http://www.sfgate.com/bayarea/article/Bay-Bridge-reopens-3287066.php-
https://en.wikipedia.org/wiki/Eastern_span_replacement_of_the_San_Francisco%E2%80%93Oakland_Bay_Bridge
"In 2008 the expansion plans were revised as part of the Victorian Transport Plan, when it was announced that the bridge would be widened to 5 lanes in each direction, the space being gained by narrowing the existing traffic lanes and closing the emergency lanes..."
https://en.wikipedia.org/wiki/West_Gate_Bridge#Expansion 10 lanes
"To deliver five lanes in both directions, the outer edges of the bridge were strengthened allowing the existing shoulders to carry traffic..."
http://www.johnholland.com.au/our-projects/westgate-bridge-strengthening
http://softdownloadpormore.weebly.com/blog/crack-in-the-westgate-bridge
https://au.news.yahoo.com/vic/a/20886366/huge-crack-closes-lanes-on-melbournes-west-gate-bridge-
http://victoria.snarl.com.au/cams/single/141
https://www.google.ca/search?q=The+West+Gate+Bridge
https://en.wikipedia.org/wiki/West_Gate_Freeway#Freeway_map
https://en.wikipedia.org/wiki/Fred_Hartman_Bridge 8 lanes with 10 lane potential
http://www.texasfreeway.com