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View 24 profiled projects

Casey Arborway Project, Demolition of Bridge No. B-16-367

Casey Arborway Project, Demolition of Bridge No. B-16-367

Boston, MA
Project Contacts: Rosalind Imbaro

The elevated section of Route 203, known as the Casey Overpass or Bridge No. B-16-367, carried the Arborway over Washington and South Streets in Boston’s Jamaica Plain neighborhood. The Casey Arborway Project involved removing structurally...

Services:Structural Investigation
Markets:Bridge
Keywords:Bridge, Major Vehicular, Construction Consulting, Construction Engineering, Construction Staging, Demolition, Soil-Structure Interaction
SR 520 Floating Bridge

SR 520 Floating Bridge

Bellevue, WA
Project Contacts: Rune Iversen, Sam Yao

With the SR 520 Floating Bridge and Landings Project, the Washington State Department of Transportation replaced the existing floating bridge, also known as the Governor Albert D. Rosellini or Evergreen Point Floating Bridge, over Lake Washington...

Services:Structural Design
Markets:Bridge
Keywords:Bridge, Major Vehicular, Concrete, Concrete-Precast, Construction Engineering, Design-Build, Marine Engineering
Shore Line Bridge Replacement

Shore Line Bridge Replacement

Boston, MA
Project Contacts: Rosalind Imbaro

Originally constructed in 1898, the Shore Line Bridge carries the Massachusetts Bay Transportation Authority (MBTA) commuter rail and CSX freight lines over Amtrak’s Northeast Corridor. MBTA needed to replace the existing steel through-...

Services:Structural Investigation
Markets:Bridge
Keywords:Bridge, Railroad, Construction Consulting, Construction Engineering, Heavy Loads
Railroad Bridge over Otter Creek

Railroad Bridge over Otter Creek

Pittsford, VT
Project Contacts: Rosalind Imbaro, Aaron Lewis

Vermont’s Agency of Transportation was undertaking the rehabilitation of Bridge 219 over Otter Creek. As part of this project, Engineers Construction, Inc. (ECI) needed to replace distressed stone-masonry pier with a new reinforced concrete...

Services:Structural Design
Markets:Bridge
Keywords:Bridge, Railroad, Construction Consulting, Construction Engineering, Heavy Loads
National Institutes of Health, North Drive Bridge

National Institutes of Health, North Drive Bridge

Bethesda, MD
Project Contacts: Rosalind Imbaro, Gary Strand

The Northeast bridge on the National Institutes of Health (NIH) campus services North Drive from Rockville Pike. During a routine inspection of the bridge, NIH identified structural damage and closed the bridge to traffic. As the structural...

Services:Structural Design
Markets:Bridge
Keywords:Concrete, Concrete-Precast, Construction Consulting, Construction Engineering, Foundation, Stone
Brightman Street Bridge Fall River, MA

Brightman Street Bridge

Fall River, MA
Project Contacts: Paul Kelley, William Konicki

During the six-year rehabilitation of the Brightman Street Bridge, SGH provided investigation and concrete design services and performed testing, analysis, and thermal modeling of mass concrete placements.

 

...

Services:Materials Design, Materials Investigation
Markets:Bridge
Keywords:Concrete Mix Design, Failure Investigation, Laboratory Testing and Analysis, Marine Engineering, Petrography
Norwottuck Trail Pedestrian Bridge Amherst

Norwottuck Trail Pedestrian Bridge

Amherst, MA
Project Contacts: Rosalind Imbaro

Constructed in the late 1800s, the Norwottuck Trail Pedestrian Bridge carries the recreational bicycle and walking path over Snell Street.  The steel through-girder structure was corroded and the east girder had a large hole. ...

Services:Structural Design, Structural Investigation
Markets:Bridge
Keywords:Bridge, Pedestrian, Bridge, Railroad, Corrosion, Metal-Steel, Structural Adequacy Assessment
Bradley Palmer State Park Pedestrian/Equestrian Bridge Hamilton-Ipswich

Bradley Palmer State Park Pedestrian/Equestrian Bridge

Hamilton-Ipswich, MA
Project Contacts: Rosalind Imbaro

Built in the early 1900s, the pedestrian/equestrian bridge over the Ipswich River at Bradley Palmer State Park was closed because of deterioration.  SGH investigated the structure and developed a rehabilitation program, including protection...

Services:Structural Rehabilitation
Markets:Bridge
Keywords:Bridge, Pedestrian, Code Compliance, Concrete, Concrete Rehabilitation, Masonry, Stone, Structural Adequacy Assessment
Speen Street Culvert Natick

Speen Street Culvert

Natick, MA
Project Contacts: Rosalind Imbaro

The Speen Street Culvert conveys the Beaver Dam Brook and connects Settlement Pond to Fisk Pond in Natick, Massachusetts.  The original double-barrel, stone-arch culvert is believed to be over 100 years old.  Following the partial...

Services:Structural Rehabilitation
Markets:Bridge
Keywords:Concrete, Concrete-Precast, Construction Engineering, Culverts and Storm Drains, Emergency Response, Failure Investigation, Foundation, Masonry-Brick
Hoover Mason Trestle Bethlehem

Hoover Mason Trestle

Bethlehem, PA
Project Contacts: Matthew Johnson

The 1906 Hoover Mason Trestle at the historic Bethlehem Steel plant transported raw materials on an elevated rail from the ore yard to the plant’s large furnaces. Abandoned for decades, the reinvented trestle is now the backbone of a new,...

