US 69 S over Mo 9
GoodPlatte County, Missouri · S 5 T 50 N R 33 W · Structure no. 2103
- Built
- 1972
- 53 years old, rebuilt 2013
- Condition
- Good
- inspected February 2025
- Type
- Girder and Floorbeam System
- Steel Continuous
- Length
- 199 ft
- 3 main spans
- Daily traffic
- 5,771
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US 69 S over Mo 9 is a steel continuous girder and floorbeam system carrying US 69 S over Mo 9 in Platte County, Missouri. It was built in 1972 and reconstructed in 2013, 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 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 5,771 vehicles a day, roughly 6% of them trucks, projected to reach 10,965 by 2044. The structure is 199 ft (60.7 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 69 S over Mo 9 built?
It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2013.
What condition is US 69 S over Mo 9 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 February 2025.
How much traffic does US 69 S over Mo 9 carry?
About 5,771 vehicles per day (2024 count), of which roughly 6% are trucks.
How long is US 69 S over Mo 9?
The structure is 199 ft (60.7 m) long with a longest span of 82 ft (25 m) and a deck 27 ft wide.
Who owns US 69 S over Mo 9?
It is owned by the State Highway Agency.