School House Road over Owens Creek
FairMariposa County, California · 0.9 MI SE of SR 140 · Structure no. 40C0053
- Built
- 1936
- 89 years old, rebuilt 1970
- Condition
- Fair
- inspected June 2024
- Type
- Slab
- Concrete
- Length
- 27 ft
- 1 main span
- Daily traffic
- 380
- 2004 count
- Owner
- County
- County Highway Agency
About this bridge
School House Road over Owens Creek is a concrete slab carrying School House Road over Owens Creek in Mariposa County, California. It was built in 1936 and reconstructed in 1970, so it is 89 years old, older than the California average of 54.8 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 380 vehicles a day, roughly 3% of them trucks, projected to reach 843 by 2042. The structure is 27 ft (8.2 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 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 |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was School House Road over Owens Creek built?
It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1970.
What condition is School House Road over Owens Creek 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 June 2024.
How much traffic does School House Road over Owens Creek carry?
About 380 vehicles per day (2004 count), of which roughly 3% are trucks.
How long is School House Road over Owens Creek?
The structure is 27 ft (8.2 m) long with a longest span of 21 ft (6.4 m) and a deck 22 ft wide.
Who owns School House Road over Owens Creek?
It is owned by the County Highway Agency.