S. Cliff Avenue over Big Sioux River
PoorMinnehaha County, South Dakota · South of I-229 · Structure no. 000000050210232
- Built
- 1986
- 39 years old
- Condition
- Poor
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 324 ft
- 4 main spans
- Daily traffic
- 9,363
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
S. Cliff Avenue over Big Sioux River is a steel continuous stringer/multi-beam or girder carrying S. Cliff Avenue over Big Sioux River in Minnehaha County, South Dakota. It was built in 1986, so it is 39 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 9,363 vehicles a day, roughly 8% of them trucks, projected to reach 9,363 by 2032. The structure is 324 ft (98.8 m) long and 51 ft wide. If it were closed, the detour would be 2.5 mi (4 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S. Cliff Avenue over Big Sioux River built?
It was built in 1986, making it 39 years old in 2025.
What condition is S. Cliff Avenue over Big Sioux River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.
How much traffic does S. Cliff Avenue over Big Sioux River carry?
About 9,363 vehicles per day (2022 count), of which roughly 8% are trucks.
How long is S. Cliff Avenue over Big Sioux River?
The structure is 324 ft (98.8 m) long with a longest span of 90 ft (27.4 m) and a deck 51 ft wide.
Who owns S. Cliff Avenue over Big Sioux River?
It is owned by the City or Municipal Highway Agency.