The Cambridge Historical Commission shows us what the new Longfellow Bridge looked like in 1908 - a couple years after it opened - as the Cambridge Bridge. Look at those gasometers in Kendall Square on the Cambridge side. Read more.

John Hawkinson spotted a flatbed carrying a flatbed on the Longfellow Bridge yesterday.

City Councilors Michelle Wu (at large) and Josh Zakim (Beacon Hill, Back Bay, Fenway, Mission Hill) will ask other councilors to join them tomorrow in urging the state to use barriers to protect bicyclists when the revamped Longfellow Bridge finally opens later this month. Read more.

The MBTA is urging Red Line riders to leave early to get where they're going from now until whenever:

Due to ongoing track work from Longfellow Bridge Project, trains will use reduced speeds between Kendall/MIT & Charles/MGH until further notice.

Amy Bucher didn't realize she'd need a hard hat to walk under the Longfellow this afternoon.

WBUR chronicles all the issues, including the fact that the bridge is a historic landmark right down to its rivets, which means contractors have to use historic methods to rebuild it, right down to the use of 50,000 historically accurate rivets, rather than more modern, and faster ways to connect metal support beams.

MassDOT reports construction workers finished topping off the last of the Longfellow Bridge's iconic shakers today when they re-attached the top, or capstone, of the tower closest to the Museum of Science on the Boston side. Read more.

Shortly before 9 a.m., Lyzard reported:

MBTA is jerking us around on the Longfellow for over 10 minutes .start.. Stop.. Starts. Stops. Riders Ready to puke.

Five minutes later, the T announced "moderate" delays due to signal problems on the bridge and now at least one train is just sitting there.

The Boston Cyclists Union did this video today on the first day the new sidewalk was open to bicycles on the Longfellow.

First responders from both Cambridge and Boston and divers from Boston rushed to the Charles River near the Longfellow Bridge around 6:30 p.m. on what appeared to be a report that two people might be in the river. Read more.