North Blandford & Gore Roads over Tiffany Brook Superstructure Replacements

A concrete and metal bridge spans over a shallow creek with rocks and sunlight visible through nearby trees.

The bridges carrying North Blandford Road and Gore Road over Tiffany Brook required full superstructure replacement due to critical steel beam section loss. Work for each bridge included full superstructure and partial abutment removal to accommodate the placement of a new single-span steel multi-beam frame supporting galvanized steel deck planks, a reinforced concrete deck, and […]

Monterey Road over Hop Brook Bridge Design

A modern concrete bridge with metal railings spans over a calm body of water, with autumn trees and a cloudy sky in the background.

Collins Engineers, Inc. (Collins) was the prime consultant on the Massachusetts Department of Transportation-Highway Division contract for statewide design and review services, which included the full replacement of Bridge No. T-10-007 (08G) carrying Monterey Road over Hop Brook in Tyringham. Design and review services were performed in accordance with MassDOT’s Project Development & Design Guide, […]

Sadoga Road over Burrington Brook Bridge Design

A small stone-faced bridge crosses a shallow creek with rocks below, surrounded by green grass and trees, with a house and white fence in the background.

Collins Engineers, Inc. (Collins) was the prime consultant on the Massachusetts Department of Transportation–Highway Division contract for statewide design and review services, which included the full replacement of Bridge No. H-14-009 (0HU) carrying Sadoga Road over Burrington Brook in Heath. Design and review services were performed in accordance with MassDOT’s Project Development & Design Guide […]

Market & Everett Street Bridges Preservation/Rehabilitation

A pedestrian bridge under construction, with fencing, scaffolding, and incomplete sections above a roadway. Construction equipment and a fence are visible below.

Collins was the prime consultant providing engineering services for the bridge preservation of both the Market Street and Everett Street Bridges over I-90, the CSX/MBTA Railroad, and local roads in Boston, Massachusetts, as part of the MassDOT Statewide Bridge Preservation/Betterment Program. The work consisted of preserving the existing superstructure and substructure, including power washing the […]

MassDOT Statewide Bridge & Culvert Load Ratings

Three large metal culvert pipes under a stone bridge allow water to flow beneath a roadside with a wooden guardrail and nearby trees.

Collins performed bridge load ratings on MassDOT and municipally owned structures to determine their safe load-carrying capacity. Since 2012, Collins has analyzed and load rated over 70 bridges and culverts in the Commonwealth. The general scope of work consisted of determining the maximum live load capacity each bridge structure can safely support for defined rating […]

Retaining and Sound Wall Inventory for Colorado DOT

Collins developed a risk-based asset management program for the Colorado Department of Transportation’s (CDOT) retaining and sound walls. The scope of work included: Development of a CDOT Recording and Coding Guide for the Inventory and Inspection of Colorado’s Retaining Walls and Sound Walls Development of a web-based data management system compatible with the CDOT BrM […]

The 606

Wide street view with cars, a cyclist, and pedestrians, featuring a red arched bridge and traffic lights in an urban setting.

First opened to the public in June 2015, Chicago’s newest multi-purpose park and trail system is The 606. Built on the former right-of-way of the Chicago Milwaukee St. Paul & Pacific Railroad, the 2.67-mile-long elevated Bloomingdale Trail connects the six ground-level parks of The 606. Collins provided Phase II design for the The 606. The […]