The AASHTO Standard Specifications for Highway Bridges are the basic documents guiding all design. This manual contains specific design and detailing criteria policies expressed by the Bridge Bureau
In an effort to fully comply with Federal Code and with FHWA Guidelines, the Maintenance Bureau is required to conduct regular bridge inspection program compliance reviews.
Alabama’s older population – persons 60 years and older – numbers 769,880 according to
Census 2000, which is the most recent year for which U.S. Census Bureau data is available.
They represent 17.3 percent of Alabama’s total population...
Before defining what the aviation system should be, we must first understand what it is currently.
The Alabama Department of Transportation (ALDOT) Aeronautics Bureau selected 84 publicly owned, public use airports for inclusion in the existing...