FHWA NBI 2024 Inspection record Public-domain dataset

W MISSION BAY DR

Carrying W MISSION BAY DR over MISSION BAY CHANNEL

0.5MI E/O MISSION BLVD, San Diego, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
32 t Inventory load rating

Bridge Snapshot: W MISSION BAY DR

The W MISSION BAY DR bridge in San Diego, California carries W MISSION BAY DR over MISSION BAY CHANNEL. It was built in 1972, making it 54 years old today. The structure is built primarily of prestressed concrete and spans 9 sections, stretching 362.1 meters (1188 feet) end to end. Daily traffic averages 18,200 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 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 W MISSION BAY DR 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
W MISSION BAY DR 32.4 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
90.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
22.7
Essentiality /15
12.2
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 How the historical reference is calculated.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
1972
Material
Prestressed Concrete
Number of Spans
9
Structure Length
362.1 m (1188 ft)
Deck Width
25.0 m (82 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
18,200 vehicles/day
Structure Number
57C0426

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • 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 W MISSION BAY DR 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 W MISSION BAY DR 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 W MISSION BAY DR?

W MISSION BAY DR 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 W MISSION BAY DR inspected?

W MISSION BAY DR'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 18,200 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. W MISSION BAY DR 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 W MISSION BAY DR?

W MISSION BAY DR has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining W MISSION BAY DR?

W MISSION BAY DR is owned and maintained by City/Municipal Highway Agency.

How old is W MISSION BAY DR and does age affect safety?

W MISSION BAY DR was built in 1972, making it 54 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.