Tartan Trail RD over San Mateo Creek
PoorSan Mateo County, California · West Crystal Springs RD · Structure no. 35C0095
- Built
- 1964
- 61 years old
- Condition
- Poor
- inspected May 2023
- Type
- Arch - Deck
- Steel
- Length
- 32 ft
- 2 main spans
- Daily traffic
- 1,887
- 2015 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Tartan Trail RD over San Mateo Creek is a steel arch - deck carrying Tartan Trail RD over San Mateo Creek in San Mateo County, California. It was built in 1964, so it is 61 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 4 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 1,887 vehicles a day, roughly 4% of them trucks, projected to reach 1,817 by 2040. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 3.1 mi (5 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Tartan Trail RD over San Mateo Creek built?
It was built in 1964, making it 61 years old in 2025.
What condition is Tartan Trail RD over San Mateo 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 Tartan Trail RD over San Mateo Creek carry?
About 1,887 vehicles per day (2015 count), of which roughly 4% are trucks.
How long is Tartan Trail RD over San Mateo Creek?
The structure is 32 ft (9.8 m) long with a longest span of 15 ft (4.7 m).
Who owns Tartan Trail RD over San Mateo Creek?
It is owned by the City or Municipal Highway Agency.