FHWA NBI 2024 Inspection record Public-domain dataset

MRTN L KING JR AVE

Carrying MRTN L KING JR AVE over SPTCO

0.7MI N/O SR-1 HWY, Los Angeles, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
22 t Inventory load rating

Bridge Snapshot: MRTN L KING JR AVE

The MRTN L KING JR AVE bridge in Los Angeles, California carries MRTN L KING JR AVE over SPTCO. It was built in 1957, making it 69 years old today. The structure is built primarily of prestressed concrete and spans 2 sections, stretching 33.8 meters (111 feet) end to end. Daily traffic averages 6,695 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 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 21.7 metric tons.

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

How MRTN L KING JR AVE compares

▼ 9.6
Load rating vs California average (31.3 t)
Bottom 15%
Lower load rating than 85% of California bridges
3,937
Bridges in Los Angeles · 88 in Poor condition
MRTN L KING JR AVE 21.7 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
84.9 / 100 - historical 80–100 band
Structural adequacy /55
43.6
Serviceability /30
29.0
Essentiality /15
14.3
Special reductions
−2.0

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 How the historical reference is calculated.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

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

Structural Details

Year Built
1957
Material
Prestressed Concrete
Number of Spans
2
Structure Length
33.8 m (111 ft)
Deck Width
17.9 m (59 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
6,695 vehicles/day
Structure Number
53C0864

Condition Analysis

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

How to read this record

This page shows what the last federal inspection recorded, not whether MRTN L KING JR AVE 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 MRTN L KING JR AVE 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 MRTN L KING JR AVE?

MRTN L KING JR AVE in Los Angeles, 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 MRTN L KING JR AVE inspected?

MRTN L KING JR AVE'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 6,695 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MRTN L KING JR AVE 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 MRTN L KING JR AVE?

MRTN L KING JR AVE has an NBI inventory load rating of 21.7 metric tons.

Who is responsible for maintaining MRTN L KING JR AVE?

MRTN L KING JR AVE is owned and maintained by City/Municipal Highway Agency.

How old is MRTN L KING JR AVE and does age affect safety?

MRTN L KING JR AVE was built in 1957, making it 69 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.