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Road over Williamson River

Klamath County, Oregon · rated Poor in the 2025 National Bridge Inventory

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

Road over Williamson River in Klamath County, Oregon, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 3 (serious condition) on the 0-9 scale.
It was built in 1969 and reconstructed in 1984, making it 56 years old at the 2025 inventory.
It carries about 23 vehicles a day.
It is one of 11 of the 248 inventoried bridges in Klamath County rated poor (4.4%); 11 (4.4%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Timber stringer or multi-beam girder
Length	about 34 ft
Location	(orig.# 9730000 - 0.7)
NBI structure number	062002000001021
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
Or 140 (hwy 020) over Usrs Canal	1930	20,461	Fair
Or 140 (hwy 020) over Link River	1931	19,357	Fair
Or 140 (hwy 020) over City St & UPRR	1957	19,357	Fair
Shasta Way over A Canal	1979	16,068	Good
S Side Bypass over UPRR	1986	11,928	Fair
S Side Bypass over BNSF & Klamath River	1986	11,850	Good