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They've been replacing highway bridges in MA in much less time. They prefab and build up the new bridge next to the highway, then shut the highway down for a we
by cure 8y ago
They've been replacing highway bridges in MA in much less time. They prefab and build up the new bridge next to the highway, then shut the highway down for a weekend, tear down the old bridge, roll the new bridge in place, anchor, and the highway was ready for use the next Monday morning. Rinse and repeat for the other direction.
They did 14 bridges in 10 weekends, cf. https://www.fhwa.dot.gov/publications/publicroads/12mayjune/03.cfm https://www.fhwa.dot.gov/publications/publicroads/12mayjune/...
- hinkley 8y agoWasn't there an overpass over I-5 in Seattle that got replaced, maybe ten, fifteen years back, due to fire damage from a truck fire? (please don't stop under an overpass if your vehicle is on fire!) I think that took a month or two to replace but the actual bridge work I thought only took about a week and a half. Can't seem to find it on Google. Anyone remember when that was?
- flomo 8y agoSomething like that happened in Oakland, CA in 2007. Took 26 days to repair. https://www.nytimes.com/2007/04/30/us/30collapse.html https://www.nytimes.com/2007/04/30/us/30collapse.html https://www.sfgate.com/bayarea/article/A-MAZE-ING-His-reputation-on-the-line-2592154.php https://www.sfgate.com/bayarea/article/A-MAZE-ING-His-reputa...
- hinkley 8y agoOh my. That’s a bit more drastic. In the case I’m thinking of the span never failed but the engineers didn’t trust the steel anymore. They closed the overpass and replaced one span.
- fiter 8y agoThis happened in the MacArthur Maze area in Oakland: https://www.sfgate.com/bayarea/article/A-MAZE-ING-His-reputation-on-the-line-2592154.php https://www.sfgate.com/bayarea/article/A-MAZE-ING-His-reputa... https://www.nytimes.com/2007/04/30/us/30collapse.html https://www.nytimes.com/2007/04/30/us/30collapse.html
- dsfyu404ed 8y ago>They did 14 bridges in 10 weekends Meanwhile the invoice from the state police billed for 14 whole weeks of traffic detail. I'm sure that's just a typo on their part... (For anyone unaware, state police billing for hours that were never worked is a recurring scandal that happens every couple years in MA.) Public works projects are generally treated as a "feeding trough" so to speak in MA. It's good to see them getting done faster though. Fingers crossed that they eventually decide that fixing the commuter rail is cheaper than paying Keolis to be the scapegoat.
- pinot 8y agoThere's no where to stage anything at this particular bridge in Palo Alto https://www.google.com/maps/@37.4525982,-122.1278058,3a,60y,311.1h,87.7t/data=!3m6!1e1!3m4!1sPMCCHRl7LwBvVeTcbl_ktQ!2e0!7i16384!8i8192 https://www.google.com/maps/@37.4525982,-122.1278058,3a,60y,...
- cure 8y agoThe satellite view is helpful: https://www.google.com/maps/@37.4527175,-122.1282551,157m/data=!3m1!1e3 https://www.google.com/maps/@37.4527175,-122.1282551,157m/da... Southbound there isn't much room. Northbound, seems like there is space directly adjacent to the bridge.
- pinot 8y agohttps://www.google.com/maps/@37.4529936,-122.1276526,3a,60y,322.07h,75.72t/data=!3m6!1e1!3m4!1sY4mmF7LppeLyJaD4AZGciw!2e0!7i16384!8i8192 https://www.google.com/maps/@37.4529936,-122.1276526,3a,60y,... That area you see in Sat is part of the bridge they were rebuilding; the frontage road.