Sth 13 over Amnicon River
GoodDouglas County, Wisconsin · 4.9M N JCT Cth D (a) · Structure no. B16005200000000
- Built
- 1985
- 40 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 134 ft
- 1 main span
- Daily traffic
- 2,100
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 13 over Amnicon River is a prestressed concrete stringer/multi-beam or girder carrying Sth 13 over Amnicon River in Douglas County, Wisconsin. It was built in 1985, so it is 40 years old, younger than the Wisconsin average of 40.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 2,100 vehicles a day, roughly 9% of them trucks, projected to reach 2,700 by 2043. The structure is 134 ft (40.7 m) long and 37 ft wide. If it were closed, the detour would be 29.8 mi (48 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| 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 13 over Amnicon River built?
It was built in 1985, making it 40 years old in 2025.
What condition is Sth 13 over Amnicon River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.
How much traffic does Sth 13 over Amnicon River carry?
About 2,100 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is Sth 13 over Amnicon River?
The structure is 134 ft (40.7 m) long with a longest span of 130 ft (39.6 m) and a deck 37 ft wide.
Who owns Sth 13 over Amnicon River?
It is owned by the State Highway Agency.