North Fork Lewis River

I-5 - North Fork Lewis River Bridge (Northbound) (Clark County, Washington)
Built 1968
Continuous Warren through truss bridge over North Fork Lewis River on I-5 northbound
Open to traffic

I-5 - North Fork Lewis River Bridge (Southbound) (Clark County, Washington)
Built 1940
Coninuous Warren through truss bridge over North Fork Lewis River on I-5 southbound
Open to traffic

Merwin Dam Bridge (Cowlitz County, Washington)
Built 1931 with Merwin Dam
Warren through truss with all verticals bridge over North Fork Lewis River on PacifiCorp Access Road
Open to traffic

Yale Bridge (Clark County, Washington)
Built 1932; rehabilitated 1957
Suspension bridge over North Fork Lewis River on WA 503
Open to traffic