Instrumentation and Monitoring
Emergency Evaluation of Seattle’s West Seattle High Bridge
When rapid crack growth forced the closure of the West Seattle High Bridge in 2020, the Seattle Department of Transportation (SDOT) engaged BDI to evaluate the structure and support repair efforts. As the primary connection between West Seattle and the rest of the city, the bridge carries significant traffic volumes and serves as a critical…
Read MoreMonitoring of Joint and Bearing Performance
BDI partnered with the Virginia Department of Transportation (VDOT) to monitor joint and bearing performance on a critical transportation route in Virginia. The team set out to quantify abutment and superstructure movements while evaluating how the bridge bearings performed under everyday traffic and environmental conditions. To collect this data, BDI designed and deployed a customized…
Read MoreMid-Centre County Wastewater Treatment Plant – Structural Monitoring and Nondestructive Evaluation
Project Description As part of Herbert, Rowland & Grubic, Inc.’s evaluation of cracking observed at the Mid-Centre County Wastewater Treatment Plant (WWTP), BDI was requested to help the evaluation process by monitoring key areas of the facility during operational and seasonal periods to aid in identifying the root cause of the deterioration found on site.…
Read MoreWanapum/Priest Rapids Automation
Wanapum Dam and Priest Rapids Dam, located on the Columbia River in central Washington, are hydroelectric dams which have operated since 1963 and 1961, respectively. The structures play a crucial role in the region’s power generation, along with supporting irrigation, recreation, and fish passage. Both dams are owned and operated by the Grant County Public…
Read MoreThe Pearl Harbor Memorial Bridge
The Pearl Harbor Memorial Bridge (Q Bridge) is a twin extradosed structure carrying Interstate 95 over the Quinnipiac River in New Haven, Connecticut. Since its opening in 2012, inspectors have noticed cracking in several areas of the bridge, including the tops of the prestressed concrete box girders, the faces of the cable-stay towers, and near cable anchorages at…
Read MoreProtecting a Medical Facility During Adjacent Construction
During a major construction project adjacent to the Oxford House at Vanderbilt University Medical Center (VUMC), excavation activities raised concerns about potential impacts on the structural integrity of the building. To proactively address these concerns, construction contractor Robins & Morton engaged BDI to implement a real-time monitoring program designed to ensure the safety of the facility and its occupants throughout…
Read MoreMonitoring the Sunshine Skyway Bridge
Carrying I-275 over Tampa Bay, the Bob Graham Sunshine Skyway Bridge is a cable-stayed structure that plays a vital role in Florida’s transportation network. To support long-term performance monitoring and asset management, the Florida Department of Transportation (FDOT) contracted BDI to install a structural health monitoring system focused on capturing vibration behavior of the bridge.…
Read MoreNorris Bridge Rehabilitation
The Robert O. Norris, Jr. Bridge is slated for replacement beginning in 2028. In the interim, critical repairs are underway to ensure the bridge continues to safely serve the surrounding communities. These repairs are scheduled for completion by September 2026. BDI is proud to support the Virginia Department of Transportation (VDOT) in this important effort.…
Read MoreEvaluating the Newark Airport Monorail Guideway
As part of the evaluation of the Newark Airport Monorail Guideway, BDI completed live-load testing, deflection modeling, and a 90-day continuous monitoring program to assess how the guideway was performing under real-world operating conditions. Instrumentation was installed at three representative sections of the guideway, with sensors placed on both the track girders and supporting piers.…
Read MoreEmergency Monitoring of Bridge Closed Due to Settlement
BDI was engaged by the Virginia Department of Transportation (VDOT) to support emergency monitoring efforts at the Route 644 bridge over the Meherrin River in Brunswick County, VA. The bridge had been closed due to settlement at its central pier, possibly due to scour, which prompted the need for real-time tracking of structural movement during…
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