Is 55 N over Rt O
GoodSte. Genevieve County, Missouri · S 2046 T 38 N R 8 E · Structure no. 1956
- Built
- 1970
- 55 years old, rebuilt 1984
- Condition
- Good
- inspected October 2024
- Type
- Slab
- Concrete Continuous
- Length
- 133 ft
- 3 main spans
- Daily traffic
- 9,519
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Is 55 N over Rt O is a concrete continuous slab carrying Is 55 N over Rt O in Ste. Genevieve County, Missouri. It was built in 1970 and reconstructed in 1984, so it is 55 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 9,519 vehicles a day, roughly 22% of them trucks, projected to reach 18,086 by 2044. The structure is 133 ft (40.5 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 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 Is 55 N over Rt O built?
It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1984.
What condition is Is 55 N over Rt O 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 October 2024.
How much traffic does Is 55 N over Rt O carry?
About 9,519 vehicles per day (2024 count), of which roughly 22% are trucks.
How long is Is 55 N over Rt O?
The structure is 133 ft (40.5 m) long with a longest span of 51 ft (15.5 m) and a deck 41 ft wide.
Who owns Is 55 N over Rt O?
It is owned by the State Highway Agency.