Csah 20 over Plum Creek
GoodRedwood County, Minnesota · 0.1 MI E of JCT CR 78 · Structure no. 64520
- Built
- 1974
- 51 years old
- Condition
- Good
- inspected September 2024
- Type
- Channel Beam
- Prestressed Concrete
- Length
- 93 ft
- 3 main spans
- Daily traffic
- 510
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 20 over Plum Creek is a prestressed concrete channel beam carrying Csah 20 over Plum Creek in Redwood County, Minnesota. It was built in 1974, so it is 51 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 510 vehicles a day, projected to reach 540 by 2039. The structure is 93 ft (28.4 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 20 over Plum Creek built?
It was built in 1974, making it 51 years old in 2025.
What condition is Csah 20 over Plum Creek 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 2024.
How much traffic does Csah 20 over Plum Creek carry?
About 510 vehicles per day (2019 count).
How long is Csah 20 over Plum Creek?
The structure is 93 ft (28.4 m) long with a longest span of 31 ft (9.4 m) and a deck 46 ft wide.
Who owns Csah 20 over Plum Creek?
It is owned by the County Highway Agency.