diff -r 9aad21a5654f -r 2d6d31173813 tunnelbridge_cmd.c
--- a/tunnelbridge_cmd.c	Tue Nov 23 20:54:51 2004 +0000
+++ b/tunnelbridge_cmd.c	Tue Nov 23 22:36:11 2004 +0000
@@ -936,7 +936,7 @@
 	image = b[12 + (ti->map5&0x01)];
 	piece = _map2[ti->tile]&0xF;
 	if (image != 0 && piece != 0) {
-		if (!(_display_opt & DO_TRANS_BUILDINGS)) image = (image & 0x3FFF) | 0x03224000;
+		if (_display_opt & DO_TRANS_BUILDINGS) image = (image & 0x3FFF) | 0x03224000;
 		DrawGroundSpriteAt(image, x, y, z);
 	}
 
@@ -953,7 +953,7 @@
 			{2,4,8,1,  11,16,9,0},
 		};
 
-		if (!(_display_opt & DO_TRANS_BUILDINGS)) image = (image & 0x3FFF) | 0x03224000;
+		if (_display_opt & DO_TRANS_BUILDINGS) image = (image & 0x3FFF) | 0x03224000;
 
 		p = _tileh_bits[(image & 1) * 2 + (ti->map5&0x01)];
 		front_height = ti->z + ((ti->tileh & p[0])?8:0);
@@ -1047,7 +1047,7 @@
 			}
 
 			// draw ramp
-			if (!(_display_opt & DO_TRANS_BUILDINGS)) image = (image & 0x3FFF) | 0x03224000;
+			if (_display_opt & DO_TRANS_BUILDINGS) image = (image & 0x3FFF) | 0x03224000;
 			AddSortableSpriteToDraw(image, ti->x, ti->y, 16, 16, 7, ti->z);
 		} else {
 			// bridge middle part.
@@ -1094,13 +1094,13 @@
 
 			// draw rail
 			image = b[0];
-			if (!(_display_opt & DO_TRANS_BUILDINGS)) image = (image & 0x3FFF) | 0x03224000;
+			if (_display_opt & DO_TRANS_BUILDINGS) image = (image & 0x3FFF) | 0x03224000;
 			AddSortableSpriteToDraw(image, ti->x, ti->y, (ti->map5&1)?11:16, (ti->map5&1)?16:11, 1, z);
 
 			x = ti->x;
 			y = ti->y;
 			image = b[1];
-			if (!(_display_opt & DO_TRANS_BUILDINGS)) image = (image & 0x3FFF) | 0x03224000;
+			if (_display_opt & DO_TRANS_BUILDINGS) image = (image & 0x3FFF) | 0x03224000;
 
 			// draw roof
 			if (ti->map5&1) {
@@ -1115,7 +1115,7 @@
 				// draw poles below for small bridges
 				image = b[2];
 				if (image) {
-					if (!(_display_opt & DO_TRANS_BUILDINGS)) image = (image & 0x3FFF) | 0x03224000;
+					if (_display_opt & DO_TRANS_BUILDINGS) image = (image & 0x3FFF) | 0x03224000;
 					DrawGroundSpriteAt(image, x, y, z);
 				}
 			} else if (_patches.bridge_pillars) {