391st Avenue over Elm River
FairBrown County, South Dakota · 0.9 S of Ordway · Structure no. 000000007150259
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 168 ft
- 3 main spans
- Daily traffic
- 570
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
391st Avenue over Elm River is a steel stringer/multi-beam or girder carrying 391st Avenue over Elm River in Brown County, South Dakota. It was built in 1968, so it is 57 years old, older than the South Dakota average of 48.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 570 vehicles a day, roughly 3% of them trucks, projected to reach 570 by 2032. The structure is 168 ft (51.2 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 391st Avenue over Elm River built?
It was built in 1968, making it 57 years old in 2025.
What condition is 391st Avenue over Elm River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.
How much traffic does 391st Avenue over Elm River carry?
About 570 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is 391st Avenue over Elm River?
The structure is 168 ft (51.2 m) long with a longest span of 64 ft (19.5 m) and a deck 32 ft wide.
Who owns 391st Avenue over Elm River?
It is owned by the County Highway Agency.