Work to remove a temporary footbridge which linked the two sides of Workington after the 2009 floods is on schedule.
The Army built Barker Crossing over the River Derwent after Northside bridge was washed away in November 2009, killing Pc Bill Barker.
The structure is no longer needed and a team of 128 Army engineers is currently taking it down.
Work on the site is due to be completed on 4 March.
Barker Crossing was erected after Workington was split in two by the heaviest rainfall ever recorded in England.
It reconnected both sides of the town following the destruction of other bridges.
Army spokeswoman Capt Caroline Livesey, 32, who designed the bridge, said: "Barker Crossing was only ever a temporary emergency measure until other bridges were repaired following the floods.
"The Royal Engineers are very proud of the bridge and the role it played in helping residents to cross the Derwent.
"Extracting the bridge is a relatively complex operation but we are on schedule and everything is running smoothly."
Pc Barker was directing traffic away from Northside Bridge when it collapsed.
The father-of-four, from Egremont, fell into the River Derwent, which had been swollen by record rainfall.
Capt Livesey added: "The disruption to the civilian population has been minimal and we are on target to hand over the site to the council.
"The local population have been very supportive with people coming up to say it's great to see the Army back."