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Wynooski Street over Hwy 039

Yamhill County, Oregon · rated Good in the 2025 National Bridge Inventory

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

Wynooski Street over Hwy 039 in Yamhill County, Oregon, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
It was built in 2016, making it 9 years old at the 2025 inventory.
It carries about 12,899 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 34 of the 150 inventoried bridges in Yamhill County rated good (22.7%); 13 (8.7%) 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	Continuous prestressed concrete multiple box beam
Length	about 685 ft
Location	Hwy 39 MP 59.13
NBI structure number	22012 000 00105
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
OR 18 (Hwy 39) over Yamhill River Overflow	1963	24,417	Fair
Or 99W (hwy 91) over Cozine Creek	1957	23,824	Fair
Or 99W (hwy 91) over Chehalem Creek	1975	22,646	Fair
OR 18 (Hwy 39) over Yamhill River	1957	22,538	Fair
Fletcher Road over OR 18 (Hwy 39)	1957	22,538	Fair
OR 18 (Hwy 39) over OR 221 (Hwy 150)	1957	22,538	Fair