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San Francisco Bay Trail

San Francisco, California

Parks and Recreation


South San Francisco Scavengers


EnviroAssets, Inc.


Interstate Grading and Paving, Inc.


October 2009

There was a necessity that the San Francisco Bay Area’s shoreline be protected from development in and around it. In 1987, the “Ring Around the Bay” protection plan was introduced in order to create a 500-mile long biking and hiking trail around the Bay without impacting the surrounding environment.

In order to complete an eight-mile portion of the trail in San Mateo County, a pedestrian overpass was needed to span the waters below. A 10’ x 145’ Continental® Truss Bridge was chosen and installed. This prefabricated overpass provided the best value for the customer by offering flexibility in design and meeting the aggressive time schedule of the project.

The bridge arrived in three separate pieces, was assembled on site and then installed on deep foundations using a crane. Construction of this privately funded bridge was made possible by donations from the South San Francisco Scavengers, who specialize in the collection of refuse and recycling and HCP Inc., who provides mortgages and other financial services to the healthcare industry.

The primary challenge of the project was to ensure that the prefabricated option could be produced and shipped in a timely manner and installed on a site with very tight access. Both of the challenges were met and exceeded the vision and expectatations of the owner, contractor and project manager.

“Installation of this bridge in the City of South San Francisco completes an important link in the regional Bay Trail system,” stated Laura Thompson, Bay Trail Project Manager of the Association of Bay Area Governments. “Bicyclists and pedestrians can now travel along a continuous eight mile section of shoreline trail without having to use city streets. Located adjacent to numerous office parks, this bridge provides an option for safe and direct commuting by bicycle.”

Traffic on the trail over the last six years has increased and will continue to increase due to the addition of the pedestrian overpass structure.

Technical Description:

  • Width: 10 ft
  • Span: 145 ft
  • Style: Connector®
  • Finish: Painted
  • Decking: Ironwoods

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