Mo 364 E over Is 64
GoodSt. Charles County, Missouri · S 2 T 46 N R 2 E · Structure no. 29600
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 359 ft
- 4 main spans
- Daily traffic
- 40,224
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Mo 364 E over Is 64 is a steel continuous stringer/multi-beam or girder carrying Mo 364 E over Is 64 in St. Charles County, Missouri. It was built in 2003, so it is 22 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 40,224 vehicles a day, roughly 5% of them trucks, projected to reach 68,381 by 2044. The structure is 359 ft (109.4 m) long and 73 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 Mo 364 E over Is 64 built?
It was built in 2003, making it 22 years old in 2025.
What condition is Mo 364 E over Is 64 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 September 2023.
How much traffic does Mo 364 E over Is 64 carry?
About 40,224 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is Mo 364 E over Is 64?
The structure is 359 ft (109.4 m) long with a longest span of 110 ft (33.5 m) and a deck 73 ft wide.
Who owns Mo 364 E over Is 64?
It is owned by the State Highway Agency.