Crossings
The Santa Ana River has 65 significant crossings, bridges and dams. This list places them from mouth to source.
- Orange County
- State Route 1 (Pacific Coast Highway)
- Victoria Street
- Adams Avenue
- Interstate 405 (San Diego Freeway)
- Talbert Avenue/MacArthur Boulevard
- Slater Avenue/West Segerstrom Avenue
- Warner Avenue
- Harbor Boulevard
- Edinger Avenue
- McFadden Avenue
- Lyon St
- Bolsa Street/1st Street (Santa Ana)
- 5th Street (Santa Ana)
- Former Pacific Electric Railway Bridge
- Fairview Street
- Westminster Avenue/17th Street (Santa Ana)
- Garden Grove Boulevard/Memory Lane
- State Route 22 (Garden Grove Freeway)
- Interstate 5 (Santa Ana Freeway)
- Chapman Avenue
- State Route 57 (Orange Freeway)
- Metrolink Orange County Line & Amtrak Pacific Surfliner
- Katella Avenue
- Railroad Bridge
- Taft Avenue
- Lincoln Avenue
- Glassell Street
- Metrolink Inland Empire-Orange County Line
- Tustin Avenue
- State Route 91 (Riverside Freeway)
- Lakeview Avenue
- State Route 90 (Imperial Highway)
- Weir Canyon Road
- Gypsum Canyon Road
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- Riverside County
- Green River Road
- Metrolink 91 & Inland Empire-Orange County Lines
- State Route 71 (Chino Valley Freeway)
- Prado Dam
- River Road
- Hamner Avenue
- Interstate 15 (Ontario/Corona Freeway)
- Van Buren Boulevard
- Metrolink Riverside Line
- Mission Boulevard/Buena Vista Avenue
- State Route 60 (Pomona/Moreno Valley Freeway)
- Market Street
- San Bernardino County
- Riverside Avenue
- La Cadena Drive
- Metrolink Inland Empire-Orange County Line
- Railroad Bridge
- Mount Vernon Avenue
- Amtrak Sunset Limited & Texas Eagle
- Interstate 10 (San Bernardino/Redlands Freeway)
- Interstate 215 (San Bernardino/Riverside Freeway)
- E Street
- Waterman Avenue
- Southern Pacific Railroad (proposed San Bernardino-Redlands passenger rail line)
- Orange Show Road
- Tippecanoe Avenue
- Alabama Street
- State Route 210 (Foothill Freeway)
- Orange Street
- Greenspot Road
- Santa Ana Canyon Road
- Seven Oaks Dam
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