SE Ketchum RD over Grindstone CR
GoodDeKalb County, Missouri · S 10 T 58 N R 30 W · Structure no. 30079
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 111 ft
- 3 main spans
- Daily traffic
- 40
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
SE Ketchum RD over Grindstone CR is a prestressed concrete continuous stringer/multi-beam or girder carrying SE Ketchum RD over Grindstone CR in DeKalb County, Missouri. It was built in 2003, so it is 22 years old, younger than the Missouri average of 45.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 40 vehicles a day, roughly 10% of them trucks, projected to reach 46 by 2044. The structure is 111 ft (33.8 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SE Ketchum RD over Grindstone CR built?
It was built in 2003, making it 22 years old in 2025.
What condition is SE Ketchum RD over Grindstone CR 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 February 2023.
How much traffic does SE Ketchum RD over Grindstone CR carry?
About 40 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is SE Ketchum RD over Grindstone CR?
The structure is 111 ft (33.8 m) long with a longest span of 40 ft (12.2 m) and a deck 27 ft wide.
Who owns SE Ketchum RD over Grindstone CR?
It is owned by the County Highway Agency.