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About the Project

The Vermont Agency of Transportation in conjunction with A.L. St. Onge Contractor Inc. (St. Onge) will be installing a new bridge on VT Route 105 in Richford approximately 1 mile south of the intersection of VT Route 105, Main Street, and River Street. The anticipated completion of the project in November 2022.

A view of the bridge to be replaced along VT Route 105 in Richford

A view of the existing bridge

 

For questions/concerns regarding this project or to receive weekly project updates, you may email Stephanie Barrett, Public Information Consultant at sbarrett@coibsinc.com or call 802-399-7847. 

Richford Bridge Replacement - VT Route 105

THIS PROJECT IS COMPLETE!

On behalf of the Vermont Agency of Transportation and myself, we would like to thank everyone for your patience and understanding during the replacement of this bridge on VT Route 105, Richford.

VT105 Final Bridge

Completed Bridge Project


Construction Updates:

This Week: Bridge deck had 1/2" taken off to obtain a perfect profile/surface; Rubber bridge joints were installed.

The following is the anticipated work schedule for the week beginning Monday, June 5, 2023:

Monday through Friday:

  • Weather permitting, line striping, if not completed before the end of this week.

VT105 Paved

Awaiting line striping


This Week: Final pavement (wearing course) was placed and the site area has all been restored.

The following is the anticipated work schedule for the week beginning Tuesday, May 30, 2023:

Tuesday:

  • Grinding 1/2" of the bridge deck surface to obtain a perfect deck profile/surface.

Wednesday:

  • Installation of rubber bridge joints.

Thursday:

  • Weather permitting, line striping.

VT105 Paving

VT105 Paved

Final paving is complete and the construction site restorated


This Week: Base pavement was placed and traffic is now driving over the new bridge; Guardrails are installed; The temporary bridge has been removed.

The following is the anticipated work schedule for the week beginning Monday, May 22, 2023:

Monday through Thursday, Friday until noon:

  • Weather permitting, final paving on both bridge approaches.
  • Continue site restoration on abutting surroundings disrupted during this project.

RT105 Bridge

Approach paved; Temporary bridge removed; Began site restoration


This Week: Minimal work to include continued site restoration.

The following is the anticipated work schedule for the week beginning Monday, May 15, 2023:

Monday:

  • Weather permitting, paving the base course on both bridge approaches.

Tuesday through Friday:

  • Begin removal of the temporary bridge roadway along with the temporary bridge.

Friday:

  • Complete installation of guardrail.

Motorists to expect traffic control with moderate delays during the paving operation.

RT105 Richford

New concrete bridge deck


This week:  Both approaches were milled in anticipation of paving. Guardrail was installed. Began site restoration.

The following is the anticipated work schedule for the week beginning Monday, May 8, 2023:

Monday through Friday:

  • Weather permitting, paving both bridge approaches.
  • Begin removal of the temporary bridge.

Bridge abutments prepped for paving

Began project site restoration


This week: The contractor completed the concrete curbing pours and began working on abutting property clean-up work due to construction activities.

The following is the anticipated work schedule for the week beginning Monday, May 1, 2023, 2023.

Monday through Friday:

  • Work to continue on the roadway approaches in anticipation of milling and paving the roadway base potentially later in the week.
  • Installation of the bridge guardrail.

Richford curb

Forms set for the concrete pour of the bridge curb

Richford wall cured

Concrete retaining wall poured and cured


Drainage structures were installed along with the forming and pouring of the concrete approach slabs and some bridge curbing. The existing pavement on each bridge approach has been removed in preparatoin for base pavement - motorists be aware of gravel surfaces and reduce speed.

 

The following is the anticipated work schedule for the week beginning Monday, April 24, 2023.

Monday through Friday:

  • The newly poured concrete for the approach slabs, bridge curb and retaining wall will be curing.
  • Pouring of the remaining bridge curb.
  • Preparation of the roadway approaches in anticipation of paving the roadway base potentially later in the week.

Richford Br Approach

Concrete pour of the bridge approachment


Spring is here and so is the 2023 construction season.

The following is the anticipated work schedule for the week beginning Monday, April 17, 2023.

Monday through Friday:

  • Prep work to begin construction and work on the both bridge roadway approaches.

2022 Richford Bridge

2022 Construction work


The contractor monitored the curing of the concrete deck slab poured last Friday along with project clean up work this week.

The following is the anticipated work schedule for the week beginning Monday, November 28, 2022.

Monday through Friday:

  • Begin removal of the deck formwork.
  • Begin preparations for the installation of the new sewer force main system.

Richford Bridge

Bridge deck poured and curing


Began installing the formwork and placement of the reinforced steel for the concrete decking. Installed heated enclosure under the bridge deck to maintain proper curing temparatures after the concrete is poured. Concrete is scheduled to be poured tomorrow, November 18, 2022.

 

The following is the anticipated work schedule for the week beginning Monday, November 21, 2022.

Monday through Wednesday:

  • Monitoring of the poured concrete decking to maintain proper temperatures within the heated enclosures.

