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Or 140 (hwy 431) over Deep Creek

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

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

Or 140 (hwy 431) over Deep Creek in Lake County, Oregon, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
It was built in 1966, making it 59 years old at the 2025 inventory.
It carries about 308 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 7 of the 95 inventoried bridges in Lake County rated poor (7.4%); 7 (7.4%) 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

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 Goose Lake Swale	2001	2,107	Good
Or 140 (hwy 020)RW over Irrigation Canal	2001	2,107	Good
Or 140 (hwy 020) over Thomas Creek	2001	2,107	Good
Or 140 (hwy 020) over Thomas Creek	2001	2,107	Good
Or 140 (hwy 020) over Warner Canyon Creek	2001	2,107	Good
Or 140 (hwy 020) over Muddy Creek	2004	1,314	Good