STEVENS CANYON ROA
Carrying STEVENS CANYON ROA over OHANAPECOSH RIVER
0.2 MILES NORTHWEST OF JC, Lewis, Washington
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
STEVENS CANYON ROA in Lewis, Washington sits above 14% of rated Washington bridges on inventory load rating (19 t), while its 1956 build year is earlier than 64% of Lewis's recorded-year cohort (419 bridges).
STEVENS CANYON ROA in Lewis, Washington is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1956, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure WA:9450016P0000000
INTERSTATE-ERA · CONCRETE · MULTI-SPAN · TIED-CTRL · ARTERIAL-ADT · LIGHT-LOAD · CAT-FAIR
- INTERSTATE-ERA 1950–1979
- CONCRETE Concrete
- MULTI-SPAN 3 spans
- TIED-CTRL Tied control
- ARTERIAL-ADT Arterial ADT
- LIGHT-LOAD Light load
- CAT-FAIR Fair
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: STEVENS CANYON ROA
The STEVENS CANYON ROA bridge in Lewis, Washington carries STEVENS CANYON ROA over OHANAPECOSH RIVER. It was built in 1956, making it 70 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 41.5 meters (136 feet) end to end. Daily traffic averages 1,375 vehicles, placing it in the moderately-trafficked tier of Washington bridges. It is owned and maintained by National Park Service.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure 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.
How STEVENS CANYON ROA compares
Age against the county: built in 1956, earlier than 268 of Lewis's 419 bridges with a recorded construction year (64%), against a county median build year of 1964. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Washington bridges with a recorded inventory load rating (8,455 of 8,474 rated).
STEVENS CANYON ROA vs every rated Washington bridge
Inventory load rating (metric tons), FHWA NBI, this state
19 Top 86% higher than 14% of 8,455 bridges
rated Washington bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Lewis inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 419 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1956
- Material
- Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 41.5 m (136 ft)
- Deck Width
- 10.8 m (35 ft)
- Owner
- National Park Service
- Avg Daily Traffic
- 1,375 vehicles/day
- Structure Number
- 9450016P0000000
Condition Analysis
- • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
- • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.
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 STEVENS CANYON ROA 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 STEVENS CANYON ROA against other structures in Lewis 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 STEVENS CANYON ROA?
STEVENS CANYON ROA in Lewis, Washington has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is STEVENS CANYON ROA inspected?
STEVENS CANYON ROA'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 1,375 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. STEVENS CANYON ROA 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 STEVENS CANYON ROA?
STEVENS CANYON ROA has an NBI inventory load rating of 19.0 metric tons.
Who is responsible for maintaining STEVENS CANYON ROA?
STEVENS CANYON ROA is owned and maintained by National Park Service.
How old is STEVENS CANYON ROA and does age affect safety?
STEVENS CANYON ROA was built in 1956, making it 70 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.
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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.