Is 635 N over Mo 9 US 69
FairPosted for loadPlatte County, Missouri · S 5 T 50 N R 33 W · Structure no. 2104
- Built
- 1972
- 53 years old, rebuilt 2014
- Condition
- Fair
- inspected February 2025
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 303 ft
- 4 main spans
- Daily traffic
- 32,104
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Is 635 N over Mo 9 US 69 is a steel continuous stringer/multi-beam or girder carrying Is 635 N over Mo 9 US 69 in Platte County, Missouri. It was built in 1972 and reconstructed in 2014, so it is 53 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 32,104 vehicles a day, roughly 13% of them trucks, projected to reach 65,813 by 2044. The structure is 303 ft (92.4 m) long and 67 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Is 635 N over Mo 9 US 69 built?
It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2014.
What condition is Is 635 N over Mo 9 US 69 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 February 2025.
How much traffic does Is 635 N over Mo 9 US 69 carry?
About 32,104 vehicles per day (2024 count), of which roughly 13% are trucks.
How long is Is 635 N over Mo 9 US 69?
The structure is 303 ft (92.4 m) long with a longest span of 85 ft (25.9 m) and a deck 67 ft wide.
Who owns Is 635 N over Mo 9 US 69?
It is owned by the State Highway Agency.