Csah 15 over Cloquet River
GoodSt. Louis County, Minnesota · 2.4 MI S of JCT Csah 48 · Structure no. 69511
- Built
- 1979
- 46 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 251 ft
- 3 main spans
- Daily traffic
- 680
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 15 over Cloquet River is a prestressed concrete stringer/multi-beam or girder carrying Csah 15 over Cloquet River in St. Louis County, Minnesota. It was built in 1979, so it is 46 years old, older than the Minnesota average of 38.5 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 680 vehicles a day, projected to reach 670 by 2039. The structure is 251 ft (76.4 m) long and 39 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 15 over Cloquet River built?
It was built in 1979, making it 46 years old in 2025.
What condition is Csah 15 over Cloquet 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 Csah 15 over Cloquet River carry?
About 680 vehicles per day (2019 count).
How long is Csah 15 over Cloquet River?
The structure is 251 ft (76.4 m) long with a longest span of 82 ft (25 m) and a deck 39 ft wide.
Who owns Csah 15 over Cloquet River?
It is owned by the County Highway Agency.