Factory direct Bailey bridge bracket bolts

"321" steel bridge is fabricated steel bridge road, its most important feature: member lightweight, easy accessibility, adaptability, can quickly built using simple tools and manpower. -10 Level for the automotive, automotive -15 level, car -20 level, track level -50, -80 level 5 kinds of trailer loads. Deck lane clear span 3.7m, may be within 9m to 63m range combined into a variety span simply - supported beam bridge, continuous beam bridge can be constructed. The bracket bolts are installed Bailey bridges are essential parts.