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Garden Bridge Project

garden wooden bridge
How to build an Arched Garden Bridge
Page Contents
1: Introduction, navigation & wood sizes
2: The plans, parts and materials list
3: Making the laminated arch beam
4: Cutting the laminated arch boards
5: Assembling the bridge frame you are on this page
6: Adding the decking and the handrail
User Photos/Comments

Assembling the bridge frame

Step 5. Making the sides of the bridge

the side frames of the garden bridge

Rip (cut) a length of 90mm x 45mm x 2400mm (1 1/2" x 3 1/2" x 8ft) treated pine in half (lengthwise) to make two pieces 45mm x 45mm x 2400mm (1 1/2" x 1 1/2" x 8ft).
From that cut eight handrail uprights, each 600mm (2ft) long.

Make eight wood washers 90mm x 90mm x 19mm thick (3 1/2" x 3 1/2" x 3/4" thick).

Bolt the handrail uprights to the arch beams so that 4 uprights are spread evenly along each arch beam and so that each upright is at right angles to the arch beam.

Use the wood washers as well as metal washers and apply glue between the wood washers and the arch beams before tightening the nuts (see picture).

Drill and nail the handrail arch frames on top of the uprights. Secure each end with metal strap plates.

Note: This complete project (all the pages together in one handy pdf file,ad free) can be purchased online and downloaded immediately to your computer for only $5.  Grab here.

To view all available plans in downloadable pdf file click here.

arched garden bridge frame Step 6. Completing the bridge frame

Cut 3 spreaders 90mm x 45mm x 540mm long (1 1/2" x 3 1/2" x 21 1/2" long} and fix them between the side frames, one in between the middle of the arch beams and one near each end. Secure with metal strap brace. (see picture).

Nail 3 temporary spacers on top of the handrail arch frame to keep them parallel until the decking boards have been nailed in place.

Nail and glue the shoes to the underside of the arch beams, one at each end.

Nail a temporary brace from shoe to shoe, also until the decking boards have been nailed in place.