Chesterfld Rdge RD over Swingley Ridge RD
GoodSt. Louis County, Missouri · S 415 T 45 N R 4 E · Structure no. 34728
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected December 2023
- Type
- Slab
- Concrete
- Length
- 326 ft
- 6 main spans
- Daily traffic
- 400
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Chesterfld Rdge RD over Swingley Ridge RD is a concrete slab carrying Chesterfld Rdge RD over Swingley Ridge RD in St. Louis County, Missouri. It was built in 1997, so it is 28 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 400 vehicles a day, roughly 1% of them trucks, projected to reach 540 by 2043. The structure is 326 ft (99.4 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Chesterfld Rdge RD over Swingley Ridge RD built?
It was built in 1997, making it 28 years old in 2025.
What condition is Chesterfld Rdge RD over Swingley Ridge RD 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 December 2023.
How much traffic does Chesterfld Rdge RD over Swingley Ridge RD carry?
About 400 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is Chesterfld Rdge RD over Swingley Ridge RD?
The structure is 326 ft (99.4 m) long with a longest span of 60 ft (18.3 m) and a deck 33 ft wide.
Who owns Chesterfld Rdge RD over Swingley Ridge RD?
It is owned by the City or Municipal Highway Agency.