TELEGRAPH CANYN RD
Carrying TELEGRAPH CANYN RD over TELEGRAPH CANYON CHANNEL
0.25 MI E/O HILLTOP DR, San Diego, California
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
TELEGRAPH CANYN RD in San Diego, California is rated Good in the FHWA's 2024 National Bridge Inventory.
Built in 1977, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure CA:57C0507
INTERSTATE-ERA · CONCRETE · MULTI-SPAN · CULVERT-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-GOOD
- INTERSTATE-ERA 1950–1979
- CONCRETE Concrete
- MULTI-SPAN 2 spans
- CULVERT-LED Culvert-led
- ARTERIAL-ADT Arterial ADT
- STANDARD-LOAD Standard load
- CAT-GOOD Good
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: TELEGRAPH CANYN RD
The TELEGRAPH CANYN RD bridge in San Diego, California carries TELEGRAPH CANYN RD over TELEGRAPH CANYON CHANNEL. It was built in 1977, making it 49 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 13.7 meters (45 feet) end to end. Daily traffic averages 4,284 vehicles, placing it in the moderately-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. All reported major components score above the Poor range.
How TELEGRAPH CANYN RD compares
Age against the county: built in 1977, earlier than 672 of San Diego's 1,632 bridges with a recorded construction year (41%), against a county median build year of 1974. This is one of the newer structures in its county.
Live comparison across California bridges with a recorded inventory load rating (25,538 of 25,848 rated).
TELEGRAPH CANYN RD vs every rated California bridge
Inventory load rating (metric tons), FHWA NBI, this state
32 Top 63% higher than 37% of 25,538 bridges
rated California bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
San Diego inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 1,632 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1977
- Material
- Concrete Continuous
- Number of Spans
- 2
- Structure Length
- 13.7 m (45 ft)
- Deck Width
- 18.5 m (61 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 4,284 vehicles/day
- Structure Number
- 57C0507
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 TELEGRAPH CANYN RD 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 TELEGRAPH CANYN RD 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 TELEGRAPH CANYN RD?
TELEGRAPH CANYN RD in San Diego, California on the FHWA's 0–9 scale.
How often is TELEGRAPH CANYN RD inspected?
TELEGRAPH CANYN RD'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 4,284 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. TELEGRAPH CANYN RD 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 TELEGRAPH CANYN RD?
TELEGRAPH CANYN RD has an NBI inventory load rating of 32.4 metric tons.
Who is responsible for maintaining TELEGRAPH CANYN RD?
TELEGRAPH CANYN RD is owned and maintained by City/Municipal Highway Agency.
How old is TELEGRAPH CANYN RD and does age affect safety?
TELEGRAPH CANYN RD was built in 1977, making it 49 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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.