Page 276 - Bridge and Highway Structure Rehabilitation and Repair

CHAPTER 6 APPLICATIONS OF BRIDGE DESIGN AND RATING METHODS 251

Table 6.7 Lane loads of 0.64 kips/ft (418 kips concentrated load for
moment and 26 kips for shear) in lieu of H-20 truck.
Max. Lane Mid- Governing Governing
Span Length span Moment Moment Shear Force
(Feet) (Kip-Ft) (Kip-Ft) (Kips)
Small spans
20 122 147.92 32.4
22 137.72 167.56 33.04

24 154.08 187.27 33.68
26 171.08 207.02 34.32
28 188.72 226.8 34.96
30 207 246.61 35.6
32 225.92 266.45 36.24

34 245.48 286.31 36.88
36 265.68 306.18 37.52
38 286.52 326.06 38.16
40 308 345.96 38.8

Medium spans
42 330.12 365.87 39.44
45 364.5 395.74 40.4
50 425 445.57 42

55 489.5 495.43 43.6
60 558 558 45.2
65 630.5 630.5 46.8
70 707 707 48.4

75 787.5 787.5 50
80 872 872 51.6
85 960.5 960.5 53.2
90 1053 1053 54.8

95 1149.5 1149.5 56.4
100 1250 1250 58
105 1354.5 1354.5 59.6
110 1463 1463 61.2

115 1575.5 1575.5 62.8
120 1692 1692 64.4