T 166 over Cannon River
FairDakota County, Minnesota · 0.1 MI SE of JCT Csah 47 · Structure no. 19563
- Built
- 2010
- 15 years old
- Condition
- Fair
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 293 ft
- 3 main spans
- Daily traffic
- 403
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
T 166 over Cannon River is a prestressed concrete stringer/multi-beam or girder carrying T 166 over Cannon River in Dakota County, Minnesota. It was built in 2010, so it is 15 years old, younger than the Minnesota average of 38.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 403 vehicles a day, roughly 6% of them trucks, projected to reach 125 by 2042. The structure is 293 ft (89.3 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T 166 over Cannon River built?
It was built in 2010, making it 15 years old in 2025.
What condition is T 166 over Cannon 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 January 2025.
How much traffic does T 166 over Cannon River carry?
About 403 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is T 166 over Cannon River?
The structure is 293 ft (89.3 m) long with a longest span of 102 ft (31.2 m) and a deck 35 ft wide.
Who owns T 166 over Cannon River?
It is owned by the Town or Township Highway Agency.