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I-5 (hwy 001) over Medford Viaduct

Jackson 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) over Medford Viaduct in Jackson 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 1962, making it 63 years old at the 2025 inventory.
It carries about 53,404 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 243 of the 401 inventoried bridges in Jackson County rated fair (60.6%); 5 (1.2%) 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	Steel stringer or multi-beam girder
Length	about 3,222 ft
Location	2.6 Mi N of Medford Scl
NBI structure number	08332 001 02866
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Highland Drive over Bear Creek	2005	53,404	Good
I-5 (hwy 001) over Mcandrews Rd	1961	41,665	Fair
I-5 (hwy 001) over Griffin Creek	1961	40,827	Fair
I-5 (hwy 001) over Jackson Creek	1961	40,827	Fair
I-5 (hwy 001) over Galls CR Front Rd Conn	1952	40,704	Fair
I-5 (Hwy 001) over Foley Lane Frontage Rd	2008	40,256	Fair