South Airport Blvd over Coloma Creek
FairSan Mateo County, California · 150 Ft S/O Mitchell Ave · Structure no. 35C0213
- Built
- 1977
- 48 years old
- Condition
- Fair
- inspected April 2023
- Type
- Slab
- Concrete Continuous
- Length
- 144 ft
- 7 main spans
- Daily traffic
- 15,000
- 2010 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
South Airport Blvd over Coloma Creek is a concrete continuous slab carrying South Airport Blvd over Coloma Creek in San Mateo County, California. It was built in 1977, so it is 48 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 15,000 vehicles a day, roughly 10% of them trucks, projected to reach 19,000 by 2043. The structure is 144 ft (43.9 m) long and 94 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was South Airport Blvd over Coloma Creek built?
It was built in 1977, making it 48 years old in 2025.
What condition is South Airport Blvd over Coloma Creek 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 April 2023.
How much traffic does South Airport Blvd over Coloma Creek carry?
About 15,000 vehicles per day (2010 count), of which roughly 10% are trucks.
How long is South Airport Blvd over Coloma Creek?
The structure is 144 ft (43.9 m) long with a longest span of 24 ft (7.3 m) and a deck 94 ft wide.
Who owns South Airport Blvd over Coloma Creek?
It is owned by the City or Municipal Highway Agency.