Mo 51 S over Castor Rvr Ovrfl
GoodBollinger County, Missouri · S 29 T 29 N R 9 E · Structure no. 36615
- Built
- 2021
- 4 years old
- Condition
- Good
- inspected December 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 189 ft
- 3 main spans
- Daily traffic
- 717
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Mo 51 S over Castor Rvr Ovrfl is a prestressed concrete continuous box beam or girders - single or spread carrying Mo 51 S over Castor Rvr Ovrfl in Bollinger County, Missouri. It was built in 2021, so it is 4 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 717 vehicles a day, roughly 26% of them trucks, projected to reach 1,076 by 2044. The structure is 189 ft (57.6 m) long and 27 ft wide. If it were closed, the detour would be 28 mi (45 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 | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 9 Excellent | 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 Mo 51 S over Castor Rvr Ovrfl built?
It was built in 2021, making it 4 years old in 2025.
What condition is Mo 51 S over Castor Rvr Ovrfl 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 December 2023.
How much traffic does Mo 51 S over Castor Rvr Ovrfl carry?
About 717 vehicles per day (2024 count), of which roughly 26% are trucks.
How long is Mo 51 S over Castor Rvr Ovrfl?
The structure is 189 ft (57.6 m) long with a longest span of 63 ft (19.2 m) and a deck 27 ft wide.
Who owns Mo 51 S over Castor Rvr Ovrfl?
It is owned by the State Highway Agency.