TWIN OAKS VLY ROAD
Carrying TWIN OAKS VLY ROAD over E. BR. SAN MARCOS CREEK
AT WB78 RAMPS, San Diego, California
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: TWIN OAKS VLY ROAD
The TWIN OAKS VLY ROAD bridge in San Diego, California carries TWIN OAKS VLY ROAD over E. BR. SAN MARCOS CREEK. It was built in 1992, making it 34 years old today. The structure is built primarily of concrete continuous and spans 5 sections, stretching 218.2 meters (716 feet) end to end. Daily traffic averages 25,900 vehicles, placing it in the heavily-trafficked tier of California bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 32.4 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How TWIN OAKS VLY ROAD compares
Live comparison across California.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1992
- Material
- Concrete Continuous
- Number of Spans
- 5
- Structure Length
- 218.2 m (716 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 25,900 vehicles/day
- Structure Number
- 57C0869
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether TWIN OAKS VLY ROAD is safe to cross today. Here is how to use it.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
- Compare TWIN OAKS VLY ROAD against other structures in San Diego and across California. California bridges
- Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge
Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.
Frequently Asked Questions
What do the condition ratings mean for TWIN OAKS VLY ROAD?
TWIN OAKS VLY ROAD in San Diego, California on the FHWA's 0–9 scale.
How often is TWIN OAKS VLY ROAD inspected?
TWIN OAKS VLY ROAD's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 25,900 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. TWIN OAKS VLY ROAD is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for TWIN OAKS VLY ROAD?
TWIN OAKS VLY ROAD has an NBI inventory load rating of 32.4 metric tons.
Who is responsible for maintaining TWIN OAKS VLY ROAD?
TWIN OAKS VLY ROAD is owned and maintained by City/Municipal Highway Agency.
How old is TWIN OAKS VLY ROAD and does age affect safety?
TWIN OAKS VLY ROAD was built in 1992, making it 34 years old.
Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.