FHWA NBI 2024 Inspection record Public-domain dataset

WILLOWS RD

Carrying WILLOWS RD over VIEJAS CREEK

0.8 MI E/O I-8 EXIT 33, San Diego, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
23 t Inventory load rating

Bridge Snapshot: WILLOWS RD

The WILLOWS RD bridge in San Diego, California carries WILLOWS RD over VIEJAS CREEK. It was built in 1933, making it 93 years old today. The structure is built primarily of steel and spans 10 sections, stretching 122.2 meters (401 feet) end to end. Daily traffic averages 6,575 vehicles, placing it in the moderately-trafficked tier of California bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure 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 23.0 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How WILLOWS RD compares

▼ 8.3
Load rating vs California average (31.3 t)
Bottom 17%
Lower load rating than 83% of California bridges
1,707
Bridges in San Diego · 27 in Poor condition
WILLOWS RD 23.0 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
86.5 / 100 - historical 80–100 band
Structural adequacy /55
45.6
Serviceability /30
27.0
Essentiality /15
13.9
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 How the historical reference is calculated.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

Deck
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
23.0 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1933
Material
Steel
Number of Spans
10
Structure Length
122.2 m (401 ft)
Deck Width
11.6 m (38 ft)
Owner
County Highway Agency
Avg Daily Traffic
6,575 vehicles/day
Structure Number
57C0120

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether WILLOWS 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 WILLOWS 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 WILLOWS RD?

WILLOWS RD in San Diego, California has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is WILLOWS RD inspected?

WILLOWS 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 6,575 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. WILLOWS 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 WILLOWS RD?

WILLOWS RD has an NBI inventory load rating of 23.0 metric tons.

Who is responsible for maintaining WILLOWS RD?

WILLOWS RD is owned and maintained by County Highway Agency.

How old is WILLOWS RD and does age affect safety?

WILLOWS RD was built in 1933, making it 93 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.