N. Bahnson Avenue over Big Sioux River
GoodMinnehaha County, South Dakota · North of E. Rice Street · Structure no. 000000050222192
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 344 ft
- 4 main spans
- Daily traffic
- 880
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
N. Bahnson Avenue over Big Sioux River is a steel continuous stringer/multi-beam or girder carrying N. Bahnson Avenue over Big Sioux River in Minnehaha County, South Dakota. It was built in 1989, so it is 36 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 880 vehicles a day, roughly 2% of them trucks, projected to reach 1,080 by 2032. The structure is 344 ft (104.9 m) long and 35 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 | 8 Very Good | No problems noted. |
| 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 N. Bahnson Avenue over Big Sioux River built?
It was built in 1989, making it 36 years old in 2025.
What condition is N. Bahnson Avenue over Big Sioux 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 October 2024.
How much traffic does N. Bahnson Avenue over Big Sioux River carry?
About 880 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is N. Bahnson Avenue over Big Sioux River?
The structure is 344 ft (104.9 m) long with a longest span of 95 ft (29 m) and a deck 35 ft wide.
Who owns N. Bahnson Avenue over Big Sioux River?
It is owned by the City or Municipal Highway Agency.