E 12th ST over I229
FairMinnehaha County, South Dakota · 12th ST Overhead · Structure no. 000000050219210
- Built
- 1997
- 28 years old
- Condition
- Fair
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 126 ft
- 2 main spans
- Daily traffic
- 7,195
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
E 12th ST over I229 is a steel continuous stringer/multi-beam or girder carrying E 12th ST over I229 in Minnehaha County, South Dakota. It was built in 1997, so it is 28 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 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 7,195 vehicles a day, roughly 5% of them trucks, projected to reach 7,195 by 2043. The structure is 126 ft (38.4 m) long and 66 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was E 12th ST over I229 built?
It was built in 1997, making it 28 years old in 2025.
What condition is E 12th ST over I229 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 2023.
How much traffic does E 12th ST over I229 carry?
About 7,195 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is E 12th ST over I229?
The structure is 126 ft (38.4 m) long with a longest span of 62 ft (18.9 m) and a deck 66 ft wide.
Who owns E 12th ST over I229?
It is owned by the State Highway Agency.