Sth 13 over Sand River
PoorBayfield County, Wisconsin · 2.6M N JCT Cth K to E · Structure no. B04001100000000
- Built
- 1956
- 69 years old, rebuilt 1989
- Condition
- Poor
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 134 ft
- 3 main spans
- Daily traffic
- 880
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 13 over Sand River is a steel continuous stringer/multi-beam or girder carrying Sth 13 over Sand River in Bayfield County, Wisconsin. It was built in 1956 and reconstructed in 1989, 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 880 vehicles a day, roughly 17% of them trucks, projected to reach 744 by 2043. The structure is 134 ft (40.7 m) long and 30 ft wide. If it were closed, the detour would be 59.7 mi (96 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sth 13 over Sand River built?
It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1989.
What condition is Sth 13 over Sand 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 May 2024.
How much traffic does Sth 13 over Sand River carry?
About 880 vehicles per day (2022 count), of which roughly 17% are trucks.
How long is Sth 13 over Sand River?
The structure is 134 ft (40.7 m) long with a longest span of 50 ft (15.2 m) and a deck 30 ft wide.
Who owns Sth 13 over Sand River?
It is owned by the State Highway Agency.