Maple Street over US Highway 101
GoodSan Mateo County, California · 04-SM-101-5.88-RDWC · Structure no. 35 0087
- Built
- 1958
- 67 years old
- Condition
- Good
- inspected August 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 173 ft
- 2 main spans
- Daily traffic
- 5,960
- 2004 count
- Owner
- State
- State Highway Agency
About this bridge
Maple Street over US Highway 101 is a prestressed concrete tee beam carrying Maple Street over US Highway 101 in San Mateo County, California. It was built in 1958, so it is 67 years old, older 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 5,960 vehicles a day, roughly 3% of them trucks, projected to reach 13,348 by 2043. The structure is 173 ft (52.7 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 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 Maple Street over US Highway 101 built?
It was built in 1958, making it 67 years old in 2025.
What condition is Maple Street over US Highway 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 2023.
How much traffic does Maple Street over US Highway 101 carry?
About 5,960 vehicles per day (2004 count), of which roughly 3% are trucks.
How long is Maple Street over US Highway 101?
The structure is 173 ft (52.7 m) long with a longest span of 83 ft (25.4 m) and a deck 35 ft wide.
Who owns Maple Street over US Highway 101?
It is owned by the State Highway Agency.