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Or 224 (hwy 171) over Clackamas River

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

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

Or 224 (hwy 171) over Clackamas River in Clackamas County, Oregon, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, 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 149 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 237 of the 367 inventoried bridges in Clackamas County rated fair (64.6%); 17 (4.6%) 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	Continuous concrete tee beam
Length	about 89 ft
Location	26.5 Mi SE Estacada
NBI structure number	05269 171 04996
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Barlow Trail Rd over Hackett Creek	1965	165,900	Fair
Hwy 001 over Willamette River	1953	127,233	Fair
Boones Ferry Road over I-5 (Hwy 1)	1971	127,233	Fair
Strawberry Lane over Hwy 064	1962	113,512	Good
Boeckman Road over I-5 (hwy 001)	1969	110,869	Fair
Hwy 064 over Main St	1972	108,786	Fair