Sth 47-STH 182 over Manitowish River
FairIron County, Wisconsin · 3.6M N JCT Sth 182 to W · Structure no. B26001400000000
- Built
- 1981
- 44 years old
- Condition
- Fair
- inspected June 2024
- Type
- Slab
- Concrete Continuous
- Length
- 86 ft
- 2 main spans
- Daily traffic
- 1,200
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 47-STH 182 over Manitowish River is a concrete continuous slab carrying Sth 47-STH 182 over Manitowish River in Iron County, Wisconsin. It was built in 1981, so it is 44 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 6 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 1,200 vehicles a day, roughly 13% of them trucks, projected to reach 1,520 by 2043. The structure is 86 ft (26.1 m) long and 34 ft wide. If it were closed, the detour would be 42.9 mi (69 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sth 47-STH 182 over Manitowish River built?
It was built in 1981, making it 44 years old in 2025.
What condition is Sth 47-STH 182 over Manitowish River 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 Sth 47-STH 182 over Manitowish River carry?
About 1,200 vehicles per day (2023 count), of which roughly 13% are trucks.
How long is Sth 47-STH 182 over Manitowish River?
The structure is 86 ft (26.1 m) long with a longest span of 43 ft (13 m) and a deck 34 ft wide.
Who owns Sth 47-STH 182 over Manitowish River?
It is owned by the State Highway Agency.