Structural Health Monitoring of the Tech 21 All-Composite Vehicular Bridge

Ohio’s first all-composite bridge, christened the Tech 21 Bridge, was installed on Smith Road in Butler County in July 1997. The bridge superstructure is made entirely of continuous E-glass reinforcement in a polyester matrix. The two-lane vehicular bridge is 10.1 m long, 7.3 m wide and satisfies all pertinent American Association of State Highway Transportation Officials’ (AASHTO) design Specifications. The resulting bridge design, based on the HS20-44 Standard Truck Load and maximum live load deflection of L/800, is stiffness critical and has a surplus factor of safety in strength. Finite-element analysis (FEA) was utilized to verify the strength and deflection performance, and to determine the stress distribution throughout the bridge superstructure.


  • English

Media Info

  • Media Type: Web
  • Edition: Final Report
  • Features: Bibliography; Figures; Tables;
  • Pagination: 132p

Subject/Index Terms

Filing Info

  • Accession Number: 01155825
  • Record Type: Publication
  • Report/Paper Numbers: FHWA/OH-2003/020
  • Contract Numbers: State Job No. 14716(0)
  • Created Date: Apr 29 2010 1:30PM