Articles Tagged with ''Highway/Bridge''

A high volume of transportation infrastructure work is keeping companies such as HNTB busy in Jacksonville, driven by an influx of new residents, says George Gilhooley, east Florida office leader for the infrastructure design firm.

Transportation agencies tackle the state’s largest infrastructure investment to relieve traffic as the region’s population grows.

Extensive collaboration with multiple agencies and communities helped bring a complex highway and bridge job to fruition.

Speed was of the essence when contractors and engineers were called upon to perform emergency repairs of a damaged I-10 overpass in Lafayette, La.

The $34-million Kake Access Road project provides improved access to the remote Tongass National Forest on Kupreanof Island in southeast Alaska. The road also provides year-round surface transportation between the community of Kake and a new boat launch on the eastern shore of the island.

Delivered on an accelerated schedule, the new 178-ft-long bridge supported on 13 precast pretensioned box girders alleviates long-standing congestion issues caused by the previous at-grade crossing and a nearby train switching yard.

One of the state’s busiest exits was upgraded to handle higher traffic volumes via a two-part project that combined structural rehabilitation of underpass bridges, ramp realignment, mainline reconstruction and replacement of an existing toll plaza with open-road tolling technology.

This exceedingly complex and challenging project provided a 75-year design life for the structurally deficient critical link between the city of Chelsea, Mass., its northern suburbs and Boston.

First conceived in the 1970s, the new 3.8-mile limited access bypass has improved safety, capacity and reliability while also setting the stage for transformation of Hillsborough’s business district.

Teamwork, communication and coordination were imperative to safely complete work at 60 construction sites along the 450-mile New York State Thruway within a 14-month construction window.