Linden Ave over Colma Canal
PoorSan Mateo County, California · 0.2 MI W US 101 · Structure no. 35C0031
- Built
- 1974
- 51 years old
- Condition
- Poor
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 76 ft
- 1 main span
- Daily traffic
- 7,160
- 2009 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Linden Ave over Colma Canal is a prestressed concrete stringer/multi-beam or girder carrying Linden Ave over Colma Canal in San Mateo County, California. It was built in 1974, so it is 51 years old, younger 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 7,160 vehicles a day, roughly 15% of them trucks, projected to reach 21,808 by 2041. The structure is 76 ft (23.2 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Linden Ave over Colma Canal built?
It was built in 1974, making it 51 years old in 2025.
What condition is Linden Ave over Colma Canal 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 April 2023.
How much traffic does Linden Ave over Colma Canal carry?
About 7,160 vehicles per day (2009 count), of which roughly 15% are trucks.
How long is Linden Ave over Colma Canal?
The structure is 76 ft (23.2 m) long with a longest span of 74 ft (22.6 m) and a deck 60 ft wide.
Who owns Linden Ave over Colma Canal?
It is owned by the City or Municipal Highway Agency.