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Wide Flange Steel I Beam: W16 × 26
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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Four Equal Spans » Wide Flange Steel I Beam » W16 × 26
Wide Flange Steel I Beam | Single Span | Two Equal Spans | Three Equal Spans | Four Equal Spans

For a simply supported beam in four equal spans, we compute the displacement at the middle of the first and fourth spans, and the maximum normal stress stress_max occuring at the second and fourth supports of the beam.
The tabulated data listed in this page are calculated based on the area moment of inertia (Ixx = 301 in4) for the W16 × 26 Wide Flange Steel I Beam and the typical Young's modulus (E = 3.046 × 107 psi) of steels. Note that the typical yielding stress Yield of steels can range from 1.015 × 104 to 2.970 × 105 psi. The purpose of this page is to give a rough estimation of the load-bearing capacity of this particular beam, rather than a guideline for designing actual building structures. Please check your local building codes for regulatory requirements.

Note: The weight of the beam itself is not included in the calculation.
L = 3 ft
L = 5 ft
L = 10 ft
L = 15 ft
L = 20 ft
L = 25 ft
L = 30 ft
L = 40 ft
L = 50 ft
L = 60 ft
L = 70 ft
L = 80 ft
L = 90 ft
L = 100 ft
L = 125 ft
L = 150 ft
   
Steel I Beam: W16 × 26 (Wide Flange 16 inch tall × 26 lbf/ft)
L = 3.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 2.50 × 10-6 7.84
30.0 2.89 × 10-6 9.04
40.0 3.85 × 10-6 12.1
50.0 4.81 × 10-6 15.1
60.0 5.77 × 10-6 18.1
70.0 6.73 × 10-6 21.1
80.0 7.69 × 10-6 24.1
90.0 8.66 × 10-6 27.1
100 9.62 × 10-6 30.1
200 1.92 × 10-5 60.3
300 2.89 × 10-5 90.4
400 3.85 × 10-5 121
500 4.81 × 10-5 151
600 5.77 × 10-5 181
700 6.73 × 10-5 211
800 7.69 × 10-5 241
900 8.66 × 10-5 271
1000 9.62 × 10-5 301
2000 1.92 × 10-4 603
3000 2.89 × 10-4 904
4000 3.85 × 10-4 1210
5000 4.81 × 10-4 1510
6000 5.77 × 10-4 1810
7000 6.73 × 10-4 2110
8000 7.69 × 10-4 2410
9000 8.66 × 10-4 2710
1.00 × 104 9.62 × 10-4 3010
2.00 × 104 0.00192 6030
3.00 × 104 0.00289 9040
4.00 × 104 0.00385 1.21 × 104
5.00 × 104 0.00481 1.51 × 104
6.00 × 104 0.00577 1.81 × 104
7.00 × 104 0.00673 2.11 × 104
8.00 × 104 0.00769 2.41 × 104
9.00 × 104 0.00866 2.71 × 104
1.00 × 105 0.00962 3.01 × 104
2.00 × 105 0.0192 6.03 × 104
3.00 × 105 0.0289 9.04 × 104
4.00 × 105 0.0385 1.21 × 105
5.00 × 105 0.0481 1.51 × 105
6.00 × 105 0.0577 1.81 × 105
7.00 × 105 0.0673 2.11 × 105
8.00 × 105 0.0769 2.41 × 105
9.00 × 105 0.0866 2.71 × 105
9.85 × 105 0.0948 2.97 × 105
Steel I Beam: W16 × 26 (Wide Flange 16 inch tall × 26 lbf/ft)
