Command & Conquer: Red Alert/Mission 3: Dead End

Variant A
Allies, Mission 03a (upper route) "Dead End"

Briefing: "LANDCOM 16 HQS.TOP SECRET.TO: FIELD COMMANDER A9 INTELLIGENCE RECON SHOWS HEAVY SOVIET MOVEMENT IN YOUR AREA. NEARBY BRIDGES ARE KEY TO SOVIET ADVANCEMENT. DESTROY ALL BRIDGES ASAP. TANYA WILL ASSIST. KEEP HER ALIVE AT ALL COSTS."

For Mission 3 you have two different choices which route you can take. They have same objective but the map layout is different. You'll get this map from choosing the upper arrow.

Walkthrough: Let's burn some bridges.

Variant B
Allies, Mission 03b (lower route) "Dead End"

Briefing: "LANDCOM 16 HQS.TOP SECRET.TO: FIELD COMMANDER A9 INTELLIGENCE RECON SHOWS HEAVY SOVIET MOVEMENT IN YOUR AREA. NEARBY BRIDGES ARE KEY TO SOVIET ADVANCEMENT. DESTROY ALL BRIDGES ASAP. TANYA WILL ASSIST. KEEP HER ALIVE AT ALL COSTS."

For Mission 3 you have two different choices which route you can take. They have same objective but the map layout is different. You'll get this map from choosing the lower arrow.

Walkthrough: Let's burn some bridges.