393rd Avenue over Elm River
GoodBrown County, South Dakota · 3.6S & 3W of Columbia · Structure no. 000000007170261
- Built
- 1996
- 29 years old
- Condition
- Good
- inspected July 2024
- Type
- Slab
- Concrete Continuous
- Length
- 89 ft
- 3 main spans
- Daily traffic
- 158
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
393rd Avenue over Elm River is a concrete continuous slab carrying 393rd Avenue over Elm River in Brown County, South Dakota. It was built in 1996, so it is 29 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 158 vehicles a day, roughly 2% of them trucks, projected to reach 158 by 2032. The structure is 89 ft (27 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 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 393rd Avenue over Elm River built?
It was built in 1996, making it 29 years old in 2025.
What condition is 393rd Avenue over Elm 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 July 2024.
How much traffic does 393rd Avenue over Elm River carry?
About 158 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 393rd Avenue over Elm River?
The structure is 89 ft (27 m) long with a longest span of 33 ft (10.1 m) and a deck 31 ft wide.
Who owns 393rd Avenue over Elm River?
It is owned by the County Highway Agency.