Bridge DR Parkway over Redwood Shores Lagoon
PoorSan Mateo County, California · East of Marine Pkwy · Structure no. 35C0074R
- Built
- 1971
- 54 years old
- Condition
- Poor
- inspected April 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 850 ft
- 11 main spans
- Daily traffic
- 2,600
- 2018 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Bridge DR Parkway over Redwood Shores Lagoon is a concrete continuous box beam or girders - multiple carrying Bridge DR Parkway over Redwood Shores Lagoon in San Mateo County, California. It was built in 1971, so it is 54 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 2,600 vehicles a day, roughly 10% of them trucks, projected to reach 5,632 by 2042. The structure is 850 ft (259.1 m) long and 30 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 |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Bridge DR Parkway over Redwood Shores Lagoon built?
It was built in 1971, making it 54 years old in 2025.
What condition is Bridge DR Parkway over Redwood Shores Lagoon 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 2024.
How much traffic does Bridge DR Parkway over Redwood Shores Lagoon carry?
About 2,600 vehicles per day (2018 count), of which roughly 10% are trucks.
How long is Bridge DR Parkway over Redwood Shores Lagoon?
The structure is 850 ft (259.1 m) long with a longest span of 80 ft (24.4 m) and a deck 30 ft wide.
Who owns Bridge DR Parkway over Redwood Shores Lagoon?
It is owned by the City or Municipal Highway Agency.