Old Highway over Owens Creek
FairMariposa County, California · 0.3 MI East of SR 140 · Structure no. 40C0058
- Built
- 1920
- 105 years old
- Condition
- Fair
- inspected June 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 50 ft
- 2 main spans
- Daily traffic
- 100
- 2004 count
- Owner
- County
- County Highway Agency
About this bridge
Old Highway over Owens Creek is a concrete continuous tee beam carrying Old Highway over Owens Creek in Mariposa County, California. It was built in 1920, so it is 105 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 316 by 2042. The structure is 50 ft (15.2 m) long and 20 ft wide. If it were closed, the detour would be 6.2 mi (10 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 Old Highway over Owens Creek built?
It was built in 1920, making it 105 years old in 2025.
What condition is Old Highway 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 Old Highway over Owens Creek carry?
About 100 vehicles per day (2004 count), of which roughly 3% are trucks.
How long is Old Highway over Owens Creek?
The structure is 50 ft (15.2 m) long with a longest span of 25 ft (7.6 m) and a deck 20 ft wide.
Who owns Old Highway over Owens Creek?
It is owned by the County Highway Agency.