BDI is an industry leader in advanced methods for concrete deck evaluation, using technologies such as High-Resolution Imaging and BDI’s proprietary SounDAR system to perform deck evaluations with efficiency and accuracy. BDI was engaged by the Louisiana Department of Transportation and Development (LADOTD) to perform a nondestructive evaluation (NDE) of four structures carrying I-10 over…
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Anna Maria Island (Manatee Ave.) Bridge connects the mainland city of Bradenton, FL to Anna Maria Island. This double-leaf bascule drawbridge, built in 1957, makes frequent openings due to the structure’s low clearance. While the bridge has been slated for replacement, due to its low clearance, narrow lanes, and older design, there is no established…
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The Salmon Bay Bridge is a single-leaf bascule and steel truss bridge that carries two tracks of the BNSF Railroad between Magnolia and Ballard in Seattle, WA. Built in 1912, it has served as a vital component of Seattle’s rail and waterway infrastructure for over a century. Today, the bridge accommodates approximately 30–40 train crossings…
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Supporting Safe Heavy Transport for BMW Spartanburg Expansion In support of Barnhart Crane & Rigging’s (BCR) 2023 transport operations to the BMW Spartanburg Plant in Greer, South Carolina, BDI was engaged to provide structural evaluation services critical to the transport permitting process. BCR’s project involved hauling superheavy equipment with gross vehicle weights ranging from 746…
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Big Creek Dams 5 and 6 impound water along Big Creek near Big Creek, California and were constructed in 1921 and 1923, respectively. New increases to minimum instream flows (MIF) require increasing the diameter of existing MIF conduits through the dams. The dam owner contracted a consultant to design the larger MIF conduits and associated…
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Big Creek Dams 5 and 6 impound water along Big Creek near Big Creek, California and were constructed in 1921 and 1923, respectively. New increases to minimum instream flows (MIF) require increasing the diameter of existing MIF conduits through the dams. The dam owner contracted a consultant to design the larger MIF conduits and associated…
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The I-10 Bonnet Carre Spillway Bridges are twin bridges carrying I-10 EB and WB over the Bonnet Carre Spillway and Lake Pontchartrain. The bridges, completed in 1972, are each 11 miles long. The superstructures are comprised of prestressed concrete girder and steel girder spans with reinforced concrete deck. The substructures are comprised of primarily reinforced…
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The Colorado Department of Transportation (CDOT) required updated load ratings for a series of off-system bridges. In collaboration with Benesch Engineering, BDI conducted load ratings for 36 prestressed concrete bridges in accordance with AASHTO LRFR and CDOT rating specifications. Using AASHTOWare Bridge Rating (BrR) software, BDI delivered efficient and accurate analyses, supporting CDOT’s efforts to…
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Charlotte Douglas International Airport (CLT) is undergoing a major expansion with the addition of a fourth parallel runway. Scheduled to open in 2027, the new 10,000-foot runway is designed to accommodate increasing passenger traffic and enhance operational efficiency. To support their research on pavement performance, the University of North Carolina at Charlotte (UNC Charlotte) partnered…
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The DeCordova Bend Dam forms the Lake Granbury Reservoir on the Brazos River southeast of Granbury, TX and was constructed between 1966 and 1969. In conjunction with other consultants, BDI performed concrete material sampling and a nondestructive evaluation (NDE) at select portions of the dam to facilitate operational and structural improvements to the dam. A…
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