Is 64 E over Is 44 Cst 4th ST Cst
PoorPosted for loadSt. Louis city, Missouri · S 23 T 45 N R 7 E · Structure no. 1245
- Built
- 1964
- 61 years old
- Condition
- Poor
- inspected September 2024
- Type
- Girder and Floorbeam System
- Steel Continuous
- Length
- 7,847 ft
- 6 main spans
- Daily traffic
- 34,244
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Is 64 E over Is 44 Cst 4th ST Cst is a steel continuous girder and floorbeam system carrying Is 64 E over Is 44 Cst 4th ST Cst in St. Louis city, Missouri. It was built in 1964, so it is 61 years old, older than the Missouri average of 45.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 34,244 vehicles a day, roughly 12% of them trucks, projected to reach 42,805 by 2044. The structure is 7,847 ft (2,391.8 m) long and 34 ft wide. If it were closed, the detour would be 9.9 mi (16 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, 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 64 E over Is 44 Cst 4th ST Cst built?
It was built in 1964, making it 61 years old in 2025.
What condition is Is 64 E over Is 44 Cst 4th ST Cst in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.
How much traffic does Is 64 E over Is 44 Cst 4th ST Cst carry?
About 34,244 vehicles per day (2024 count), of which roughly 12% are trucks.
How long is Is 64 E over Is 44 Cst 4th ST Cst?
The structure is 7,847 ft (2,391.8 m) long with a longest span of 248 ft (75.6 m) and a deck 34 ft wide.
Who owns Is 64 E over Is 44 Cst 4th ST Cst?
It is owned by the State Highway Agency.