SD073 over I090
FairJackson County, South Dakota · Sd 73 S Interchange · Structure no. 000000036309106
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected December 2022
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 254 ft
- 4 main spans
- Daily traffic
- 1,508
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD073 over I090 is a prestressed concrete continuous stringer/multi-beam or girder carrying SD073 over I090 in Jackson County, South Dakota. It was built in 1966, so it is 59 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 6 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 1,508 vehicles a day, roughly 12% of them trucks, projected to reach 2,175 by 2044. The structure is 254 ft (77.4 m) long and 32 ft wide.
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD073 over I090 built?
It was built in 1966, making it 59 years old in 2025.
What condition is SD073 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 December 2022.
How much traffic does SD073 over I090 carry?
About 1,508 vehicles per day (2024 count), of which roughly 12% are trucks.
How long is SD073 over I090?
The structure is 254 ft (77.4 m) long with a longest span of 70 ft (21.3 m) and a deck 32 ft wide.
Who owns SD073 over I090?
It is owned by the State Highway Agency.