The Arlington Memorial Bridge is located in Washington DC which carries traffic over the Potomac River. The original structure used masonic decorative features which gives this bridge an iconic look.
The challenge was to rehabilitate the existing structure while maintaining the esthetics of the original design, and implement with current methods of modern construction.
The use of precast panels in Ductal® was intended to minimize construction duration and increase the service life by 75 years. This bridge is the capitals ceremonial entrance which had to make the construction phased to maintain limited traffic.
Challenge
Washington's DC most beautiful bridge utilized accelerated bridge construction to rehabilitate this 88 year old bridge while maintaining traffic during the 3 year construction process. Ductal® Infrastructure was applied in 2019 and 2020 during the two phases to connect precast panels over the main section approach slabs and basqule section. This construction method utilized full with panels and Ductal® was used in transverse joints.
Originally the initial sections of UHPC were batched on a barge, and delivered using cranes to set up sections on the newly rehabilitated deck to setup the batching plant as continuous work on each abutment prevented direct access.