Tag: bridge infrastructure

Roadbuilding
2019 Bridge Inventory: States struggle to keep up with deteriorating bridges
With few exceptions, states are losing the battle with aging bridges in need of repair or replacement. Even states with low percentages of bridges rated poor are finding it difficult to keep up with bridge and road systems that in many cases are 50 years old or older. Utah, which ranks fourth for the lowest […]
November 11, 2019
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Roadbuilding
Iowa’s Jesup Bridge: From beginning to end
Buchanan County Secondary Roads plans to replace the bridge on V-65 south of Jesup, Iowa. The bridge will be replaced as part of a demonstration project using a new design software program developed by the Short Span Steel Bridge Alliance (SSSBA). Called eSPAN140, the design software is developed to provide a more economical manner […]
February 14, 2014
As a part of his work with eSPAN140 and the Bridge Technology Center, Dr. Karl Barth, West Virginia University, set in place measurement tools just before the deck pour on Oct. 24. The purpose is to monitor major axis bending and lateral flange bending during the placement of the concrete deck.
Roadbuilding
SNEAK PEEK at the 2013 Bridge Inventory: What causes the most damage to bridges?
Every year, Better Roads conducts a survey on the state of the nation’s bridges. The survey has been conducted since 1979. Bridge engineers from every state and Washington, D.C., are sent a survey with both qualitative and quantitative questions to determine the percentage of structurally deficient (SD) and functionally obsolete (FO) by state, by total […]
November 5, 2013
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Roadbuilding
Road Science
Nanotech era draws closer.
October 4, 2011
Nanoscale crystal seeds speed up concrete hardening. BASF’s X-Seed hardening accelerator makes additional heat superfluous and the concrete is particularly strong and durable. Magnification 960:1 (by 12 cm in width).
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