Island Parkway over Marine Pkwy to NB 101
GoodSan Mateo County, California · 04-SM-101-9.60-RDWC · Structure no. 35 0337
- Built
- 2004
- 21 years old
- Condition
- Good
- inspected August 2021
- Type
- Slab
- Prestressed Concrete
- Length
- 74 ft
- 1 main span
- Daily traffic
- 2,500
- 2011 count
- Owner
- State
- State Highway Agency
About this bridge
Island Parkway over Marine Pkwy to NB 101 is a prestressed concrete slab carrying Island Parkway over Marine Pkwy to NB 101 in San Mateo County, California. It was built in 2004, so it is 21 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 2,500 vehicles a day, roughly 3% of them trucks, projected to reach 3,217 by 2043. The structure is 74 ft (22.6 m) long and 82 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Island Parkway over Marine Pkwy to NB 101 built?
It was built in 2004, making it 21 years old in 2025.
What condition is Island Parkway over Marine Pkwy to NB 101 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2021.
How much traffic does Island Parkway over Marine Pkwy to NB 101 carry?
About 2,500 vehicles per day (2011 count), of which roughly 3% are trucks.
How long is Island Parkway over Marine Pkwy to NB 101?
The structure is 74 ft (22.6 m) long with a longest span of 74 ft (22.6 m) and a deck 82 ft wide.
Who owns Island Parkway over Marine Pkwy to NB 101?
It is owned by the State Highway Agency.