L = 5.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 1.93 × 10-5 21.8
30.0 2.23 × 10-5 25.1
40.0 2.97 × 10-5 33.5
50.0 3.71 × 10-5 41.9
60.0 4.45 × 10-5 50.2
70.0 5.20 × 10-5 58.6
80.0 5.94 × 10-5 67.0
90.0 6.68 × 10-5 75.4
100 7.42 × 10-5 83.7
200 1.48 × 10-4 167
300 2.23 × 10-4 251
400 2.97 × 10-4 335
500 3.71 × 10-4 419
600 4.45 × 10-4 502
700 5.20 × 10-4 586
800 5.94 × 10-4 670
900 6.68 × 10-4 754
1000 7.42 × 10-4 837
2000 0.00148 1670
3000 0.00223 2510
4000 0.00297 3350
5000 0.00371 4190
6000 0.00445 5020
7000 0.00520 5860
8000 0.00594 6700
9000 0.00668 7540
1.00 × 104 0.00742 8370
2.00 × 104 0.0148 1.67 × 104
3.00 × 104 0.0223 2.51 × 104
4.00 × 104 0.0297 3.35 × 104
5.00 × 104 0.0371 4.19 × 104
6.00 × 104 0.0445 5.02 × 104
7.00 × 104 0.0520 5.86 × 104
8.00 × 104 0.0594 6.70 × 104
9.00 × 104 0.0668 7.54 × 104
1.00 × 105 0.0742 8.37 × 104
2.00 × 105 0.148 1.67 × 105
3.00 × 105 0.223 2.51 × 105
3.55 × 105 0.263 2.97 × 105
Steel I Beam: W16 × 26 (Wide Flange 16 inch tall × 26 lbf/ft)
L = 10.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 3.09 × 10-4 87.1
30.0 3.56 × 10-4 100
40.0 4.75 × 10-4 134
50.0 5.94 × 10-4 167
60.0 7.12 × 10-4 201
70.0 8.31 × 10-4 234
80.0 9.50 × 10-4 268
90.0 0.00107 301
100 0.00119 335
200 0.00237 670
300 0.00356 1000
400 0.00475 1340
500 0.00594 1670
600 0.00712 2010
700 0.00831 2340
800 0.00950 2680
900 0.0107 3010
1000 0.0119 3350
2000 0.0237 6700
3000 0.0356 1.00 × 104
4000 0.0475 1.34 × 104
5000 0.0594 1.67 × 104
6000 0.0712 2.01 × 104
7000 0.0831 2.34 × 104
8000 0.0950 2.68 × 104
9000 0.107 3.01 × 104
1.00 × 104 0.119 3.35 × 104
2.00 × 104 0.237 6.70 × 104
3.00 × 104 0.356 1.00 × 105
4.00 × 104 0.475 1.34 × 105
5.00 × 104 0.594 1.67 × 105
6.00 × 104 0.712 2.01 × 105
7.00 × 104 0.831 2.34 × 105
8.00 × 104 0.950 2.68 × 105
8.87 × 104 1.05 2.97 × 105
Steel I Beam: W16 × 26 (Wide Flange 16 inch tall × 26 lbf/ft)
L = 15.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 0.00156 196
30.0 0.00180 226
40.0 0.00240 301
50.0 0.00301 377
60.0 0.00361 452
70.0 0.00421 528
80.0 0.00481 603
90.0 0.00541 678
100 0.00601 754
200 0.0120 1510
300 0.0180 2260
400 0.0240 3010
500 0.0301 3770
600 0.0361 4520
700 0.0421 5280
800 0.0481 6030
900 0.0541 6780
1000 0.0601 7540
2000 0.120 1.51 × 104
3000 0.180 2.26 × 104
4000 0.240 3.01 × 104
5000 0.301 3.77 × 104
6000 0.361 4.52 × 104
7000 0.421 5.28 × 104
8000 0.481 6.03 × 104
9000 0.541 6.78 × 104
1.00 × 104 0.601 7.54 × 104
2.00 × 104 1.20 1.51 × 105
3.00 × 104 1.80 2.26 × 105
3.94 × 104 2.37 2.97 × 105
Steel I Beam: W16 × 26 (Wide Flange 16 inch tall × 26 lbf/ft)