Richford Bridge

Bridge deck formwork being installed


Allowed for curing of the poured stem and wing walls. Southern cofferdam and forms were removed.

This project will shut-down for the winter in early December (or as weather dictates) and will resume mid to late April 2023.

 

The following is the anticipated work schedule for the week beginning Monday, November 14, 2022.

Monday through Friday:

  • Removal of the remaining formwork.
  • Backfilling the southern abutment with granular fill.
  • Begin forming the bridge deck slab.

VT105 Wing Wall

View from both sides of the southbound stem and wing walls poured and cured

VT105 SB Abutment


Formwork continued this week for the stem and wing walls on the southern abutment, including pouring the concrete.

The following is the anticipated work schedule for the week beginning Monday, November 7, 2022.

Monday through Friday:

  • After the concrete has cured, stripping of the formwork.
  • General project cleanup work.

VT105 Bridge

Form work prepping for concrete pour

VT105 Bridge

Pouring concrete on southbound wing walls


Excavated for and poured the concrete sub-footing on the southern abutment.

The following is the anticipated work schedule for the week beginning Monday, October 31, 2022.

Monday through Friday:

  • Continue work on construction of the footing for the bridge abutment walls at the southern abutment.

Prepping for concrete

Form work prepping for concrete pour

VT105 Richford

Pouring concrete sub-footings


PROJECT UPDATE: Installation of the cofferdam at the southern abutment continued as weather allowed.

The following is the anticipated work schedule for the week beginning Monday, October 24, 2022.

Monday through Friday:

  • Continue work on the installation of the cofferdam at the southern abutment. When completed, excavation work will begin.

VT105 Bridge

Cofferdam installation on southern abutment


PROJECT UPDATE: The northern abutment is complete. Work on the southern abutment has begun with demolition and removal of the existing concrete along with the start of the installation of the steel sheet piling for the cofferdam.

The following is the anticipated work schedule for the week beginning Monday, October 17, 2022.

Monday through Friday:

  • Continue work on the installation of the cofferdam steel sheet piling. Once this installation is complete, excavation efforts will begin.

VT105 Bridge

Old southern abutment removed

VT 105 Bridge

Installation of cofferdam sheeting on the southern abutment


PROJECT UPDATE: All formwork was removed as well as the cofferdam sheeting on the northern abutment. Backfilling of the said abutment began.

The following is the anticipated work schedule for the week beginning Monday, October 10, 2022:

Monday through Friday:

  • Begin demolition of the old, existing southern abutment along with excavation efforts.

VT 105Richford Bridge

Removal of cofferdam sheeting on northern abutment

VT105 Richford Bridge

Backfilling the northern abutment


PROJECT UPDATE: Began stripping forms on the completed northern abutment.



The following is the anticipated work schedule for the week beginning Monday, October 3, 2022.

Monday through Friday:

  • Continue stripping the northern abutment formwork
  • Removal of the northern sheet pile cofferdam
  • Begin backfilling the northern abutment with granular fill

VT105 Richford

Stripping the northern abutment wall


The following is the anticipated work schedule for the week beginning Monday, September 26, 2022.

Monday through Friday:

  • Strip the northern abutment formwork
  • Removal of the northern sheet pile cofferdam
  • Begin backfilling the northern abutment with granular fill

VT105 Bridge

Northern abutment wall


The following is the anticipated work schedule for the week beginning Monday, September 12, 2022.

Monday through Friday:

  • Continue pouring concrete walls for the northern abutment.

Richford Bridge

Installation of wall a form for concrete pour on the northern abutment


The following is the anticipated work schedule for the week beginning Monday, September 12, 2022.

Monday through Friday:

  • Continue pouring concrete walls for the northern abutment.

VT105 Richford

Continue prepping wall forms for concrete pour on the northern abutment


The following is the anticipated work schedule for the week beginning Monday, September 5, 2022:

Monday:

  • No work due to the Labor Day holiday. 

Tuesday through Friday:

  • Pouring concrete for the northern abutment walls and allowing time for the concrete to cure.

VT105 Richford

Prepping wall forms for concrete pour o the northern abutment


The following is the anticipated work schedule for the week beginning Monday, August 29, 2022.

Monday through Friday:

  • Installation of reinforced steel within the wall formwork on the the northern abutment.

Richford VT105 Bridge

Continued work on forming the walls for the northern abutment


The following is the anticipated work schedule for the week beginning Monday, August 22, 2022.
Monday through Friday:
  • Continue forming the footings and walls for the northern abutment.
  • If time allows, begin removal of the southern abutment.

Richford VT105 Bridge

Continued work on the northern abutment


The following is the anticipated work schedule for the week beginning Monday, August 15, 2022.
Monday through Friday:
  • Continue excavation and related activities for the cofferdam installation.

Richford VT105

Cofferdam installation on the east side of the bridge


PROJECT UPDATE: Cofferdam construction continued at the northern abutment.
The following is the anticipated work schedule for the week beginning Monday, August 8, 2022.
Monday through Friday:
  • Completion the cofferdam system at the northern abutment.
  • Excavation work within the cofferdam in anticipation of sub-footing work.

