NB 405 OFFRAMP
Carrying NB 405 OFFRAMP over SOUTH SEPULVEDA BLVD
07-LA-405-31.38-LA, Los Angeles, California
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: NB 405 OFFRAMP
The NB 405 OFFRAMP bridge in Los Angeles, California carries NB 405 OFFRAMP over SOUTH SEPULVEDA BLVD. It was built in 2013, making it 13 years old today. The structure is built primarily of prestressed concrete continuous. Daily traffic averages 25,000 vehicles, placing it in the heavily-trafficked tier of California bridges.
The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. No reported major component scores in the Poor range under the current federal condition thresholds.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How NB 405 OFFRAMP compares
Live comparison across California.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 2013
- Material
- Prestressed Concrete Continuous
- Avg Daily Traffic
- 25,000 vehicles/day
- Structure Number
- 53 3021T
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether NB 405 OFFRAMP 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 NB 405 OFFRAMP against other structures in Los Angeles 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 NB 405 OFFRAMP?
NB 405 OFFRAMP in Los Angeles, California on the FHWA's 0–9 scale.
How often is NB 405 OFFRAMP inspected?
NB 405 OFFRAMP'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 25,000 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. NB 405 OFFRAMP is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for NB 405 OFFRAMP?
An inventory load rating is not recorded for NB 405 OFFRAMP.
Who is responsible for maintaining NB 405 OFFRAMP?
Ownership is not specified for NB 405 OFFRAMP in the NBI.
How old is NB 405 OFFRAMP and does age affect safety?
NB 405 OFFRAMP was built in 2013, making it 13 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.
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.