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W Kettle Riv Road over Kettle River

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 → (48.93805, -118.75134)

Component ratings

ComponentRating (2024)Rating (2025)FHWA scale meaning
Deck55Fair condition
Superstructure66Satisfactory condition
Substructure55Fair condition

Bridge details

StructureContinuous steel stringer or multi-beam girder
Lengthabout 212 ft
Location09.5 N/W SR 21
NBI structure number083710000000000
Condition classFair
Traffic status (item 41)Open, no restriction
Last inspection (item 90)July 2023
Inspection interval (item 91)24 months
Scour (item 113)3: scour critical: foundations unstable for the assessed or calculated scour
Fracture critical (item 92A)Yes

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.