Intnl Return Loop over Airport Accs Rds N Mcdon
FairSan Mateo County, California · At N.Mcdonnell RD · Structure no. 35C0196
- Built
- 2001
- 24 years old
- Condition
- Fair
- inspected January 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 1,772 ft
- 14 main spans
- Daily traffic
- 18,000
- 2015 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Intnl Return Loop over Airport Accs Rds N Mcdon is a prestressed concrete continuous box beam or girders - multiple carrying Intnl Return Loop over Airport Accs Rds N Mcdon in San Mateo County, California. It was built in 2001, so it is 24 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 18,000 vehicles a day, roughly 5% of them trucks, projected to reach 25,482 by 2044. The structure is 1,772 ft (540 m) long and 34 ft wide. If it were closed, the detour would be 61.5 mi (99 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Intnl Return Loop over Airport Accs Rds N Mcdon built?
It was built in 2001, making it 24 years old in 2025.
What condition is Intnl Return Loop over Airport Accs Rds N Mcdon 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 January 2024.
How much traffic does Intnl Return Loop over Airport Accs Rds N Mcdon carry?
About 18,000 vehicles per day (2015 count), of which roughly 5% are trucks.
How long is Intnl Return Loop over Airport Accs Rds N Mcdon?
The structure is 1,772 ft (540 m) long with a longest span of 149 ft (45.4 m) and a deck 34 ft wide.
Who owns Intnl Return Loop over Airport Accs Rds N Mcdon?
It is owned by the City or Municipal Highway Agency.