Munising Bay Mountain Bike Trailhead Project

Project Overview

Owner: City of Munising

This project consisted of the construction of a mountain bike trail for the Munising Bay Mountain Bike trail system. Arete’ Structures designed and supplied a 36ft x 6ft fiber reinforced polymer (FRP) bridge to help in connecting an existing parking lot to the existing mountain bike trail system. The bridge was built on a steep terrain and installed by Wuebben Construction of Dollar Bay Michigan. The bridge was completed in the fall of 2017.


FRP Bridge Design


  • 36ft length
  • 6ft width
  • 42 inch high railing
  • Pony Truss Design
  • Olive Green Color
  • Strongwell EXTREN 500 Fiberglass Reinforced Polymer (FRP) Structural Shape
  • 85 PSF Pedestrian Live Load
  • 70 PSF Ground Snow Load
  • AASHTO Guide Specifications for FRP pedestrian bridges
  • AASHTO LRFD Guide Specifications for pedestrian bridges
  • ASCE Pre-Standard for LRFD of Pultruded FRP Structures