Lune Street was closed during Thursday afternoon as fire services dealt with the partial collapse of a chimney stack.
Fire services were called at 1.22pm and one fire engine from Bamber Bridge station and an aerial ladder platform from Blackpool attended the dangerous structure.
They dismantled the chimney stack in the three storey commercial building to a safe structural level using the aerial ladder and small tools.
Read more: West Strand was closed due to loose scaffolding
Crews remained at the scene for around three and a half hours.
Councillor Peter Moss, Deputy Leader and Cabinet member for planning and regulation, said: “Following a report of falling masonry from a building in Lune Street, our Building Control officers attended the scene along with the Police and Fire and Rescue services.
“Safety of the public is our main priority in these incidents, and thankfully the building was made safe and the road re-opened before 5pm on Thursday.
“The business tenants have been updated and Council staff are now liaising with the building owners about long term repairs.”
The latest news updates in your area can be seen below
Read more: See the latest Preston news and headlines