483rd Avenue over Trib to Split Rock Ck
PoorPosted for loadMinnehaha County, South Dakota · 2.9N & 1E Corson · Structure no. 000000050290131
- Built
- 1937
- 88 years old
- Condition
- Poor
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 37 ft
- 3 main spans
- Daily traffic
- 28
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
483rd Avenue over Trib to Split Rock Ck is a steel stringer/multi-beam or girder carrying 483rd Avenue over Trib to Split Rock Ck in Minnehaha County, South Dakota. It was built in 1937, so it is 88 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 poor condition with a lowest component rating of 3 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. Its operating status is: posted for load restriction.
It carries about 28 vehicles a day, roughly 2% of them trucks, projected to reach 33 by 2037. The structure is 37 ft (11.4 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 483rd Avenue over Trib to Split Rock Ck built?
It was built in 1937, making it 88 years old in 2025.
What condition is 483rd Avenue over Trib to Split Rock Ck 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 June 2024.
How much traffic does 483rd Avenue over Trib to Split Rock Ck carry?
About 28 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 483rd Avenue over Trib to Split Rock Ck?
The structure is 37 ft (11.4 m) long with a longest span of 13 ft (3.9 m) and a deck 22 ft wide.
Who owns 483rd Avenue over Trib to Split Rock Ck?
It is owned by the County Highway Agency.