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Duck Lake Road over Duck Creek

Lincoln County, Washington · rated Poor in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Duck Lake Road over Duck Creek in Lincoln County, Washington, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1972, making it 53 years old at the 2025 inventory.
It carries about 120 vehicles a day (traffic count year 2020).
Its listed owner is the county highway agency.
It is one of 11 of the 180 inventoried bridges in Lincoln County rated poor (6.1%); 11 (6.1%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Prestressed concrete tee beam
Length	about 39 ft
Location	18.69NE SR21 FAS302
NBI structure number	083862000000000
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
I-90 over Brown Road	1967	10,697	Fair
I-90 over Brown Road	1967	10,697	Fair
I-90 over Doerschlag Rd	1968	10,667	Fair
I-90 over Doerschlag Rd	1968	10,667	Poor
I-90 over SR 23	1967	10,191	Fair
I-90 over SR 23	1967	10,191	Fair