Union RD E over Is 55
GoodSt. Louis County, Missouri · S 24 T 44 N R 6 E · Structure no. 32750
- Built
- 2009
- 16 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 284 ft
- 2 main spans
- Daily traffic
- 23,198
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Union RD E over Is 55 is a steel continuous stringer/multi-beam or girder carrying Union RD E over Is 55 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 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 23,198 vehicles a day, roughly 5% of them trucks, projected to reach 32,477 by 2044. The structure is 284 ft (86.7 m) long and 69 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 | 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 Union RD E over Is 55 built?
It was built in 2009, making it 16 years old in 2025.
What condition is Union RD E over Is 55 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 July 2024.
How much traffic does Union RD E over Is 55 carry?
About 23,198 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is Union RD E over Is 55?
The structure is 284 ft (86.7 m) long with a longest span of 151 ft (46 m) and a deck 69 ft wide.
Who owns Union RD E over Is 55?
It is owned by the State Highway Agency.