Yeah, ive tried everything I can think of. I've gone slow, backed up, jumped, crawled, went through holding something, went through shooting, used a rocket and grenade to blast my self through. Interesting fact: i placed a grenade and went through, then it exploded on me when the screen went black
I'm in chapter 7, Highway 17, at the part where you have to go under the bridge to disable the forcefield. BUT when I open the door to actually get under the bridge the game loads, and then the screen fades to black. I can still see my health, armor, and ammo, but it is like i feel off a cliff...