Is 270 E over NS RR
FairSt. Louis County, Missouri · S 2039 T 47 N R 5 E · Structure no. 142
- Built
- 1960
- 65 years old, rebuilt 1990
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 154 ft
- 3 main spans
- Daily traffic
- 105,806
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Is 270 E over NS RR is a steel continuous stringer/multi-beam or girder carrying Is 270 E over NS RR in St. Louis County, Missouri. It was built in 1960 and reconstructed in 1990, so it is 65 years old, older than the Missouri average of 45.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 105,806 vehicles a day, roughly 18% of them trucks, projected to reach 132,258 by 2044. The structure is 154 ft (46.9 m) long and 130 ft wide. If it were closed, the detour would be 0.6 mi (1 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Is 270 E over NS RR built?
It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1990.
What condition is Is 270 E over NS RR in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.
How much traffic does Is 270 E over NS RR carry?
About 105,806 vehicles per day (2024 count), of which roughly 18% are trucks.
How long is Is 270 E over NS RR?
The structure is 154 ft (46.9 m) long with a longest span of 58 ft (17.7 m) and a deck 130 ft wide.
Who owns Is 270 E over NS RR?
It is owned by the State Highway Agency.