Mast Blvd over Santee Lake #2
FairSan Diego County, California · 1MI E/O West Hills Pkwy · Structure no. 57C0728
- Built
- 1992
- 33 years old
- Condition
- Fair
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 846 ft
- 6 main spans
- Daily traffic
- 10,100
- 2016 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Mast Blvd over Santee Lake #2 is a prestressed concrete continuous box beam or girders - multiple carrying Mast Blvd over Santee Lake #2 in San Diego County, California. It was built in 1992, so it is 33 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 6 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 10,100 vehicles a day, roughly 2% of them trucks, projected to reach 12,092 by 2041. The structure is 846 ft (258 m) long and 98 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mast Blvd over Santee Lake #2 built?
It was built in 1992, making it 33 years old in 2025.
What condition is Mast Blvd over Santee Lake #2 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 March 2024.
How much traffic does Mast Blvd over Santee Lake #2 carry?
About 10,100 vehicles per day (2016 count), of which roughly 2% are trucks.
How long is Mast Blvd over Santee Lake #2?
The structure is 846 ft (258 m) long with a longest span of 141 ft (43 m) and a deck 98 ft wide.
Who owns Mast Blvd over Santee Lake #2?
It is owned by the City or Municipal Highway Agency.