FHWA NBI 2024 Inspection record Public-domain dataset

MELROSE DRIVE

Carrying MELROSE DRIVE over SAN MARCOS CREEK

0.2 MI N/O SAN ELIJO RD, San Diego, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
32 t Inventory load rating

Bridge Snapshot: MELROSE DRIVE

The MELROSE DRIVE bridge in San Diego, California carries MELROSE DRIVE over SAN MARCOS CREEK. It was built in 2005, making it 21 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 41.8 meters (137 feet) end to end. Daily traffic averages 10,000 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 a deck rating of 5/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in fair 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 MELROSE DRIVE 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
MELROSE DRIVE 32.4 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
77.5 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
10.0
Essentiality /15
12.5
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
2005
Material
Prestressed Concrete
Number of Spans
1
Structure Length
41.8 m (137 ft)
Deck Width
19.8 m (65 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
10,000 vehicles/day
Structure Number
57C0861

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether MELROSE DRIVE 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 MELROSE DRIVE 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 MELROSE DRIVE?

MELROSE DRIVE in San Diego, California has a deck rating of 5/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is MELROSE DRIVE inspected?

MELROSE DRIVE'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 10,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MELROSE DRIVE is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for MELROSE DRIVE?

MELROSE DRIVE has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining MELROSE DRIVE?

MELROSE DRIVE is owned and maintained by City/Municipal Highway Agency.

How old is MELROSE DRIVE and does age affect safety?

MELROSE DRIVE was built in 2005, making it 21 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.