HPC Spans San Francisco Bay
The Skyway section of the East Span of the San Francisco-Oakland Bay Bridge consists of twin, parallel viaducts. The superstructure includes a total of 452 precast, post-tensioned units that are constructed with high performance concrete designed to provide a service life of at least 150 years.     Full Article>

Hood Canal Bridge West-Half Retrofit and East-Half Replacement
The Hood Canal Bridge provides an important link between the Olympic and Kitsap Peninsulas in northwestern Washington State. The bridge is the longest floating bridge over saltwater in the world and has a movable 600-ft (183-m) wide draw span that provides access for marine traffic vital to national security. Extensive use of prestressed concrete and high performance materials are required to withstand the large tidal fluctuations, strong winds, and wave action of Hood Canal’s harsh marine environment.     Full Article>

North Avenue Bridge Reconstruction – A Modern High Performance Structure
The new North Avenue Bridge in Chicago is a $25 million, suspension and cable-stayed hybrid bridge with high performance concrete in the post-tensioned deck and longitudinal beams as well as in the exposed portion of the gravitational anchor blocks. The center span of the bridge was cast on barges, floated across the river, and lifted into place.     Full Article>