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3300-300 Rd over Mill Creek

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

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

3300-300 Rd over Mill Creek in Crook 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 1958 and reconstructed in 1995, making it 67 years old at the 2025 inventory.
It carries about 30 vehicles a day (traffic count year 1995).
It is one of 39 of the 78 inventoried bridges in Crook County rated fair (50.0%); 2 (2.6%) 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	Timber stringer or multi-beam girder
Length	about 27 ft
Location	.2MI UP 3300-300 Fr 3300
NBI structure number	060703000001032
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 26 (hwy 041) over Crooked River	2006	17,122	Good
US 26 (hwy 041) over Central Oregon Canal	1940	12,150	Fair
Main Street over Ochoco Creek	2004	12,031	Fair
US 26 (hwy 041) over Ochoco Creek	2008	11,592	Fair
Hwy 380 over Flood Control Channel	1987	6,946	Good
Hwy 380 over Ochoco Creek	2014	6,257	Fair