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Wide Flange Steel I Beam: W16 × 57
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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Single Span » Wide Flange Steel I Beam » W16 × 57
Wide Flange Steel I Beam | Single Span | Two Equal Spans | Three Equal Spans | Four Equal Spans

For a simply supported beam in a single span, the maximum displacement w_max and the maximum normal stress stress_max occur at the center of the beam.
The tabulated data listed in this page are calculated based on the area moment of inertia (Ixx = 758 in4) for the W16 × 57 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
  
Steel I Beam: W16 × 57 (Wide Flange 16 inch tall × 57 lbf/ft)
L = 3.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
57.0 4.50 × 10-6 8.34
60.0 4.74 × 10-6 8.78
70.0 5.53 × 10-6 10.2
80.0 6.32 × 10-6 11.7
90.0 7.10 × 10-6 13.2
100 7.89 × 10-6 14.6
200 1.58 × 10-5 29.3
300 2.37 × 10-5 43.9
400 3.16 × 10-5 58.5
500 3.95 × 10-5 73.2
600 4.74 × 10-5 87.8
700 5.53 × 10-5 102
800 6.32 × 10-5 117
900 7.10 × 10-5 132
1000 7.89 × 10-5 146
2000 1.58 × 10-4 293
3000 2.37 × 10-4 439
4000 3.16 × 10-4 585
5000 3.95 × 10-4 732
6000 4.74 × 10-4 878
7000 5.53 × 10-4 1020
8000 6.32 × 10-4 1170
9000 7.10 × 10-4 1320
1.00 × 104 7.89 × 10-4 1460
2.00 × 104 0.00158 2930
3.00 × 104 0.00237 4390
4.00 × 104 0.00316 5850
5.00 × 104 0.00395 7320
6.00 × 104 0.00474 8780
7.00 × 104 0.00553 1.02 × 104
8.00 × 104 0.00632 1.17 × 104
9.00 × 104 0.00710 1.32 × 104
1.00 × 105 0.00789 1.46 × 104
2.00 × 105 0.0158 2.93 × 104
3.00 × 105 0.0237 4.39 × 104
4.00 × 105 0.0316 5.85 × 104
5.00 × 105 0.0395 7.32 × 104
6.00 × 105 0.0474 8.78 × 104
7.00 × 105 0.0553 1.02 × 105
8.00 × 105 0.0632 1.17 × 105
9.00 × 105 0.0710 1.32 × 105
1.00 × 106 0.0789 1.46 × 105
2.00 × 106 0.158 2.93 × 105
2.03 × 106 0.160 2.97 × 105
Steel I Beam: W16 × 57 (Wide Flange 16 inch tall × 57 lbf/ft)
L = 5.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
57.0 3.47 × 10-5 23.2
60.0 3.65 × 10-5 24.4
70.0 4.26 × 10-5 28.4
80.0 4.87 × 10-5 32.5
90.0 5.48 × 10-5 36.6
100 6.09 × 10-5 40.6
200 1.22 × 10-4 81.3
300 1.83 × 10-4 122
400 2.44 × 10-4 163
500 3.05 × 10-4 203
600 3.65 × 10-4 244
700 4.26 × 10-4 284
800 4.87 × 10-4 325
900 5.48 × 10-4 366
1000 6.09 × 10-4 406
2000 0.00122 813
3000 0.00183 1220
4000 0.00244 1630
5000 0.00305 2030
6000 0.00365 2440
7000 0.00426 2840
8000 0.00487 3250
9000 0.00548 3660
1.00 × 104 0.00609 4060
2.00 × 104 0.0122 8130
3.00 × 104 0.0183 1.22 × 104
4.00 × 104 0.0244 1.63 × 104
5.00 × 104 0.0305 2.03 × 104
6.00 × 104 0.0365 2.44 × 104
7.00 × 104 0.0426 2.84 × 104
