While we assume that not everyone who planned the Big Dig were drinking at the time they did it, the news that the design prevents inspection of the bolts makes us wonder. Casey Ross at the Herald (who is afire lately with the MBTA ride-hide story) reports that not enough crawl space exists around the bolts. Even if inspectors wanted to check the ceiling bolts, they couldn't fit: The tunnel’s design blocks access to 4,000......