Sth 32-STH 57 over N Br Manitowoc River
FairCalumet County, Wisconsin · 0.4M N JCT Cth P · Structure no. B08001800000000
- Built
- 1987
- 38 years old
- Condition
- Fair
- inspected July 2024
- Type
- Slab
- Concrete Continuous
- Length
- 72 ft
- 2 main spans
- Daily traffic
- 4,600
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 32-STH 57 over N Br Manitowoc River is a concrete continuous slab carrying Sth 32-STH 57 over N Br Manitowoc River in Calumet County, Wisconsin. It was built in 1987, so it is 38 years old, younger 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 4,600 vehicles a day, roughly 10% of them trucks, projected to reach 4,430 by 2043. The structure is 72 ft (21.9 m) long and 46 ft wide. If it were closed, the detour would be 18.6 mi (30 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 32-STH 57 over N Br Manitowoc River built?
It was built in 1987, making it 38 years old in 2025.
What condition is Sth 32-STH 57 over N Br Manitowoc 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 July 2024.
How much traffic does Sth 32-STH 57 over N Br Manitowoc River carry?
About 4,600 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is Sth 32-STH 57 over N Br Manitowoc River?
The structure is 72 ft (21.9 m) long with a longest span of 35 ft (10.7 m) and a deck 46 ft wide.
Who owns Sth 32-STH 57 over N Br Manitowoc River?
It is owned by the State Highway Agency.