ROSS DAM INTAKE
Carrying ROSS DAM INTAKE over SKAGIT RIVER
Ross Dam, King, Washington
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
ROSS DAM INTAKE in King, Washington sits above 1% of rated Washington bridges on inventory load rating (0 t), while its 1940 build year is earlier than 92% of King's recorded-year cohort (1,238 bridges).
ROSS DAM INTAKE in King, Washington is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1940, 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:087469000000000
PRE-1950 · CONCRETE · LONG-SPAN-RUN · DECK-LED · ADT-UNK · TRACE-LOAD · CAT-FAIR
- PRE-1950 Pre-1950
- CONCRETE Concrete
- LONG-SPAN-RUN 8 spans
- DECK-LED Deck-led
- ADT-UNK ADT unknown
- TRACE-LOAD Trace 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: ROSS DAM INTAKE
The ROSS DAM INTAKE bridge in King, Washington carries ROSS DAM INTAKE over SKAGIT RIVER. It was built in 1940, making it 86 years old today. The structure is built primarily of concrete and spans 8 sections, stretching 29.6 meters (97 feet) end to end. Average daily traffic is not reported for this structure. It is owned and maintained by Other Local Agencies.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.
How ROSS DAM INTAKE compares
Age against the county: built in 1940, earlier than 1,136 of King's 1,238 bridges with a recorded construction year (92%), against a county median build year of 1972. 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).
ROSS DAM INTAKE vs every rated Washington bridge
Inventory load rating (metric tons), FHWA NBI, this state
0 Top 99% higher than 1% 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.
King inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 1,238 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
- 1940
- Material
- Concrete
- Number of Spans
- 8
- Structure Length
- 29.6 m (97 ft)
- Deck Width
- 3.0 m (10 ft)
- Owner
- Other Local Agencies
- Structure Number
- 087469000000000
Condition Analysis
- • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
- • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.
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 ROSS DAM INTAKE 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 ROSS DAM INTAKE against other structures in King 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 ROSS DAM INTAKE?
ROSS DAM INTAKE in King, Washington has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is ROSS DAM INTAKE inspected?
ROSS DAM INTAKE's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. ROSS DAM INTAKE 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 ROSS DAM INTAKE?
ROSS DAM INTAKE has an NBI inventory load rating of 0.0 metric tons.
Who is responsible for maintaining ROSS DAM INTAKE?
ROSS DAM INTAKE is owned and maintained by Other Local Agencies.
How old is ROSS DAM INTAKE and does age affect safety?
ROSS DAM INTAKE was built in 1940, making it 86 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.
Share this inspection record
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.