Is 270 E over Cst Conway RD
GoodSt. Louis County, Missouri · S 15 T 45 N R 5 E · Structure no. 37024
- Built
- 2023
- 2 years old
- Condition
- Good
- inspected May 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 77 ft
- 1 main span
- Daily traffic
- 82,813
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Is 270 E over Cst Conway RD is a prestressed concrete tee beam carrying Is 270 E over Cst Conway RD in St. Louis County, Missouri. It was built in 2023, so it is 2 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. Its operating status is: new structure not yet open to traffic.
It carries about 82,813 vehicles a day, roughly 12% of them trucks, projected to reach 103,516 by 2044. The structure is 77 ft (23.5 m) long and 65 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Is 270 E over Cst Conway RD built?
It was built in 2023, making it 2 years old in 2025.
What condition is Is 270 E over Cst Conway 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 May 2023.
How much traffic does Is 270 E over Cst Conway RD carry?
About 82,813 vehicles per day (2024 count), of which roughly 12% are trucks.
How long is Is 270 E over Cst Conway RD?
The structure is 77 ft (23.5 m) long with a longest span of 72 ft (21.8 m) and a deck 65 ft wide.
Who owns Is 270 E over Cst Conway RD?
It is owned by the State Highway Agency.