Among the topics are the cable-stayed bridge across the River Sava in Belgrade, incorporating climate change predictions in the hydraulic analysis of bridges, new tools for inspecting gusset plates, deck truss
bearing rehabilitation for the Benjamin Franklin Bridge, the rapid replacement of bridges using modular systems, identifying and sharing best practices in bridge maintenance and management, and examining the forms of Hudson River bridges.
Phase II is cleaning and painting the suspension towers, spot painting the remainder of the suspension span and zone painting the deck truss
The structure consisted of two back-to-back suspension spans, a tunnel on Yerba Buena Island, a cantilevered truss span, and several through and deck truss
Defects found in support THE single 2cm crack which alerted engineers was found in the bridge's main southbound deck truss
miles Width of Pedestrian/Bicycle Path 12 feet; bi-directional travel Vertical Clearance of the Bridge 138 feet Type of Construction Deck truss
Project Cost $50 million to seismically retrofit the bridge and add the pedestrian/bicycle path Construction Funding Regional Measure 1 funds: 77% Federal funds: 21% State funds: 2% Seismic Safety A "Lifeline" structure designed to remain in service following a maximum credible earthquake.
But the study concluded that "fatigue cracking of the deck truss
is not likely" and that replacement of the bridge "may be deferred.
NTSB claims that the bridge's collapse was the result of the under-design of certain gusset plates (metal plates used to connect structural members of a truss and hold them in position at a joint) at six nodes of the deck truss
But a hands-on inspection of Oregon's 47 steel deck truss
bridges prudently ordered by Gov.
Old bridge structures with combinations of high truss, deck truss
and girders provide substrata for a variety of epifaunal organisms including barnacles, mussels and hydroids.
The 27 in the state that were built with the steel deck truss
design of the failed Minnesota bridge will get a closer look under a federal alert issued on Thursday.
The two Virginia bridges set for inspection are the Route 3 Bridge, a two-mile bridge built in 1953 over the Rappahannock River, and the Boulevard Bridge, a steel deck truss
bridge built in 1923 over the James River.
The triangular elements, which make up the deck truss
, can also be bonded into square or rectangular arrays to form box beams or columns.