Portfolio Tag: Bridge

Hill Street Road Bridge

Spectra was selected by the City of Gloversville to provide Phase I-VI engineering services to replace the Hill Street Road Bridge over the Cayadutta Creek. The project allows access to proposed developments and is a critical link from downtown to commercial developments. The replacement structure is an adjacent pre-stressed voided slab superstructure on reinforced concrete…
Read more

Barnhart Island Bridge Inspection

Spectra performed a hands-on inspection of the Barnhart Island Bridge over the south channel of the St. Lawrence River. The bridge is a three-span modified Warren through-truss with a segmentally straight parabolic shape upper chord. The structure has a center span of 508 feet 6 inches and the two ends spans are each 282 feet…
Read more

Pony Farm Road Bridge over CP Railway

Spectra provided preliminary and final design services for the replacement of Pony Farm Road Bridge over the Canadian Pacific Railroad. The existing three-span structure was a concrete and steel thru girder bridge, approximately 120 feet long, built in 1933. The structure was in serious disrepair and was closed to traffic. Spectra designed a new bridge…
Read more

Walkway Over the Hudson

The Poughkeepsie-Highland Railroad Bridge was initially built in 1888 and at 6,767 feet in length, was the longest bridge in the world at that time. Work activities began in 2007 to convert the bridge into the world’s longest dedicated pedestrian bridge. This pedestrian pathway is known as the “Walkway Over the Hudson State Historic Park”…
Read more

Lake Mills Road Bridge

Spectra provided a ground penetrating radar investigation at Lake Mills Road Bridge in Greene County in order to evaluate the presence of reinforcement, the depth of concrete and asphalt, and any voids or deteriorated areas of the structure. To evaluate the bridge deck, Spectra used a high frequency ground-coupled radar antenna with a frequency of…
Read more