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Troy Road over Wenaha River

Wallowa County, Oregon · rated Fair in the 2025 National Bridge Inventory

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

Troy Road over Wenaha River in Wallowa County, Oregon, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1981, making it 44 years old at the 2025 inventory.
It carries about 445 vehicles a day (traffic count year 2020).
Its listed owner is the county highway agency.
It is one of 47 of the 113 inventoried bridges in Wallowa County rated fair (41.6%); 10 (8.8%) 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	Prestressed concrete tee beam
Length	about 111 ft
Location	37.9 Mi N of Hwy 82
NBI structure number	16420 515 03789
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Or 82 (hwy 010) over Prairie Creek	1999	7,061	Good
Or 82 (hwy 010) over Wallowa River (railroad)	1966	5,160	Good
Or 82 (hwy 010) over Trout Creek	1988	5,160	Good
Or 82 (hwy 010) over Prairie Creek	1985	3,969	Good
Or 82 (hwy 010) over Prairie Creek	1980	3,924	Good
Or 82 (hwy 010) over Lostine River	1953	2,619	Fair