Workers pour concrete for Main Street Bridge project in Peterborough

  • Peterborough's Main Street Bridge construction hit a milestone Tuesday as more than 60 truckloads of cement were poured from before sunrise to after sundown. Staff photo by Ben Conant—

  • Peterborough’s Main Street Bridge construction hit a milestone Tuesday as over 60 truckloads of cement were poured from before sunrise to after sundown. Staff photo by Ben Conant

  • Peterborough's Main Street Bridge construction hit a milestone Tuesday as over 60 truckloads of cement were poured from before sunrise to after sundown. Staff photo by Ben Conant—

  • Peterborough's Main Street Bridge construction hit a milestone Tuesday as over 60 truckloads of cement were poured from before sunrise to after sundown. Staff photo by Ben Conant—

  • Peterborough's Main Street Bridge construction hit a milestone Tuesday as over 60 truckloads of cement were poured from before sunrise to after sundown. Staff photo by Ben Conant—

  • Peterborough's Main Street Bridge construction hit a milestone Tuesday as over 60 truckloads of cement were poured from before sunrise to after sundown. Staff photo by Ben Conant—

  • Peterborough's Main Street Bridge construction hit a milestone Tuesday as over 60 truckloads of cement were poured from before sunrise to after sundown. Staff photo by Ben Conant—

  • Peterborough's Main Street Bridge construction hit a milestone Tuesday as over 60 truckloads of cement were poured from before sunrise to after sundown. Staff photo by Ben Conant—

  • Peterborough's Main Street Bridge construction hit a milestone Tuesday as over 60 truckloads of cement were poured from before sunrise to after sundown. Staff photo by Ben Conant—

  • Peterborough's Main Street Bridge construction hit a milestone Tuesday as over 60 truckloads of cement were poured from before sunrise to after sundown. Staff photo by Ben Conant—

  • Peterborough's Main Street Bridge construction hit a milestone Tuesday as over 60 truckloads of cement were poured from before sunrise to after sundown. Staff photo by Ben Conant—

Monadnock Ledger-Transcript
Published: 11/17/2021 10:44:10 AM

Work crews poured 750 cubic yards of concrete on the Main Street Bridge project Tuesday, an effort that started at 5 a.m. and drew crowds of interested residents to watch the action.

“It’s very exciting to watch,” said Judith Stout, who was pausing on the pedestrian bridge alongside the project on her way to Peterborough Town Library. 

With the sun only slightly warming the cool fall air, construction workers walked around on a lattice of rebar, ensuring the concrete pour went smoothly. The cement was brought in on trucks on either side of the bridge that came and went about every 20 minutes, and it was piped through long hoses that the workers maneuvered carefully to keep the pour even. In between, the workers would spray down the rebar and sweep away dust to keep the work area clean. 

“I’ve never seen a pour this big,” said Peter Pates, a member of the one of the crews responsible for some of the earth work on the bridge. “It’s an interesting project; it’s a historic bridge.”

Some of the gathered watchers expressed admiration for how long the crew would be working – floodlights were at the sides of the work site, preparing for when the work would continue for about three hours after sunset. According to Director of Public Works Seth MacLean, the work was completed at about 7:45 p.m., the culmination of a nearly 15-hour workday. 

Spectators discussed how much easier navigating traffic would become when the project is finally done. 

“This’ll be a godsend when it’s complete,” said Deputy Fire Chief Brian Wall, on a quick stop by the bridge to see the excitement. Being able to drive the fire trucks through this area would ease a lot of stress for the department, he said. 

The pour was the biggest day of the project so far, according to MacLean. As of now, he is still anticipating the bridge to be open for vehicle traffic in mid-December.

“The concrete pour went extremely well,” he said. “Other than some early evening wind that made placement of insulating blankets challenging, there were no issues otherwise.”

Next up, MacLean said, is testing the material to ensure structural integrity. This will occur a week, 14 days and 28 days following the pour.

“If all the testing comes back good, we’re still looking at allowing traffic back on the bridge about 30 days from today,” he said Wednesday morning. “That date is subject to change, but as of now, I am confident that the bridge will be reopened to a lane of traffic at the latest by the end of the year.”

Work will not be over, however. The project is set to officially wrap by June 30, 2022.




Monadnock Ledger-Transcript

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