CR 668 over Dark River
GoodSt. Louis County, Minnesota · 1.4 MI S of JCT CR461 · Structure no. 69A32
- Built
- 2016
- 9 years old
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 42 ft
- 1 main span
- Daily traffic
- 22
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
CR 668 over Dark River is a prestressed concrete stringer/multi-beam or girder carrying CR 668 over Dark River in St. Louis County, Minnesota. It was built in 2016, so it is 9 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 22 vehicles a day, projected to reach 27 by 2035. The structure is 42 ft (12.8 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was CR 668 over Dark River built?
It was built in 2016, making it 9 years old in 2025.
What condition is CR 668 over Dark 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 June 2023.
How much traffic does CR 668 over Dark River carry?
About 22 vehicles per day (2015 count).
How long is CR 668 over Dark River?
The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.
Who owns CR 668 over Dark River?
It is owned by the County Highway Agency.