SALMON/BOULDER RD
Carrying SALMON/BOULDER RD over NORTH FORK BOULDER CREEK
NO DATA ENTERED, Okanogan, Washington
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: SALMON/BOULDER RD
The SALMON/BOULDER RD bridge in Okanogan, Washington carries SALMON/BOULDER RD over NORTH FORK BOULDER CREEK. It was built in 1949, making it 77 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 30.5 meters (100 feet) end to end. Daily traffic averages 158 vehicles, placing it in the lower-traffic tier of Washington bridges. It is owned and maintained by U.S. Forest Service.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 6/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 24.1 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How SALMON/BOULDER RD compares
Live comparison across Washington.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1949
- Material
- Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 30.5 m (100 ft)
- Deck Width
- 5.3 m (17 ft)
- Owner
- U.S. Forest Service
- Avg Daily Traffic
- 158 vehicles/day
- Structure Number
- 060805000001021
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
- • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.
How to read this record
This page shows what the last federal inspection recorded, not whether SALMON/BOULDER 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 SALMON/BOULDER RD against other structures in Okanogan 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 SALMON/BOULDER RD?
SALMON/BOULDER RD in Okanogan, Washington has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is SALMON/BOULDER RD inspected?
SALMON/BOULDER 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 158 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SALMON/BOULDER RD 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 SALMON/BOULDER RD?
SALMON/BOULDER RD has an NBI inventory load rating of 24.1 metric tons.
Who is responsible for maintaining SALMON/BOULDER RD?
SALMON/BOULDER RD is owned and maintained by U.S. Forest Service.
How old is SALMON/BOULDER RD and does age affect safety?
SALMON/BOULDER RD was built in 1949, making it 77 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.