Mission RD over San Marcos Creek Trib
GoodSan Diego County, California · 750 Ft W/O Las Posas RD · Structure no. 57C0777
- Built
- 1982
- 43 years old
- Condition
- Good
- inspected March 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 25 ft
- 3 main spans
- Daily traffic
- 20,160
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Mission RD over San Marcos Creek Trib is a concrete continuous culvert carrying Mission RD over San Marcos Creek Trib in San Diego County, California. It was built in 1982, so it is 43 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 20,160 vehicles a day, roughly 3% of them trucks, projected to reach 23,866 by 2045. The structure is 25 ft (7.6 m) long and 84 ft wide. If it were closed, the detour would be 0.6 mi (1 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mission RD over San Marcos Creek Trib built?
It was built in 1982, making it 43 years old in 2025.
What condition is Mission RD over San Marcos Creek Trib in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.
How much traffic does Mission RD over San Marcos Creek Trib carry?
About 20,160 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Mission RD over San Marcos Creek Trib?
The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m) and a deck 84 ft wide.
Who owns Mission RD over San Marcos Creek Trib?
It is owned by the City or Municipal Highway Agency.