Conway RD over Maryville CR
GoodSt. Louis County, Missouri · S 7 T 45 N R 5 E · Structure no. 34957
- Built
- 2016
- 9 years old
- Condition
- Good
- inspected March 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 73 ft
- 1 main span
- Daily traffic
- 9,189
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Conway RD over Maryville CR is a prestressed concrete tee beam carrying Conway RD over Maryville CR in St. Louis County, Missouri. It was built in 2016, so it is 9 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 9,189 vehicles a day, roughly 10% of them trucks, projected to reach 12,405 by 2044. The structure is 73 ft (22.1 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Conway RD over Maryville CR built?
It was built in 2016, making it 9 years old in 2025.
What condition is Conway RD over Maryville CR 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 March 2024.
How much traffic does Conway RD over Maryville CR carry?
About 9,189 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is Conway RD over Maryville CR?
The structure is 73 ft (22.1 m) long with a longest span of 69 ft (20.9 m) and a deck 47 ft wide.
Who owns Conway RD over Maryville CR?
It is owned by the County Highway Agency.