Table 2: Weights of the bridge elements.

i Element Weights (Wi)
1 Wing wall 1
2 Conical slope 1
3 Abutment 23
4 Pier 24
5 Foundation 8
6 Bearing 3
7 Major load-bearing elements (e.g., beam, girder) 20
8 Minor load-bearing elements (e.g., hinge joint, diaphragm, wet joint) 5
9 Bridge deck pavement 1
10 Transition slab at bridge head 3
11 Expansion joints 3
12 Sidewalk 1
13 Guardrail 1
14 Highway signs 1
15 Drainage 1
16 Regulating structure 3
17 Others 1