Csah 21 over Unnamed
GoodScott County, Minnesota · 0.3 M N of Csah 16 · Structure no. 70J44
- Built
- 2009
- 16 years old
- Condition
- Good
- inspected September 2022
- Type
- Culvert
- Concrete
- Length
- 32 ft
- 2 main spans
- Daily traffic
- 12,200
- 2017 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 21 over Unnamed is a concrete culvert carrying Csah 21 over Unnamed in Scott County, Minnesota. It was built in 2009, so it is 16 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 12,200 vehicles a day, roughly 3% of them trucks, projected to reach 12,200 by 2037. The structure is 32 ft (9.9 m) long. If it were closed, the detour would be 1.2 mi (2 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 | 9 Excellent | No problems noted. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 21 over Unnamed built?
It was built in 2009, making it 16 years old in 2025.
What condition is Csah 21 over Unnamed 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 September 2022.
How much traffic does Csah 21 over Unnamed carry?
About 12,200 vehicles per day (2017 count), of which roughly 3% are trucks.
How long is Csah 21 over Unnamed?
The structure is 32 ft (9.9 m) long with a longest span of 14 ft (4.3 m).
Who owns Csah 21 over Unnamed?
It is owned by the County Highway Agency.