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SR 23 over Np Ry

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

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

SR 23 over Np Ry in Lincoln County, Washington, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1967, making it 58 years old at the 2025 inventory.
It carries about 1,370 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 67 of the 180 inventoried bridges in Lincoln County rated fair (37.2%); 11 (6.1%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Continuous prestressed concrete stringer or multi-beam girder
Length	about 203 ft
Location	3.8 N Whitman Co
NBI structure number	0008244B0000000
Condition class	Fair

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