Gilbert Hett RD over Trib. to Grand River
GoodHarding County, South Dakota · 7.1W & 5.5S Buffalo · Structure no. 000000032178310
- Built
- 2008
- 17 years old
- Condition
- Good
- inspected April 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 29 ft
- 2 main spans
- Daily traffic
- 25
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Gilbert Hett RD over Trib. to Grand River is a concrete continuous culvert carrying Gilbert Hett RD over Trib. to Grand River in Harding County, South Dakota. It was built in 2008, so it is 17 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 25 vehicles a day, roughly 2% of them trucks, projected to reach 25 by 2032. The structure is 29 ft (8.7 m) long. If it were closed, the detour would be 41 mi (66 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 Gilbert Hett RD over Trib. to Grand River built?
It was built in 2008, making it 17 years old in 2025.
What condition is Gilbert Hett RD over Trib. to Grand River 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 April 2024.
How much traffic does Gilbert Hett RD over Trib. to Grand River carry?
About 25 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is Gilbert Hett RD over Trib. to Grand River?
The structure is 29 ft (8.7 m) long with a longest span of 14 ft (4.3 m).
Who owns Gilbert Hett RD over Trib. to Grand River?
It is owned by the County Highway Agency.