161st Street over James River
GoodSpink County, South Dakota · 4.2N 2.4E Ashton · Structure no. 000000058133130
- Built
- 2004
- 21 years old
- Condition
- Good
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 115 ft
- 1 main span
- Daily traffic
- 50
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
161st Street over James River is a prestressed concrete stringer/multi-beam or girder carrying 161st Street over James River in Spink County, South Dakota. It was built in 2004, so it is 21 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 50 vehicles a day, roughly 3% of them trucks, projected to reach 55 by 2032. The structure is 115 ft (35.1 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 161st Street over James River built?
It was built in 2004, making it 21 years old in 2025.
What condition is 161st Street over James 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 August 2023.
How much traffic does 161st Street over James River carry?
About 50 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is 161st Street over James River?
The structure is 115 ft (35.1 m) long with a longest span of 109 ft (33.3 m) and a deck 32 ft wide.
Who owns 161st Street over James River?
It is owned by the County Highway Agency.