454 Avenue over Indian River
PoorPosted for loadGrant County, South Dakota · 10.7W & 4.3S Marvin · Structure no. 000000026050088
- Built
- 1936
- 89 years old
- Condition
- Poor
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 80 ft
- 3 main spans
- Daily traffic
- 20
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
454 Avenue over Indian River is a steel stringer/multi-beam or girder carrying 454 Avenue over Indian River in Grant County, South Dakota. It was built in 1936, so it is 89 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 20 vehicles a day, roughly 2% of them trucks, projected to reach 20 by 2032. The structure is 80 ft (24.4 m) long and 19 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 454 Avenue over Indian River built?
It was built in 1936, making it 89 years old in 2025.
What condition is 454 Avenue over Indian River 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 August 2024.
How much traffic does 454 Avenue over Indian River carry?
About 20 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 454 Avenue over Indian River?
The structure is 80 ft (24.4 m) long with a longest span of 26 ft (8 m) and a deck 19 ft wide.
Who owns 454 Avenue over Indian River?
It is owned by the County Highway Agency.