A derailment in February, 2006, pointed out the importance of railroad bridges to Montreal. Montreal is an island and has six railroad bridges that carry freight, commuters and long distance passengers.
HQ AAF (Twentieth Air Force):
Missions 76 to 81:
112 B-29s hit Japanese airfields at Tachiarai, Izumi, Kokubu, Nittagahara, and 2 at Kanoya, the same targets attacked yesterday; 13 other B-29s hit targets of opportunity; 2 B-29s are lost.
Mission 456:
In the late afternoon 73 of 104 B-17s and 148 of 176 B-24s strike 6 V-weapon sites and supply installations, 3 railroad bridges, a highway bridge, and an airfield in N France. Escort is provided by 443 P-38s, P-47s and P-51s; 1 P-47 is lost; afterwards a squadron of P-47s dive-bombs 3 airfields in the Conches area.
STRATEGIC OPERATIONS (Fifteenth Air Force): 430+ B-17s and B-24s, with fighter escort, attack communications targets in Hungary and N Italy to impede the withdrawal from the lower Balkans and to disrupt railroad communications in N Italy; targets hit are 2 railroad bridges at Budapest and 1 each at Szolnok and Szob, Hungary and a railroad bridge at Ferrara, Ital...
U.S. bombs drop on railway bridges at Seoul in early July, 1950. The broken highway bridge at the right was blown without warning by South Korean themselves early on June 28, sending hundreds of fleeing South Korean soldiers and civilians to their deaths.
STRATEGIC OPERATIONS (Fifteenth Air Force): 463 B-17s and B-24s, some with fighter escort, hit marshalling yards at Subotica and Szeged, Hungary and railroad bridges at Novi Sad and Belgrade, Yugoslavia and Szob, and Budapest, Hungary; fighters maintain cover over the Budapest area.
STRATEGIC OPERATIONS (Fifteenth Air Force): 480+ B-17s and B-24s attack targets in Italy, Hungary and Yugoslavia; B-24s attack Boara Pisani, Italy; in Yugoslavia, B-17s and B-24s attack railroad bridges at Tesica/Moravac, Mitrovica, and Kraljevo, marshalling yards at Novi Sad and the airfield at Nish; in Hungary B-24s attack railroad bridges at Szolnok, and Mezot...
The target for this mission was a pinpoint target in the Alps Mountains. A railroad bridge and viaduct at Orelle, Italy. The Group maintained its poor record against bridges by missing the target because of the failure of the formation leaders to properly identify the target.
Attacking at altitudes ranging from 5,100 to 8,500 feet (1,554 to 2,591 m), 285 of 310 B-29s bomb the Nagoya, Japan urban area with incendiaries during the night of 11/12 Mar destroying 2.05 square miles (5.31 square km); 6 others hit a secondary target; 1 B-29 is lost.