Precast prestressed concrete rib deck sections were used for nearly all of the 248,748-sq ft (23109 sq m) superstructure of the Sandpoint Bridge over Lake Pend Oreille in Bonner County, Idaho. The 82 ft 10 in. (25.2 m) long main span consists of precast prestressed concrete box girders. The bridge spans 5896 ft 2 in. (1797.2 m) center-to-center of end bearings. Span lengths, measured center-to-center of bents and bearing centerlines at abutments, are as follows: 2 at 34 ft 7 in. (10.5 m); 152 at 35 ft (10.7 m); 25 at 17 ft (5.2 m); and 1 at 82 ft 10 in. (25.2 m). Although in many situations long span bridges are the most economical and aesthetically admirable choice for crossings over wide bodies of water, such was not the case for the Sandpoint Bridge. The selected design for this crossing is a 180-span structure with an entirely precast prestressed concrete superstructure supported on concrete-filled steel shell pile bents.

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  • Corporate Authors:

    Prestressed Concrete Institute

    20 North Wacker Drive
    Chicago, IL  United States  60606
  • Publication Date: 1984-3

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Filing Info

  • Accession Number: 00388862
  • Record Type: Publication
  • Source Agency: Engineering Index
  • Files: TRIS
  • Created Date: Nov 30 1984 12:00AM