Forby RD over Clifty CR
GoodSt. Louis County, Missouri · S 26 T 44 N R 3 E · Structure no. 32857
- Built
- 2009
- 16 years old
- Condition
- Good
- inspected January 2024
- Type
- Culvert
- Concrete
- Length
- 24 ft
- 1 main span
- Daily traffic
- 460
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Forby RD over Clifty CR is a concrete culvert carrying Forby RD over Clifty CR in St. Louis County, Missouri. It was built in 2009, so it is 16 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 460 vehicles a day, roughly 10% of them trucks, projected to reach 736 by 2043. The structure is 24 ft (7.3 m) long and 30 ft wide. If it were closed, the detour would be 11.2 mi (18 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Forby RD over Clifty CR built?
It was built in 2009, making it 16 years old in 2025.
What condition is Forby RD over Clifty 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 January 2024.
How much traffic does Forby RD over Clifty CR carry?
About 460 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is Forby RD over Clifty CR?
The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 30 ft wide.
Who owns Forby RD over Clifty CR?
It is owned by the City or Municipal Highway Agency.