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Project and Visitr over Bonneville Dam

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

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

Project and Visitr over Bonneville Dam in Multnomah 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 5 (fair condition) on the 0-9 scale.
It was built in 1935 and reconstructed in 1950, making it 90 years old at the 2025 inventory.
It carries about 1,000 vehicles a day (traffic count year 2024).
It is one of 405 of the 473 inventoried bridges in Multnomah County rated fair (85.6%); 12 (2.5%) 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

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

Bridge	Built	Vehicles/day	Condition
Hwy 064 over Division St	1979	166,664	Fair
Hwy 064 over Hwy 026	1979	166,664	Fair
Hwy 064 over Hwy 064 Conn 2	1979	161,490	Fair
Hwy 064 over Harold St	1978	151,700	Fair
Hwy 002 over OXNG Hwy 002 WB Conn	1955	151,336	Fair
Hwy 064 over Columbia River	1982	148,936	Fair