County RD over Angostura Main Canal
GoodFall River County, South Dakota · 2S & 2W Oral · Structure no. 000000024373070
- Built
- 1978
- 47 years old
- Condition
- Good
- inspected May 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 65 ft
- 1 main span
- Daily traffic
- 241
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
County RD over Angostura Main Canal is a prestressed concrete tee beam carrying County RD over Angostura Main Canal in Fall River County, South Dakota. It was built in 1978, so it is 47 years old, younger than the South Dakota average of 48.9 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 241 vehicles a day, roughly 3% of them trucks, projected to reach 241 by 2032. The structure is 65 ft (19.8 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 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 County RD over Angostura Main Canal built?
It was built in 1978, making it 47 years old in 2025.
What condition is County RD over Angostura Main Canal 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 May 2024.
How much traffic does County RD over Angostura Main Canal carry?
About 241 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is County RD over Angostura Main Canal?
The structure is 65 ft (19.8 m) long with a longest span of 63 ft (19.2 m) and a deck 31 ft wide.
Who owns County RD over Angostura Main Canal?
It is owned by the County Highway Agency.