FHWA NBI 2024 Inspection record Public-domain dataset

TELEGRAPH CANYN RD

Carrying TELEGRAPH CANYN RD over TELEGRAPH CANYON CHANNEL

0.25 MI E/O HILLTOP DR, San Diego, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
32 t Inventory load rating

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. 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 TELEGRAPH CANYN RD compares

▲ 1.1
Load rating vs California average (31.3 t)
Bottom 41%
Lower load rating than 59% of California bridges
1,707
Bridges in San Diego · 27 in Poor condition
TELEGRAPH CANYN RD 32.4 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
98.6 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
29.0
Essentiality /15
14.6
Special reductions
0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Culvert
7/9
Good (7–9)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Good

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

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

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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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.