FHWA NBI 2024 Inspection record Public-domain dataset

GROSSMONT CENTR DR

Carrying GROSSMONT CENTR DR over MTDB LRT & SDIV RR

160 FT S/O FLETCHER PKWY, San Diego, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
21 t Inventory load rating

Bridge Snapshot: GROSSMONT CENTR DR

The GROSSMONT CENTR DR bridge in San Diego, California carries GROSSMONT CENTR DR over MTDB LRT & SDIV RR. It was built in 1961, making it 65 years old today. The structure is built primarily of prestressed concrete and spans 2 sections, stretching 57.3 meters (188 feet) end to end. Daily traffic averages 17,750 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 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 20.7 metric tons.

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

How GROSSMONT CENTR DR compares

▼ 10.6
Load rating vs California average (31.3 t)
Bottom 14%
Lower load rating than 86% of California bridges
1,707
Bridges in San Diego · 27 in Poor condition
GROSSMONT CENTR DR 20.7 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
61.3 / 100 - historical 50–79.9 band
Structural adequacy /55
42.0
Serviceability /30
10.0
Essentiality /15
12.3
Special reductions
−3.0

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 How the historical reference is calculated.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
20.7 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1961
Material
Prestressed Concrete
Number of Spans
2
Structure Length
57.3 m (188 ft)
Deck Width
18.3 m (60 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
17,750 vehicles/day
Structure Number
57C0467

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.
  • 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 GROSSMONT CENTR 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 GROSSMONT CENTR 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 GROSSMONT CENTR DR?

GROSSMONT CENTR DR 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 GROSSMONT CENTR DR inspected?

GROSSMONT CENTR 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 17,750 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. GROSSMONT CENTR DR 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 GROSSMONT CENTR DR?

GROSSMONT CENTR DR has an NBI inventory load rating of 20.7 metric tons.

Who is responsible for maintaining GROSSMONT CENTR DR?

GROSSMONT CENTR DR is owned and maintained by City/Municipal Highway Agency.

How old is GROSSMONT CENTR DR and does age affect safety?

GROSSMONT CENTR DR was built in 1961, making it 65 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.