Marsh?
The structure is 297 ft (90.5 m) long with a longest span of 49 ft (14.9 m) and a deck 63 ft wide.
Who owns IH 41 NB/894 Wb-Ha over Root River Marsh?
It is owned by the State Highway Agency.