Rt a S over Rock CR
GoodGasconade County, Missouri · S 32 T 42 N R 6 W · Structure no. 30521
- Built
- 2004
- 21 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 155 ft
- 3 main spans
- Daily traffic
- 327
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Rt a S over Rock CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Rt a S over Rock CR in Gasconade County, Missouri. It was built in 2004, so it is 21 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 327 vehicles a day, roughly 4% of them trucks, projected to reach 425 by 2044. The structure is 155 ft (47.2 m) long and 35 ft wide. If it were closed, the detour would be 14.9 mi (24 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Rt a S over Rock CR built?
It was built in 2004, making it 21 years old in 2025.
What condition is Rt a S over Rock 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 September 2024.
How much traffic does Rt a S over Rock CR carry?
About 327 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is Rt a S over Rock CR?
The structure is 155 ft (47.2 m) long with a longest span of 51 ft (15.4 m) and a deck 35 ft wide.
Who owns Rt a S over Rock CR?
It is owned by the State Highway Agency.