Is 170 E over Cst Ladue RD
FairPosted for loadSt. Louis County, Missouri · S 2496 T 45 N R 6 E · Structure no. 2419
- Built
- 1968
- 57 years old, rebuilt 1983
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 83 ft
- 1 main span
- Daily traffic
- 98,631
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Is 170 E over Cst Ladue RD is a steel stringer/multi-beam or girder carrying Is 170 E over Cst Ladue RD in St. Louis County, Missouri. It was built in 1968 and reconstructed in 1983, so it is 57 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 98,631 vehicles a day, roughly 4% of them trucks, projected to reach 123,289 by 2044. The structure is 83 ft (25.3 m) long and 107 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Is 170 E over Cst Ladue RD built?
It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1983.
What condition is Is 170 E over Cst Ladue RD 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 October 2024.
How much traffic does Is 170 E over Cst Ladue RD carry?
About 98,631 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is Is 170 E over Cst Ladue RD?
The structure is 83 ft (25.3 m) long with a longest span of 82 ft (25.1 m) and a deck 107 ft wide.
Who owns Is 170 E over Cst Ladue RD?
It is owned by the State Highway Agency.