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Irr Bia Rte 3 over Warm Springs River

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

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

Irr Bia Rte 3 over Warm Springs River in Wasco County, Oregon, 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 1962, making it 63 years old at the 2025 inventory.
It carries about 1,300 vehicles a day (traffic count year 2023).
It is one of 94 of the 148 inventoried bridges in Wasco County rated fair (63.5%); 16 (10.8%) 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	Continuous concrete stringer or multi-beam girder
Length	about 210 ft
Location	2 Km NW Kah-nee-ta Resort
NBI structure number	00000000000P904
Condition class	Fair

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