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I-5 (hwy 001) SB over Coast Fk Willamette R

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

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

I-5 (hwy 001) SB over Coast Fk Willamette R in Lane 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 2003, making it 22 years old at the 2025 inventory.
It carries about 21,354 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 649 of the 1,011 inventoried bridges in Lane County rated fair (64.2%); 16 (1.6%) 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 prestressed concrete stringer or multi-beam girder
Length	about 567 ft
Location	05.3 Mi N Cottage Grove
NBI structure number	19237 001 17999
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-5 (hwy 001) over Floodway Ditch	1961	78,731	Fair
Coburg Road over Willamette River	1950	74,362	Fair
Ferry St over UPRR Viaduct/4-6-7 Aves	1949	74,362	Fair
Hwy 69 over River Road	1970	65,196	Fair
Or 126 (hwy 227) over Hwy 228 Cons 1 & 2	1964	62,257	Good
Or 126 (hwy 227) over 5TH Street	1964	62,257	Fair