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Boyd Loop Road over Fifteenmile Creek

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

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

Boyd Loop Road over Fifteenmile Creek in Wasco 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 7 (good condition) on the 0-9 scale.
It was built in 1977, making it 48 years old at the 2025 inventory.
It carries about 181 vehicles a day (traffic count year 2020).
Its listed owner is the county highway agency.
It is one of 38 of the 148 inventoried bridges in Wasco County rated good (25.7%); 16 (10.8%) 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

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

Bridge	Built	Vehicles/day	Condition
I-84 (hwy 002) over Rock Creek	1953	25,052	Fair
I-84 (hwy 002) over UPRR	2001	25,052	Good
I-84 (hwy 002) over Mosier Creek	2009	25,052	Good
I-84 (hwy 002) over Rowena Conn	1954	24,970	Fair
I-84 (hwy 002) over Hwy 292 O-xing	1964	24,749	Fair
I-84 (hwy 002) over Union Street	2003	24,749	Good