Is 270 W over Mississippi Rvr
GoodSt. Louis city, Missouri · S 36 T 47 N R 7 E · Structure no. 37364
- Built
- 2024
- 1 years old
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 5,456 ft
- 21 main spans
- Daily traffic
- 22,740
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Is 270 W over Mississippi Rvr is a steel continuous stringer/multi-beam or girder carrying Is 270 W over Mississippi Rvr in St. Louis city, Missouri. It was built in 2024, so it is 1 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 22,740 vehicles a day, roughly 18% of them trucks, projected to reach 28,425 by 2044. The structure is 5,456 ft (1,663.1 m) long and 59 ft wide. If it were closed, the detour would be 26.7 mi (43 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. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Is 270 W over Mississippi Rvr built?
It was built in 2024, making it 1 years old in 2025.
What condition is Is 270 W over Mississippi Rvr 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 October 2024.
How much traffic does Is 270 W over Mississippi Rvr carry?
About 22,740 vehicles per day (2024 count), of which roughly 18% are trucks.
How long is Is 270 W over Mississippi Rvr?
The structure is 5,456 ft (1,663.1 m) long with a longest span of 236 ft (71.9 m) and a deck 59 ft wide.
Who owns Is 270 W over Mississippi Rvr?
It is owned by the State Highway Agency.