SR 92 WB & Ramps over U.S. 101 Marina Lagoon
FairSan Mateo County, California · 04-SM-092-R11.78-SM · Structure no. 35 0252L
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 4,282 ft
- 81 main spans
- Daily traffic
- 55,500
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
SR 92 WB & Ramps over U.S. 101 Marina Lagoon is a prestressed concrete continuous box beam or girders - multiple carrying SR 92 WB & Ramps over U.S. 101 Marina 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 55,500 vehicles a day, roughly 5% of them trucks, projected to reach 86,931 by 2045. The structure is 4,282 ft (1,305.2 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 92 WB & Ramps over U.S. 101 Marina Lagoon built?
It was built in 1971, making it 54 years old in 2025.
What condition is SR 92 WB & Ramps over U.S. 101 Marina Lagoon in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.
How much traffic does SR 92 WB & Ramps over U.S. 101 Marina Lagoon carry?
About 55,500 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is SR 92 WB & Ramps over U.S. 101 Marina Lagoon?
The structure is 4,282 ft (1,305.2 m) long with a longest span of 220 ft (67.1 m) and a deck 42 ft wide.
Who owns SR 92 WB & Ramps over U.S. 101 Marina Lagoon?
It is owned by the State Highway Agency.