Is 35 S over Rock CR
FairClay County, Missouri · S 1 T 50 N R 33 W · Structure no. 6378
- Built
- 1956
- 69 years old, rebuilt 1967
- Condition
- Fair
- inspected November 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 64,342
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Is 35 S over Rock CR is a concrete continuous culvert carrying Is 35 S over Rock CR in Clay County, Missouri. It was built in 1956 and reconstructed in 1967, so it is 69 years old, older than the Missouri average of 45.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 64,342 vehicles a day, roughly 18% of them trucks, projected to reach 115,816 by 2044. The structure is 23 ft (7 m) long. If it were closed, the detour would be 0.6 mi (1 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Is 35 S over Rock CR built?
It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1967.
What condition is Is 35 S over Rock CR in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.
How much traffic does Is 35 S over Rock CR carry?
About 64,342 vehicles per day (2024 count), of which roughly 18% are trucks.
How long is Is 35 S over Rock CR?
The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m).
Who owns Is 35 S over Rock CR?
It is owned by the State Highway Agency.