Rt Jj S over Castro Valley
PoorPosted for loadShannon County, Missouri · S 6 T 29 N R 6 W · Structure no. 6820
- Built
- 1959
- 66 years old
- Condition
- Poor
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 103 ft
- 3 main spans
- Daily traffic
- 929
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Rt Jj S over Castro Valley is a steel stringer/multi-beam or girder carrying Rt Jj S over Castro Valley in Shannon County, Missouri. It was built in 1959, so it is 66 years old, older than the Missouri average of 45.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 929 vehicles a day, roughly 11% of them trucks, projected to reach 1,301 by 2044. The structure is 103 ft (31.4 m) long and 22 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Jj S over Castro Valley built?
It was built in 1959, making it 66 years old in 2025.
What condition is Rt Jj S over Castro Valley in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.
How much traffic does Rt Jj S over Castro Valley carry?
About 929 vehicles per day (2024 count), of which roughly 11% are trucks.
How long is Rt Jj S over Castro Valley?
The structure is 103 ft (31.4 m) long with a longest span of 39 ft (11.9 m) and a deck 22 ft wide.
Who owns Rt Jj S over Castro Valley?
It is owned by the State Highway Agency.