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The Lower Blackburn Grade Bridge , also named the Van Duzen River Bridge or Mile 18 Bridge , is a reinforced concrete through arch with a main span approximately over the Van Duzen River about east of Bridgeville , California .
 Bridgeville , California
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Bridgeville , California