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Old US 395 Align over Boulder Creek

Ferry County, Washington · rated Fair in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

View this bridge on a map → (48.83706, -118.18189)

Component ratings

ComponentRating (2024)Rating (2025)FHWA scale meaning
Deck77Good condition
Superstructure66Satisfactory condition
Substructure77Good condition

Bridge details

StructureConcrete tee beam
Lengthabout 35 ft
Location15.4 N Jct SR 20
NBI structure number086733000000000
Condition classFair
Traffic status (item 41)Open, no restriction
Last inspection (item 90)August 2024
Inspection interval (item 91)24 months
Scour (item 113)3: scour critical: foundations unstable for the assessed or calculated scour

Source: FHWA National Bridge Inventory, 2025 data as reported by the Washington department of transportation.

Busiest bridges in Ferry County

BridgeBuiltVehicles/dayCondition
SR 20 over Abandoned Railroad19602,660Poor
SR 21 over San Poil River19871,580Good
Bridge Creek Road over Cornstalk Creek20001,493Good
Boulder Creek Road over Curlew Creek20001,390Good
SR 21 over Curlew Creek20121,146Good
W Curlew Lake Rd over Curlew Creek20241,074Good

All bridges nearby: Ferry County, WA bridge conditions · every bridge in Ferry County · Washington bridges.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.