6:05PM is the time in most the reports.
I would agree the Mars-Saturn-Pluto configuration is very, very telling. Yikes.
Some observations from the whacky 'ole Unu...
Moon/Uranus conjunct in the 3rd is certainly significant as well. Moon also sits on Pallas Athena, by less than an arcminute.
There is also a yod, with Pluto on the ascendant as the apex, to Mercury and Mars.
Chart for the City Of Minneapolis is July 20th 1958, time unknown, so Sun on the MC seems logical (12:19PM CST) which puts the solar ascendant of 22Lib32 not far from the 25Lib event MC.
The Minneapolis chart further implicates the Mars-Saturn square. The Minneapolis Mars/Uranus midpoint, quite congruent with a sudden, shocking action is 26Leo28, putting Saturn conjunct and Mars square.
Pallas in the Minneapolis chart is quite interestingly positioned, especially considering the exact Moon-Pallas conjunct in the event chart. In the Minneapolis chart, Pallas sits at 26Sco22, squaring the Minneapolis Mars/Uranus midpoint. Of course, this also means the event Mars-Saturn-Pluto configuration was tightly aspecting the Minneapolis Pallas. I don't pay much attention to the asteroids normally, but this seems to warrant observation.
Mars&Saturn also activate the Sun/Neptune midpoint in the Minneapolis chart, not too surprising finding Neptune involved in an event dealing with a body of water. t.Mercury was in perfect trine to the Minneapolis Neptune (!) while t.Neptune squared the Minneapolis Mars at 1/2 degree of orb.
Other significant pictures between transiting planets and the Minneapolis chart:
Sun=Saturn/Chiron (note that this picture is present in the 9/11 event chart)
Pluto=Mars/Saturn (as if the event chart doesn't have enough MA-SA-PL already?)
Moon conjunct Pallas=Sun/Pluto
Pluto conjunct ASC=Sun/Pallas
My prayers go to all those who have suffered due to this tragedy. It is a miracle the fatality count isn't higher.
With Mars-Saturn involved so heavily, excessive stress or shock upon the bridge's structure certainly seems to be a most likely cause. This bridge had a history of concerns, and in 2000 a 90 page report
was issued on structural fatigue on this bridge. In a 2003 report
on bridge inspection projects, it is the only bridge listed for an "indepth *special*" inspection. Overall, it seems this bridge had some serious concerns, and I'd put money on it whoever approved the design of this bridge is feeling a bit guilty right now.
Most the media isn't reporting it, saying that the bridge was only undergoing surface refinishing, but the contract
awarded for the project says otherwise, showing hundreds of thousands of dollars in "expansion joint reconstruction" and "install expansion joint" items. Of course we can't say if any of this had actually been done, and which joints were to be reconstructed, replaced or installed, but obviously expansion joints are a critical structural item in any bridge.