Lake Johnson Cedar Rail FRP Bridge

In February 2022 Areté Structures supplied a twenty-four foot by six-foot FRP Stringer Bridge with FRP Safplank Decking and FRP steps.  Areté Structures predrilled holes for attachment of the customer supplied custom cedar railing.  The bridge was purchased by Nature Trails of Chapel Hill North Carolina and installed at the Lake Johnson Park in Raleigh North Carolina.  Lake Johnson is a metro park and nature preserve that has paved greenway as well as natural surface trails, fishing, boat rentals and many other recreational amenities. 


  • Allowable Stress Design Method (ASD) Safety Factor of 3
  • Pedestrian Live Load 85 PSF
  • Wind Load 35 PSF
  • Snow Load 40 PSF


  • Bridge Design FRP I-Beam Stringer Design
  • FRP Structural Shapes Strongwell EXTREN® 525 Series
  • Truss Hardware Hot-Dipped Galvanized ASTM
    A307 Steel Hardware
  • Standard Color Slate Gray
  • FRP Decking – 24” Safplank FRP Non-Skid Decking
  • 6” Steps on both ends of the bridge with FRP Safplank Decking