NP RY
Carrying NP RY over STATE ROUTE 3
1.1 N JCT SR 300, Mason, Washington
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: NP RY
The NP RY bridge in Mason, Washington carries NP RY over STATE ROUTE 3. It was built in 1944, making it 82 years old today. The structure is built primarily of concrete. Daily traffic averages 18,809 vehicles, placing it in the heavily-trafficked tier of Washington 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 NP RY compares
Live comparison across Washington.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1944
- Material
- Concrete
- Avg Daily Traffic
- 18,809 vehicles/day
- Structure Number
- 000000KX0000000
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 NP RY 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 NP RY against other structures in Mason and across Washington. Washington 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 NP RY?
NP RY in Mason, Washington on the FHWA's 0–9 scale.
How often is NP RY inspected?
NP RY'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 18,809 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. NP RY 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 NP RY?
An inventory load rating is not recorded for NP RY.
Who is responsible for maintaining NP RY?
Ownership is not specified for NP RY in the NBI.
How old is NP RY and does age affect safety?
NP RY was built in 1944, making it 82 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.