VT105 Richford

Cofferdam installation in the Loveland Brook


PROJECT UPDATE: No activities have taken place this week due to the contractor working elsewhere and will return to this project as soon as possible.
The following is the anticipated work schedule for the week beginning Monday, August 1, 2022.
Monday through Friday:
  • Excavation work and construction of the cofferdam system at the northern abutment to resume.
  • Work on a temporary sewer main bypass system between the two abutments.

PROJECT UPDATE: No activities have taken place this week.
The following is the anticipated work schedule for the week beginning Monday, July 25, 2022.
Monday through Friday:
  • Excavation work and construction of the cofferdam system at the northern abutment to resume.
  • Work on a temporary sewer main bypass system between the two abutments.

PROJECT UPDATE: Minimal activities this week.
The following is the anticipated work schedule for the week beginning Monday, July 18, 2022.
Monday through Friday:
  • Continue excavation work for the installation of the northern abutment
  • Continue "driving pile" to determine the depth of the bedrock

The following is the anticipated work schedule for the week beginning Monday, July 11, 2022.
Monday through Friday:
  • Continue excavation work for the installation of the northern abutment
  • Continue "driving pile" to determine the depth of the bedrock

Cofferdam in place to stabilize excavation and Loveland Brook


The following is the anticipated work schedule for the week beginning Monday, July 4, 2022.
Monday:
  • No work due to the Independence Day holiday
Tuesday through Friday:
  • Excavation work along with construction of a cofferdam to pump the water out of the Loveland Brook bed

 

Excavation and abutment removed from the north end


The following is the anticipated work schedule for the week beginning Monday, June 27, 2022.
Monday through Thursday and Friday until noon:
  • Excavation work at the northern abutment to determine the depth of the bedrock.

Abutment removed from the north end


The following is the anticipated work schedule for the week beginning Monday, June 20, 2022.
Monday through Friday:
  • Installation of metal sheeting ("driving pile") to stabilize the foundation for a temporary cofferdam.
  • Installation of a temporary sewer bypass system

The following is the anticipated work schedule for the week beginning Monday, June 13, 2022.
Monday through Friday:
  • Excavation work around existing abutments to determine the depth of the bedrock.
  • Equipment mobilization
  • If all goes well, begin installing metal sheeting ("driving pile") to stabilize the foundation for the bridge installation.

Richford VT 105


The following is the anticipated work schedule for the week beginning Monday, June 6, 2022.
Monday through Friday:
  • Excavation work to begin this week for the installation of the new bridge.

The following is the anticipated work schedule for the week beginning Monday, May 30, 2022.
Monday:
  • No work due to the Memorial Day holiday.
Tuesday through Friday:
  • The contractor may be performing some preliminary excavation work along with some equipment mobilization, in advance of full construction to begin in June.

The following is the anticipated work schedule for the week beginning Monday, May 23, 2022.
Monday through Friday:
  • The contractor may be performing some preliminary excavation work along with some equipment mobilization, in advance of full construction to begin in June.

VT 105 Bridge

Original bridge removed; Awaiting new bridge construction


This is the final update on this project until Spring 2022 when work begins on the construction of the new bridge.

VT105 Richford Bridge

Original bridge is now removed


The following is the anticipated work schedule for the week beginning Monday, November 15, 2021:
Monday through Friday:
  • The old precast steel temporary bridge will be removed by end of day today
  • Removal of the concrete slab deck from the original bridge structure

Traffic now detoured onto the new temporary bridge


The following is the anticipated work schedule for the week beginning Monday, November 8, 2021:

Monday through Friday:
  • Installation of guardrail
  • Traffic to be switched over onto the new temporary bridge

VT105 Richford Richford VT105

Temporary bridge and abutments installed


The following is the anticipated work schedule for the week beginning Monday, November 1, 2021:
Monday through Friday:
  • Continue work the roadway approaches and temporary bridge abutments
  • Paving base of the bridge approaches
  • Weather permitting, paving another "lift" of the bridge approaches
  • Weather and time permitting, line striping the temporary detour

Temporary bridge structure in place


The following is the anticipated work schedule for the week beginning Monday, October 25, 2021:
Monday through Friday:
  • Continue work the roadway approaches and temporary bridge abutments

One half of the temporary bridge structure to be located over the brook


The following is the anticipated work schedule for the week beginning Monday, October 18, 2021:
Monday through Friday:
  • Work on the roadway approaches to the temporary bridge structure

VT105 Bridge

Footing being poured for temporary bridge installation


The following is the anticipated work schedule for the week beginning Monday, October 11, 2021:
Monday through Friday:
  • Continue excavation work to prep for the installation of the temporary bridge structure

Excavation progress for temporary bridge installation


The following is the anticipated work schedule for the week beginning Saturday, October 4, 2021:
Monday through Friday:
  • Continue excavation work to prep for the installation of the temporary bridge structure

Richford VT105 bridge

Excavation has begun for temporary bridge installation