Bridge

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Golden Gate Bridge North Anchorage Housing

San Francisco, CA

Project Contacts: Craig Goings, Ronald Hamburger

Following the 1989 Loma Prieta earthquake, the Golden Gate Bridge District conducted a seismic evaluation of this iconic span located less than 3 mi from the San Andreas fault. The District determined the bridge could not reliably survive a...

Service:Structural Investigation

Market:Bridge

Keywords:Bridge, Major Vehicular, Civil, Concrete, Demolition, Foundation, Geotechnical, Seismic Engineering and Retrofit

First Street Bridge

Boston-Cambridge, MA

Project Contacts: Erik Farrington, Paul Kelley

The First Street Bridge is a bascule drawbridge carrying traffic westbound over Broad Canal. The bridge suffered from several forms of deterioration including damage to the concrete counterweight, the concrete deck on the approach span, and...

Service:Structural Rehabilitation

Market:Bridge

Keywords:Concrete, Deterioration, Metal-Steel, Metal, Term Contracts

Neponset River Bridge

Boston-Quincy, MA

Project Contacts: Atis Liepins

Opened in 1971, Neponset River Bridge carries Morrissey Boulevard traffic over Neponset River. The superstructure consists of steel plate girders and cover-plated steel stringers supporting a 7.5 in. thick reinforced concrete deck. The girders...

Service:Structural Rehabilitation

Market:Bridge

Keywords:Cracking, Finite Element Analysis, Heavy Loads, Structural Adequacy Assessment

Simpson Gumpertz & Heger

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Golden Gate Bridge North Anchorage Housing

First Street Bridge

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