Ush 51 over Manitowish River
PoorVilas County, Wisconsin · 1.2M N JCT Cth W · Structure no. B63000300000000
- Built
- 1956
- 69 years old, rebuilt 1992
- Condition
- Poor
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 186 ft
- 3 main spans
- Daily traffic
- 3,800
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ush 51 over Manitowish River is a steel continuous stringer/multi-beam or girder carrying Ush 51 over Manitowish River in Vilas County, Wisconsin. It was built in 1956 and reconstructed in 1992, so it is 69 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 3,800 vehicles a day, roughly 10% of them trucks, projected to reach 4,020 by 2043. The structure is 186 ft (56.6 m) long and 34 ft wide. If it were closed, the detour would be 54.7 mi (88 km).
Location
Open in Google MapsCondition and inspection
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.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ush 51 over Manitowish River built?
It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1992.
What condition is Ush 51 over Manitowish 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 June 2024.
How much traffic does Ush 51 over Manitowish River carry?
About 3,800 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is Ush 51 over Manitowish River?
The structure is 186 ft (56.6 m) long with a longest span of 70 ft (21.3 m) and a deck 34 ft wide.
Who owns Ush 51 over Manitowish River?
It is owned by the State Highway Agency.