Coast Highway over Loma Alta Creek
PoorSan Diego County, California · 0.3MI S/O Oceanside Blvd · Structure no. 57C0706
- Built
- 2003
- 22 years old
- Condition
- Poor
- inspected June 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 57 ft
- 1 main span
- Daily traffic
- 22,100
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Coast Highway over Loma Alta Creek is a prestressed concrete slab carrying Coast Highway over Loma Alta Creek in San Diego County, California. It was built in 2003, so it is 22 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 22,100 vehicles a day, roughly 2% of them trucks, projected to reach 38,000 by 2040. The structure is 57 ft (17.5 m) long and 80 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, 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 Coast Highway over Loma Alta Creek built?
It was built in 2003, making it 22 years old in 2025.
What condition is Coast Highway over Loma Alta Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.
How much traffic does Coast Highway over Loma Alta Creek carry?
About 22,100 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is Coast Highway over Loma Alta Creek?
The structure is 57 ft (17.5 m) long with a longest span of 50 ft (15.1 m) and a deck 80 ft wide.
Who owns Coast Highway over Loma Alta Creek?
It is owned by the City or Municipal Highway Agency.