I029 N over 302 ST (fas 6372)
PoorPosted for loadUnion County, South Dakota · 5 S Sd 46 Interchange · Structure no. 000000064006050
- Built
- 1960
- 65 years old
- Condition
- Poor
- inspected December 2023
- Type
- Slab
- Concrete Continuous
- Length
- 119 ft
- 3 main spans
- Daily traffic
- 8,020
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I029 N over 302 ST (fas 6372) is a concrete continuous slab carrying I029 N over 302 ST (fas 6372) in Union County, South Dakota. It was built in 1960, so it is 65 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 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. Its operating status is: posted for load restriction.
It carries about 8,020 vehicles a day, roughly 32% of them trucks, projected to reach 13,201 by 2044. The structure is 119 ft (36.3 m) long and 44 ft wide.
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I029 N over 302 ST (fas 6372) built?
It was built in 1960, making it 65 years old in 2025.
What condition is I029 N over 302 ST (fas 6372) 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 December 2023.
How much traffic does I029 N over 302 ST (fas 6372) carry?
About 8,020 vehicles per day (2024 count), of which roughly 32% are trucks.
How long is I029 N over 302 ST (fas 6372)?
The structure is 119 ft (36.3 m) long with a longest span of 43 ft (13 m) and a deck 44 ft wide.
Who owns I029 N over 302 ST (fas 6372)?
It is owned by the State Highway Agency.