Hinsdale bridge

Concrete for the last two bridge deck sections and the Vermont approach slab has been placed. Work on removing the last treatment tank from the Pier 1 site should be completed this week. The new traffic pattern is in place on the new alignment on NH 119 as of this week as well.

For the next couple of weeks, placement of concrete for the sidewalks and curbs will continue to advance from east to west. Work on the approach to the bridge from VT 142 will ramp up – including placing the moment slabs/sidewalk, installing the expansion joint at that end of the bridge, raising the approach to grade, installing the traffic signals, and final paving.

Multiple concrete placements are scheduled for the next 3 weeks for the bridge approach from VT 142 as well as the sidewalks and rail copings. A placement for sidewalk and curb is scheduled for Monday, and the Vermont approach slab is to be placed Wednesday. Both will require multiple truckloads of concrete.

Work on cleaning and removing the remaining two tanks from the Pier 1 dewatering treatment system will resume next week. Finish work of berm repair, grading, and paving in the Barrows and Fisher yard around Pier 1 also remains.

Formwork for sidewalks and rail copings is still being installed on the bridge deck. The installation of rebar for the bridge deck and the approach slab on the VT abutment will be completed this week. Multiple concrete placements are scheduled for next week for the bridge deck as well as the sidewalks and rail copings.

Paving of NH 119 finished earlier this week. Crews are scheduled to finish guardrail installation by the end of this week. Installation of asphalt curb and the application of pavement markings are scheduled for next week and the traffic pattern will remain as configured through these operations.

Formwork for sidewalks and rail copings is still being installed on the bridge deck. Concrete is being placed today into a portion of those forms, and that work will continue. Placing concrete for another deck section is scheduled for July 24th.

Additional rebar to complete the bridge deck had to be ordered, and installation of that should be finished next week.

The subgrade for the approach slab at the Vermont abutment has been graded in preparation for building forms and installing rebar next week.

Overhang formwork for the bridge deck and welding the girders to the VT abutment bridge shoes has been completed.

Crews are continuing to install stainless steel rebar for the bridge deck, and should complete that next week.

Conduit and hanger supports are being installed along the underside of the bridge this week, and should be completed early next week.

Superstructure work continues to advance toward Vermont as the contractor continues formwork for overhangs. Shear stud placement and grouting have been completed and rebar installation will continue in earnest beginning on Monday, July 8th after the holiday. Dewatering and treatment tanks that have been awaiting removal have been tentatively scheduled to be cleaned and taken away sometime next week.

Work continues to progress toward the Vermont abutment on the remaining overhang formwork, placing shear studs into girders, grouting deck panels, and placing rebar. Grouting of deck panels in Vermont will take place on Monday, July 1st, with the concrete delivered to a pump truck located beneath the bridge in the Barrows & Fisher’s property.

Increased construction traffic is anticipated adjacent to the work zone on Vermont Route 142 while the large crane is disassembled. Motorists should remain vigilant.

Due to current work on New Hampshire Route 119 associated with the project, the eastbound lane shift on NH 119 shortly after traveling over the twin bridges remains active. Signs and barrels are in place to assist motorists through the work zone.

Work continues to progress on the remaining overhang formwork, shear studs and grout, and placing rebar continues to progress toward the Vermont abutment. This work will continue for several more weeks.

All the deck panels are installed! Work on the remaining overhang formwork, shear studs and grout, and placing rebar continues to progress toward the Vermont abutment. It will continue for several more weeks.

Last week’s operations of installing deck panels, forms for drainage scuppers within the deck, and brackets and forms for overhangs continue to progress westerly to reach the Vermont abutment. Tensioning of the bolts on cross-braces and steel diaphragms is being finalized. Cleaning and removal of the components of the water treatment system used at Pier 1 remains on hold.

Crews continue to install deck panels, forms for drainage scuppers within the deck, and brackets and forms for overhangs as they progress westerly to reach the Vermont abutment. Welding the shear studs to the beams will also advance into Vermont next week. Tensioning of the bolts on the recently erected structural steel will be substantially complete this week. Cleaning and removal of the components of the water treatment system used at Pier 1 is on hold.

No traffic impacts are anticipated on Vermont Route 142 next week, however the work zone remains active and motorists should watch for construction vehicles entering and exiting the work site.

Due to current work on New Hampshire Route 119 associated with the project, vehicles traveling eastbound into New Hampshire from Vermont should expect a newly line-striped lane shift on NH 119 shortly after traveling over the twin bridges. Signs and barrels are in place to assist motorists through the work zone.

Crews will continue to work on finishing the tensioning of the recently erected structural steel next week. The water treatment system used at Pier 1 is scheduled to be cleaned and the components removed from the site beginning on Monday.

The shores of New Hampshire and Vermont are linked anew as all major structural steel components have been assembled! Installing cross-frames, and placing and tensioning bolts will continue through next week.

The northbound shoulder will continue to be closed all week long and motorists are advised to watch for vehicles entering and exiting the construction site.

Delivery of steel to the abutment site on Vermont Route 142 is currently scheduled for Monday, April 29th, and Wednesday, May 1st. The delivery route is planned to provide direct access from the south along VT 142 from Massachusetts Route 10. Flaggers and Uniformed Traffic Officers will be available to assist with the delivery, however it is not anticipated to require a lane closure. When the steel is ready to be moved from the truck to the bridge, a brief hold of all traffic on VT 142 will be required.

One way alternating traffic patterns with flaggers will be implemented on Vermont Route 142 adjacent to the construction site on Monday and Tuesday next week. The northbound shoulder will be closed all week long and motorists are advised to watch for vehicles entering and exiting the construction site.

Delivery of steel to the abutment site on VT 142 is currently scheduled for Wednesday, April 24th, Monday, April 29th, and Wednesday, May 1st. The delivery route is planned to provide direct access from the south along VT 142 from Massachusetts Route 10. Flaggers and Uniformed Traffic Officers will be available to assist with the delivery, however it is not anticipated to require a lane closure. When the steel is ready to be moved from the truck to the bridge, a brief hold of all traffic on VT 142 will be required.

A short duration closure (approximately 15 minutes) of VT/NH 119 can be expected today April 10th, tomorrow April 11th, Monday April 15th, and Wednesday April 17th at 11:00 a.m. for structural steel deliveries.

The delivery route of the structural steel to the Barrows and Fisher yard where the Pier 1 site is located will be along New Hampshire and Vermont Route 119 to Depot Street. This impact will include a short duration closure (approximately 15 minutes) of the twin bridges beginning at the intersection of Bridge Street to Canal Street, Main Street, and Vermont Route 142. Uniformed Traffic Officers will be located at the intersection’s entrance to Bridge Street during the closure period.

Delivery of steel girders to Pier 1 is scheduled for Tuesday through Thursday, April 9th, 10th, and 11th, and Monday, April 15th.

The delivery route will be along New Hampshire and Vermont Route 119 to Depot Street. This impact will include a short duration closure (approximately 15 minutes) of the twin bridges beginning at the intersection of Bridge Street to Canal Street, Main Street, and Vermont Route 142. Uniformed Traffic Officers will be located at the intersection’s entrance to Bridge Street during the closure period. All deliveries are tentatively set for 1:00 p.m. to accommodate the train schedule.