Pilarcitos Creek R over Pilarcitos Creek
PoorSan Mateo County, California · 0.46 MI N of S.H. 92 · Structure no. 35C0111
- Built
- 1910
- 115 years old
- Condition
- Poor
- inspected May 2023
- Type
- Arch - Deck
- Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 42
- 2017 count
- Owner
- County
- County Highway Agency
About this bridge
Pilarcitos Creek R over Pilarcitos Creek is a concrete arch - deck carrying Pilarcitos Creek R over Pilarcitos Creek in San Mateo County, California. It was built in 1910, so it is 115 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 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.
It carries about 42 vehicles a day, roughly 22% of them trucks, projected to reach 100 by 2040. The structure is 26 ft (7.9 m) long and 27 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 |
|---|---|---|
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Pilarcitos Creek R over Pilarcitos Creek built?
It was built in 1910, making it 115 years old in 2025.
What condition is Pilarcitos Creek R over Pilarcitos Creek 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 May 2023.
How much traffic does Pilarcitos Creek R over Pilarcitos Creek carry?
About 42 vehicles per day (2017 count), of which roughly 22% are trucks.
How long is Pilarcitos Creek R over Pilarcitos Creek?
The structure is 26 ft (7.9 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.
Who owns Pilarcitos Creek R over Pilarcitos Creek?
It is owned by the County Highway Agency.