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North Fork Rd. over Ahtanum Creek N. Fork

Yakima County, Washington · rated Good in the 2025 National Bridge Inventory

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

North Fork Rd. over Ahtanum Creek N. Fork in Yakima County, Washington, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1987, making it 38 years old at the 2025 inventory.
It carries about 315 vehicles a day (traffic count year 2020).
Its listed owner is the county highway agency.
It is one of 323 of the 557 inventoried bridges in Yakima County rated good (58.0%); 31 (5.6%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 29 ft
Location	06.19 NW Ahtanum Rd
NBI structure number	081008000000000
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Terrace Heights Dr over 18TH Street	1979	28,500	Fair
I-82 over Beech St	1962	25,909	Good
I-82 over Beech St	1962	25,909	Good
I-82 over Overflow Channel	1960	25,406	Fair
I-82 over Overflow Channel	1960	25,406	Fair
I-82 over Np Ry Moxee	1961	25,406	Poor