L = 20.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 0.00494 348
30.0 0.00570 402
40.0 0.00760 536
50.0 0.00950 670
60.0 0.0114 804
70.0 0.0133 938
80.0 0.0152 1070
90.0 0.0171 1210
100 0.0190 1340
200 0.0380 2680
300 0.0570 4020
400 0.0760 5360
500 0.0950 6700
600 0.114 8040
700 0.133 9380
800 0.152 1.07 × 104
900 0.171 1.21 × 104
1000 0.190 1.34 × 104
2000 0.380 2.68 × 104
3000 0.570 4.02 × 104
4000 0.760 5.36 × 104
5000 0.950 6.70 × 104
6000 1.14 8.04 × 104
7000 1.33 9.38 × 104
8000 1.52 1.07 × 105
9000 1.71 1.21 × 105
1.00 × 104 1.90 1.34 × 105
2.00 × 104 3.80 2.68 × 105
2.22 × 104 4.21 2.97 × 105
Steel I Beam: W16 × 26 (Wide Flange 16 inch tall × 26 lbf/ft)
L = 25.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 0.0121 544
30.0 0.0139 628
40.0 0.0186 837
50.0 0.0232 1050
60.0 0.0278 1260
70.0 0.0325 1470
80.0 0.0371 1670
90.0 0.0417 1880
100 0.0464 2090
200 0.0928 4190
300 0.139 6280
400 0.186 8370
500 0.232 1.05 × 104
600 0.278 1.26 × 104
700 0.325 1.47 × 104
800 0.371 1.67 × 104
900 0.417 1.88 × 104
1000 0.464 2.09 × 104
2000 0.928 4.19 × 104
3000 1.39 6.28 × 104
4000 1.86 8.37 × 104
5000 2.32 1.05 × 105
6000 2.78 1.26 × 105
7000 3.25 1.47 × 105
8000 3.71 1.67 × 105
9000 4.17 1.88 × 105
1.00 × 104 4.64 2.09 × 105
1.42 × 104 6.58 2.97 × 105
Steel I Beam: W16 × 26 (Wide Flange 16 inch tall × 26 lbf/ft)
L = 30.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 0.0250 784
30.0 0.0289 904
40.0 0.0385 1210
50.0 0.0481 1510
60.0 0.0577 1810
70.0 0.0673 2110
80.0 0.0769 2410
90.0 0.0866 2710
100 0.0962 3010
200 0.192 6030
300 0.289 9040
400 0.385 1.21 × 104
500 0.481 1.51 × 104
600 0.577 1.81 × 104
700 0.673 2.11 × 104
800 0.769 2.41 × 104
900 0.866 2.71 × 104
1000 0.962 3.01 × 104
2000 1.92 6.03 × 104
3000 2.89 9.04 × 104
4000 3.85 1.21 × 105
5000 4.81 1.51 × 105
6000 5.77 1.81 × 105
7000 6.73 2.11 × 105
8000 7.69 2.41 × 105
9000 8.66 2.71 × 105
9850 9.48 2.97 × 105
Steel I Beam: W16 × 26 (Wide Flange 16 inch tall × 26 lbf/ft)
L = 40.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 0.0790 1390
30.0 0.0912 1610
40.0 0.122 2140
50.0 0.152 2680
60.0 0.182 3220
70.0 0.213 3750
80.0 0.243 4290
90.0 0.274 4820
100 0.304 5360
200 0.608 1.07 × 104
300 0.912 1.61 × 104
400 1.22 2.14 × 104
500 1.52 2.68 × 104
600 1.82 3.22 × 104
700 2.13 3.75 × 104
800 2.43 4.29 × 104
900 2.74 4.82 × 104
1000 3.04 5.36 × 104
2000 6.08 1.07 × 105
3000 9.12 1.61 × 105
4000 12.2 2.14 × 105
5000 15.2 2.68 × 105
5540 16.8 2.97 × 105
Steel I Beam: W16 × 26 (Wide Flange 16 inch tall × 26 lbf/ft)
L = 50.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 0.193 2180
30.0 0.223 2510
