Is 64 W over Rt Jj
FairSt. Louis County, Missouri · S 15 T 45 N R 5 E · Structure no. 3751
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 180 ft
- 3 main spans
- Daily traffic
- 70,485
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Is 64 W over Rt Jj is a prestressed concrete continuous stringer/multi-beam or girder carrying Is 64 W over Rt Jj in St. Louis County, Missouri. It was built in 1991, so it is 34 years old, younger 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.
It carries about 70,485 vehicles a day, roughly 12% of them trucks, projected to reach 88,106 by 2044. The structure is 180 ft (54.9 m) long and 73 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Is 64 W over Rt Jj built?
It was built in 1991, making it 34 years old in 2025.
What condition is Is 64 W over Rt Jj 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 64 W over Rt Jj carry?
About 70,485 vehicles per day (2024 count), of which roughly 12% are trucks.
How long is Is 64 W over Rt Jj?
The structure is 180 ft (54.9 m) long with a longest span of 95 ft (29 m) and a deck 73 ft wide.
Who owns Is 64 W over Rt Jj?
It is owned by the State Highway Agency.