New Idria Road over Griswold Creek
FairSan Benito County, California · 4 MI S Panoche RD · Structure no. 43C0045
- Built
- 1950
- 75 years old
- Condition
- Fair
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 26 ft
- 1 main span
- Daily traffic
- 200
- 2010 count
- Owner
- County
- County Highway Agency
About this bridge
New Idria Road over Griswold Creek is a steel stringer/multi-beam or girder carrying New Idria Road over Griswold Creek in San Benito County, California. It was built in 1950, so it is 75 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 200 vehicles a day, roughly 5% of them trucks, projected to reach 261 by 2042. The structure is 26 ft (7.8 m) long and 24 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was New Idria Road over Griswold Creek built?
It was built in 1950, making it 75 years old in 2025.
What condition is New Idria Road over Griswold 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 November 2024.
How much traffic does New Idria Road over Griswold Creek carry?
About 200 vehicles per day (2010 count), of which roughly 5% are trucks.
How long is New Idria Road over Griswold Creek?
The structure is 26 ft (7.8 m) long with a longest span of 24 ft (7.4 m) and a deck 24 ft wide.
Who owns New Idria Road over Griswold Creek?
It is owned by the County Highway Agency.