T 178 over S Fk Grindstone River
GoodPine County, Minnesota · 0.4 MI N of JCT Csah 18 · Structure no. 58J11
- Built
- 2002
- 23 years old
- Condition
- Good
- inspected October 2021
- Type
- Culvert
- Concrete
- Length
- 34 ft
- 2 main spans
- Daily traffic
- 30
- 2002 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
T 178 over S Fk Grindstone River is a concrete culvert carrying T 178 over S Fk Grindstone River in Pine County, Minnesota. It was built in 2002, so it is 23 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 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 30 vehicles a day, projected to reach 30 by 2029. The structure is 34 ft (10.5 m) long. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T 178 over S Fk Grindstone River built?
It was built in 2002, making it 23 years old in 2025.
What condition is T 178 over S Fk Grindstone 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 October 2021.
How much traffic does T 178 over S Fk Grindstone River carry?
About 30 vehicles per day (2002 count).
How long is T 178 over S Fk Grindstone River?
The structure is 34 ft (10.5 m) long with a longest span of 15 ft (4.7 m).
Who owns T 178 over S Fk Grindstone River?
It is owned by the Town or Township Highway Agency.