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I-84 (hwy 006) over Birch Creek

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

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

I-84 (hwy 006) over Birch Creek in Malheur County, Oregon, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1958, making it 67 years old at the 2025 inventory.
It carries about 12,271 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 121 of the 181 inventoried bridges in Malheur County rated fair (66.9%); 3 (1.7%) 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

Component	Rating (2025)	FHWA scale meaning
Culvert	6	Satisfactory condition


Structure	Continuous concrete culvert
Length	about 36 ft
Location	02.2 Mi S Baker Co Line
NBI structure number	08364 006 35423
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 30 (hwy 493) over Snake R. (hwy 493)	1967	26,880	Good
US 30 (hwy 493) over I-84 (hwy 6 Mp 376.72)	1998	26,810	Fair
Or 201 (hwy 455) over Malheur River	1976	13,346	Fair
Or 201 (hwy 455) over I-84 (hwy 6 Mp 374.55)	2008	13,346	Good
I-84 (hwy 006) over Owyhee Canal	1955	13,133	Good
I-84 (hwy 006) EB over Snake River	1960	12,977	Fair