Miramar RD over Mtdb BNSF RY & AMTRAK
FairSan Diego County, California · 1.2 MI E of I-805 · Structure no. 57C0075
- Built
- 1975
- 50 years old, rebuilt 1989
- Condition
- Fair
- inspected September 2023
- Type
- Slab
- Concrete Continuous
- Length
- 103 ft
- 3 main spans
- Daily traffic
- 60,580
- 2015 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Miramar RD over Mtdb BNSF RY & AMTRAK is a concrete continuous slab carrying Miramar RD over Mtdb BNSF RY & AMTRAK in San Diego County, California. It was built in 1975 and reconstructed in 1989, so it is 50 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 60,580 vehicles a day, roughly 2% of them trucks, projected to reach 71,689 by 2041. The structure is 103 ft (31.4 m) long and 123 ft wide. If it were closed, the detour would be 1.9 mi (3 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 Miramar RD over Mtdb BNSF RY & AMTRAK built?
It was built in 1975, making it 50 years old in 2025. It was reconstructed in 1989.
What condition is Miramar RD over Mtdb BNSF RY & AMTRAK 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 September 2023.
How much traffic does Miramar RD over Mtdb BNSF RY & AMTRAK carry?
About 60,580 vehicles per day (2015 count), of which roughly 2% are trucks.
How long is Miramar RD over Mtdb BNSF RY & AMTRAK?
The structure is 103 ft (31.4 m) long with a longest span of 36 ft (11 m) and a deck 123 ft wide.
Who owns Miramar RD over Mtdb BNSF RY & AMTRAK?
It is owned by the City or Municipal Highway Agency.