438 Ave over I090
FairMcCook County, South Dakota · 3.0 W US 81 Interch · Structure no. 000000044080125
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 254 ft
- 4 main spans
- Daily traffic
- 65
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
438 Ave over I090 is a steel continuous stringer/multi-beam or girder carrying 438 Ave over I090 in McCook County, South Dakota. It was built in 1964, so it is 61 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 65 vehicles a day, roughly 2% of them trucks, projected to reach 65 by 2043. The structure is 254 ft (77.4 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).
Location
No coordinates are recorded for this structure.
Condition 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 438 Ave over I090 built?
It was built in 1964, making it 61 years old in 2025.
What condition is 438 Ave over I090 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 February 2024.
How much traffic does 438 Ave over I090 carry?
About 65 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is 438 Ave over I090?
The structure is 254 ft (77.4 m) long with a longest span of 70 ft (21.3 m) and a deck 26 ft wide.
Who owns 438 Ave over I090?
It is owned by the State Highway Agency.