305 Avenue over Okobojo Ck
GoodSully County, South Dakota · 1.9S & 0.8E Agar · Structure no. 000000060320059
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected July 2021
- Type
- Culvert
- Concrete Continuous
- Length
- 50 ft
- 4 main spans
- Daily traffic
- 80
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
305 Avenue over Okobojo Ck is a concrete continuous culvert carrying 305 Avenue over Okobojo Ck in Sully County, South Dakota. It was built in 1990, so it is 35 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 80 vehicles a day, roughly 2% of them trucks, projected to reach 80 by 2032. The structure is 50 ft (15.2 m) long. If it were closed, the detour would be 6.2 mi (10 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 305 Avenue over Okobojo Ck built?
It was built in 1990, making it 35 years old in 2025.
What condition is 305 Avenue over Okobojo Ck in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2021.
How much traffic does 305 Avenue over Okobojo Ck carry?
About 80 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 305 Avenue over Okobojo Ck?
The structure is 50 ft (15.2 m) long with a longest span of 12 ft (3.7 m).
Who owns 305 Avenue over Okobojo Ck?
It is owned by the County Highway Agency.