FHWA NBI 2024 Inspection record Public-domain dataset

STUDEBAKER RD

Carrying STUDEBAKER RD over GRIDLEY DRN

0.3MI S/O DEL AMO BLVD, Los Angeles, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
32 t Inventory load rating

Bridge Snapshot: STUDEBAKER RD

The STUDEBAKER RD bridge in Los Angeles, California carries STUDEBAKER RD over GRIDLEY DRN. It was built in 1962, making it 64 years old today. It was last reconstructed in 1966, extending its service life. The structure is built primarily of concrete and spans 2 sections, stretching 7.6 meters (25 feet) end to end. Daily traffic averages 28,629 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 culvert 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 32.4 metric tons.

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

How STUDEBAKER RD compares

▲ 1.1
Load rating vs California average (31.3 t)
Bottom 41%
Lower load rating than 59% of California bridges
3,937
Bridges in Los Angeles · 88 in Poor condition
STUDEBAKER RD 32.4 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
95.7 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
13.7
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 How the historical reference is calculated.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

Culvert
7/9
Good (7–9)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1962
Last Reconstructed
1966
Material
Concrete
Number of Spans
2
Structure Length
7.6 m (25 ft)
Deck Width
27.7 m (91 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
28,629 vehicles/day
Structure Number
53C0721

How to read this record

This page shows what the last federal inspection recorded, not whether STUDEBAKER RD 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 STUDEBAKER RD 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 STUDEBAKER RD?

STUDEBAKER RD in Los Angeles, California on the FHWA's 0–9 scale.

How often is STUDEBAKER RD inspected?

STUDEBAKER RD'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 28,629 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. STUDEBAKER RD 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 STUDEBAKER RD?

STUDEBAKER RD has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining STUDEBAKER RD?

STUDEBAKER RD is owned and maintained by City/Municipal Highway Agency.

How old is STUDEBAKER RD and does age affect safety?

STUDEBAKER RD was built in 1962, making it 64 years old and last reconstructed in 1966.

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.