40.0 0.297 3350
50.0 0.371 4190
60.0 0.445 5020
70.0 0.520 5860
80.0 0.594 6700
90.0 0.668 7540
100 0.742 8370
200 1.48 1.67 × 104
300 2.23 2.51 × 104
400 2.97 3.35 × 104
500 3.71 4.19 × 104
600 4.45 5.02 × 104
700 5.20 5.86 × 104
800 5.94 6.70 × 104
900 6.68 7.54 × 104
1000 7.42 8.37 × 104
2000 14.8 1.67 × 105
2110 15.7 1.77 × 105
Steel I Beam: W16 × 26 (Wide Flange 16 inch tall × 26 lbf/ft)
L = 60.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 0.400 3140
30.0 0.462 3620
40.0 0.616 4820
50.0 0.769 6030
60.0 0.923 7240
70.0 1.08 8440
80.0 1.23 9650
90.0 1.39 1.09 × 104
100 1.54 1.21 × 104
200 3.08 2.41 × 104
300 4.62 3.62 × 104
400 6.16 4.82 × 104
500 7.69 6.03 × 104
600 9.23 7.24 × 104
700 10.8 8.44 × 104
800 12.3 9.65 × 104
900 13.9 1.09 × 105
1000 15.4 1.21 × 105
1020 15.7 1.23 × 105
Steel I Beam: W16 × 26 (Wide Flange 16 inch tall × 26 lbf/ft)
L = 70.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 0.741 4270
30.0 0.855 4920
40.0 1.14 6570
50.0 1.43 8210
60.0 1.71 9850
70.0 2.00 1.15 × 104
80.0 2.28 1.31 × 104
90.0 2.57 1.48 × 104
100 2.85 1.64 × 104
200 5.70 3.28 × 104
300 8.55 4.92 × 104
400 11.4 6.57 × 104
500 14.3 8.21 × 104
550 15.7 9.03 × 104
Steel I Beam: W16 × 26 (Wide Flange 16 inch tall × 26 lbf/ft)
L = 80.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 1.26 5570
30.0 1.46 6430
40.0 1.95 8580
50.0 2.43 1.07 × 104
60.0 2.92 1.29 × 104
70.0 3.40 1.50 × 104
80.0 3.89 1.72 × 104
90.0 4.38 1.93 × 104
100 4.86 2.14 × 104
200 9.73 4.29 × 104
300 14.6 6.43 × 104
323 15.7 6.92 × 104
Steel I Beam: W16 × 26 (Wide Flange 16 inch tall × 26 lbf/ft)
L = 90.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 2.03 7050
30.0 2.34 8140
40.0 3.12 1.09 × 104
50.0 3.90 1.36 × 104
60.0 4.67 1.63 × 104
70.0 5.45 1.90 × 104
80.0 6.23 2.17 × 104
90.0 7.01 2.44 × 104
100 7.79 2.71 × 104
200 15.6 5.43 × 104
201 15.7 5.46 × 104
Steel I Beam: W16 × 26 (Wide Flange 16 inch tall × 26 lbf/ft)
L = 100 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 3.09 8710
30.0 3.56 1.00 × 104
40.0 4.75 1.34 × 104
50.0 5.94 1.67 × 104
60.0 7.12 2.01 × 104
70.0 8.31 2.34 × 104
80.0 9.50 2.68 × 104
90.0 10.7 3.01 × 104
100 11.9 3.35 × 104
132 15.7 4.43 × 104
Steel I Beam: W16 × 26 (Wide Flange 16 inch tall × 26 lbf/ft)
L = 125 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 7.54 1.36 × 104
30.0 8.70 1.57 × 104
40.0 11.6 2.09 × 104
50.0 14.5 2.62 × 104
54.1 15.7 2.83 × 104
Steel I Beam: W16 × 26 (Wide Flange 16 inch tall × 26 lbf/ft)
L = 150 ft
P (lbf/ft) w_max (in) stress_max (psi)
26.0 15.6 1.96 × 104
26.1 15.7 1.97 × 104
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