Cianbro is main the $52.85 million Ticonic Bridge alternative venture in Maine, funded partly via a $25 million grant. The brand new bridge spans the Kennebec River between Waterville and Winslow, Maine, will improve an array of contemporary options selling pedestrian and bicycle protection, and is about for final touch in Might 2027.
Photograph courtesy of MaineDOT
The alternative of the Ticonic Bridge, which carries Bridge Side road (Routes 137 and 201) over the Kennebec River between Waterville and Winslow, Maine, is below approach.
The alternative of the Ticonic Bridge, which carries Bridge Side road (Routes 137 and 201) over the Kennebec River between Waterville and Winslow, Maine, is below approach.
The $52.85 million venture, which won a $25 million BUILD grant from the U.S. Division of Transportation, is being built via Cianbro of Pittsfield, Maine.
Photograph courtesy of MaineDOT
Building started in March 2023 with a final touch date that has been set at Might 2027.
Maine DOT mentioned the venture workforce decided building can be finished in two phases that may permit the contractor to finish building actions whilst accommodating site visitors operations and take away and substitute the previous bridge one part at a time.
The Ticonic Bridge can be changed on alignment with a brand new two-span, metal girder with concrete bridge deck construction. A unmarried concrete pier can be constructed within the river to improve the brand new bridge.
Those girders, as much as 150 feet. in period and weighing as much as 140,000 lbs. each and every, will improve the brand new utilities and urban bridge deck.
The paintings has incorporated leaving the concrete arch because it was once, casting off the failed truss, reconstructing the piers and development a brand new riveted metal girder construction to interchange the truss, developing the primary sizable roadway for vehicular site visitors in a four-span configuration.
In line with MaineDOT, the next building paintings has been finished:
Early in 2024, Cianbro persevered with gantry crane erection, together with putting in crane monitor and truss sections. Divers on website labored at a gantry basis location. Bridge rail was once got rid of from the Waterville aspect of the bridge, get right of entry to to the newly positioned pier seal was once reinstalled, crews started drilling for footing dowels and began paintings at the pier seal, prepping for subsequent segment of the pier placement.
Cianbro persevered paintings at the gantry truss. Crews completed assembling gantry crane 1 and began putting in gantry crane 2. The prime spots within the seal have been leveled, then drilled and put in dowels on pier seal for footing. Staff persevered putting in shape paintings for the pier footing.
Concrete placement was once finished at the pier footing. Cianbro persevered with gantry truss erection and prepped for gantry basis set up. Crews started bridge deck demolition.
By way of mid 2024, crews made vital development via finishing the gantry crane setup alongside all the period of the bridge. Demolition was once finished on span 3 and started on span 4. Crews additionally labored at the heart pier, putting in rebar for the primary phase of the pier stem and put in bureaucracy for a similar.
Photograph courtesy of MaineDOT
Crews persevered noticed slicing operations from abutment one and into span two and finished segment one of the vital deck removing. The gantry crane facilitated the removing of girders and structural metal, whilst staff persevered to put in rebar, formwork and armor for the following carry of the pier stem. Demolition and structural earthwork efforts befell at abutment one.
Staff finished concrete placement for the segment one pedestals. Paperwork at the first carry of the pier seal have been got rid of, at the side of metal girders. Crews persevered with the abutment one demo and structural earth excavation. Metal girders have been got rid of at the westbound spans at the side of pier stems. Crews excavated to bedrock and wiped clean it in preparation for abutment two paintings. Tree clearing at the Waterville aspect was once finished and started at the Winslow aspect. Abutment one demolition was once finished. Paperwork and rebar have been put in for abutments one and two sub-footings.
When finished, the brand new bridge will introduce streetscape options to advertise strolling and bicycling and strengthen the good looks and high quality of existence downtown. The brand new bridge will characteristic 5-ft. shoulders to house bicycles, in addition to 6-ft. sidewalks for pedestrians. It’ll have fashionable bridge rails which are more secure and meet crashworthy requirements, will come with architectural lights and have corrosion resistant building fabrics that may stand the check of time. CEG
