FHWA NBI 2024 Inspection record Public-domain dataset

RTE 105 RAMPS

Carrying RTE 105 RAMPS over DOMINGUEZ CHANNEL

07-LA-105-R4.59-HAW, Los Angeles, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
32 t Inventory load rating

Bridge Snapshot: RTE 105 RAMPS

The RTE 105 RAMPS bridge in Los Angeles, California carries RTE 105 RAMPS over DOMINGUEZ CHANNEL. It was built in 1988, making it 38 years old today. The structure is built primarily of concrete and spans 4 sections, stretching 18.6 meters (61 feet) end to end. Daily traffic averages 18,054 vehicles, placing it in the heavily-trafficked tier of California bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair 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 RTE 105 RAMPS 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
RTE 105 RAMPS 32.4 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
76.8 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
11.0
Essentiality /15
10.8
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 How the historical reference is calculated.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

Culvert
6/9
Fair (5–6)
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
1988
Material
Concrete
Number of Spans
4
Structure Length
18.6 m (61 ft)
Deck Width
26.8 m (88 ft)
Owner
State Highway Agency
Avg Daily Traffic
18,054 vehicles/day
Structure Number
53 2531M

How to read this record

This page shows what the last federal inspection recorded, not whether RTE 105 RAMPS 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 RTE 105 RAMPS 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 RTE 105 RAMPS?

RTE 105 RAMPS in Los Angeles, California on the FHWA's 0–9 scale.

How often is RTE 105 RAMPS inspected?

RTE 105 RAMPS'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 18,054 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. RTE 105 RAMPS 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 RTE 105 RAMPS?

RTE 105 RAMPS has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining RTE 105 RAMPS?

RTE 105 RAMPS is owned and maintained by State Highway Agency.

How old is RTE 105 RAMPS and does age affect safety?

RTE 105 RAMPS was built in 1988, making it 38 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.