Services:Structural Design, Structural Rehabilitation
Markets:Bridge
Keywords:Adaptive Reuse, Award Winning, Bridge, Pedestrian, Exhibitions/Park Pavilions, Historic, Metal-Steel, Revit/BIM, Stair

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Structural Steel Plate Buried Bridges
August 1, 2017

Structural Steel Plate Buried Bridges

By: Jesse Beaver

The state of U.S. infrastructure and need for funding to improve it has been highlighted through efforts of national engineering organizations such as the American Society of Civil Engineers’ Infrastructure Report Card and the American...

Services:Structural Design, Structural Investigation
Markets:Bridge
Keywords:Buried, Culverts and Storm Drains, Metal-Steel, Soil-Structure Interaction
December 14, 2016

Parametric Study on Effects of Pile Orientation in Integral Abutment Bridges

By: Brooke Quinn, Scott A. Civjan

For integral abutment bridge (IAB) design, there is no consensus on the preferable orientation of the piles supporting the abutment, although variations can affect overall bridge behavior and forces in the piles. This paper details a parametric...

Services:Structural Design
Markets:Bridge
Keywords:Bridge, Major Vehicular, Finite Element Analysis, Pile
April 15, 2016

Connecting Past and Present

By: Matthew Johnson, Eric Twomey

A trestle that once carried iron ore through a busy Bethlehem Steel plant in eastern Pennsylvania now serves as a pathway for visitors to the reinvented SteelStacks venue. Founded in 1857 in Bethlehem, Pennsylvania, and shuttered in 2003,...

Services:Structural Design
Markets:Bridge
Keywords:Bridge, Pedestrian, Historic, Metal-Steel
July 30, 2014

Multiple Deterioration Mechanisms in Coastal Concrete Piles

By: Robert Holland, Kurtis, Kimberly E., Moser, Robert D., Kahn, Lawrence F., Aguayo, Fred, Singh, Preet M.

Abstract: The article presents a forensic investigation of precast prestressed concrete piles removed from the I-95 Turtle River Bridge, near Brunswick, GA. The piles exhibited extensive damage that led to the discovery of unexpected threats to...

Services:Materials Investigation, Structural Investigation
Markets:Bridge
Keywords:Concrete, Concrete-Precast, Concrete-Prestressed, Deterioration, Pile, Slab
April 29, 2014

Historic Masonry Bridge Rehabilitation

By: Peter Babaian

New England is home to many iconic and historic bridges. Within the Boston area, many well-known historic bridges cross the Charles River connecting Boston to Cambridge. Typically, these bridges have a distinctive masonry component related to the...

Services:Materials Rehabilitation, Structural Rehabilitation
Markets:Bridge
Keywords:Field Testing, Masonry
July 30, 2013

Evaluation of a noncomposite steel girder bridge through live-load field testing

By: Andrew Jeffrey, Breña, Sergio F., Civjan, Scott A.

Abstract: This paper presents the field evaluation of a damaged noncomposite steel girder bridge that is part of the interstate highway system in Vermont. This bridge is typical of late 1960s construction and spans over a two-lane state highway...

Services:Structural Investigation
Markets:Bridge
Keywords:Field Testing, Finite Element Analysis, Metal, Metal-Steel, Non-Destructive Testing
June 29, 2013

Failure investigation of a historic two-span unreinforced masonry arch bridge using finite-element analyses

By: Bryan Strohman, Juneja, Gunjeet

Abstract: A failure investigation of a historic unreinforced masonry arch bridge with two 11.3 m (37 ft) span arches is presented. The unreinforced masonry arches were 7.0 m (23 ft) wide with a rise of 2.0 m (6.5 ft) and consisted of uniformly...

Services:Structural Investigation, Structural Rehabilitation
Markets:Bridge
Keywords:Cracking, Finite Element Analysis, Geotechnical, Masonry, Masonry-Unreinforced, Soil-Structure Interaction
April 29, 2011

Collapse of the I-280 Maumee River Bridge Launching Gantry in Toledo, Ohio

By: Paul Kassabian, Michael McCall, Donald Dusenberry, William Konicki

Abstract: On 16 February 2004, one of two identical launching gantries used for the parallel construction of the approach viaducts for the I-280 Maumee River Bridge crossing collapsed. The collapse killed four workers and injured four others....

Services:Structural Investigation
Markets:Bridge
Keywords:Collapse, Concrete-Precast, Failure Investigation, Metal-Steel, Truss
July 30, 2005

Live load distribution widths for reinforced concrete box sections

By: Jesse Beaver, McGrath, Timothy J., Atis Liepins

Abstract: AASHTO introduced the AASHTO "LRFD Bridge Design Specifications" in 1994. These load and resistance factor design (LRFD) specifications included new provisions for distributing live loads to reinforced concrete bridge decks...

Services:Structural Design
Markets:Bridge, Highway & Tunnel
Keywords:Bridge, Major Vehicular, Codes & Standards, Concrete, Culverts and Storm Drains, Finite Element Analysis
April 29, 2005

Professor Robert H. Scanlan and the Tacoma Narrows Bridge

By: Leonard Morse-Fortier

Abstract: Among other pursuits, the late Dr. Robert H. Scanlan worked for nearly 40 years to understand the problem of bridge-deck flutter. This paper presents an overview of his work, with particular attention to the original investigative work...

Services:Structural Investigation
Markets:Bridge
Keywords:Bridge, Major Vehicular

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