8.00 × 104 0.0487 3.25 × 104
9.00 × 104 0.0548 3.66 × 104
1.00 × 105 0.0609 4.06 × 104
2.00 × 105 0.122 8.13 × 104
3.00 × 105 0.183 1.22 × 105
4.00 × 105 0.244 1.63 × 105
5.00 × 105 0.305 2.03 × 105
6.00 × 105 0.365 2.44 × 105
7.00 × 105 0.426 2.84 × 105
7.31 × 105 0.445 2.97 × 105
Steel I Beam: W16 × 57 (Wide Flange 16 inch tall × 57 lbf/ft)
L = 10.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
57.0 5.56 × 10-4 92.7
60.0 5.85 × 10-4 97.5
70.0 6.82 × 10-4 114
80.0 7.80 × 10-4 130
90.0 8.77 × 10-4 146
100 9.75 × 10-4 163
200 0.00195 325
300 0.00292 488
400 0.00390 650
500 0.00487 813
600 0.00585 975
700 0.00682 1140
800 0.00780 1300
900 0.00877 1460
1000 0.00975 1630
2000 0.0195 3250
3000 0.0292 4880
4000 0.0390 6500
5000 0.0487 8130
6000 0.0585 9750
7000 0.0682 1.14 × 104
8000 0.0780 1.30 × 104
9000 0.0877 1.46 × 104
1.00 × 104 0.0975 1.63 × 104
2.00 × 104 0.195 3.25 × 104
3.00 × 104 0.292 4.88 × 104
4.00 × 104 0.390 6.50 × 104
5.00 × 104 0.487 8.13 × 104
6.00 × 104 0.585 9.75 × 104
7.00 × 104 0.682 1.14 × 105
8.00 × 104 0.780 1.30 × 105
9.00 × 104 0.877 1.46 × 105
1.00 × 105 0.975 1.63 × 105
1.83 × 105 1.78 2.97 × 105
Steel I Beam: W16 × 57 (Wide Flange 16 inch tall × 57 lbf/ft)
L = 15.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
57.0 0.00281 208
60.0 0.00296 219
70.0 0.00345 256
80.0 0.00395 293
90.0 0.00444 329
100 0.00493 366
200 0.00987 732
300 0.0148 1100
400 0.0197 1460
500 0.0247 1830
600 0.0296 2190
700 0.0345 2560
800 0.0395 2930
900 0.0444 3290
1000 0.0493 3660
2000 0.0987 7320
3000 0.148 1.10 × 104
4000 0.197 1.46 × 104
5000 0.247 1.83 × 104
6000 0.296 2.19 × 104
7000 0.345 2.56 × 104
8000 0.395 2.93 × 104
9000 0.444 3.29 × 104
1.00 × 104 0.493 3.66 × 104
2.00 × 104 0.987 7.32 × 104
3.00 × 104 1.48 1.10 × 105
4.00 × 104 1.97 1.46 × 105
5.00 × 104 2.47 1.83 × 105
6.00 × 104 2.96 2.19 × 105
7.00 × 104 3.45 2.56 × 105
8.00 × 104 3.95 2.93 × 105
8.12 × 104 4.01 2.97 × 105
Steel I Beam: W16 × 57 (Wide Flange 16 inch tall × 57 lbf/ft)
L = 20.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
57.0 0.00889 371
60.0 0.00936 390
70.0 0.0109 455
80.0 0.0125 520
90.0 0.0140 585
100 0.0156 650
200 0.0312 1300
300 0.0468 1950
400 0.0624 2600
500 0.0780 3250
600 0.0936 3900
700 0.109 4550
800 0.125 5200
900 0.140 5850
1000 0.156 6500
2000 0.312 1.30 × 104
3000 0.468 1.95 × 104
4000 0.624 2.60 × 104
5000 0.780 3.25 × 104
6000 0.936 3.90 × 104
7000 1.09 4.55 × 104
8000 1.25 5.20 × 104
9000 1.40 5.85 × 104
1.00 × 104 1.56 6.50 × 104
2.00 × 104 3.12 1.30 × 105
3.00 × 104 4.68 1.95 × 105
4.00 × 104 6.24 2.60 × 105
4.57 × 104 7.12 2.97 × 105
Steel I Beam: W16 × 57 (Wide Flange 16 inch tall × 57 lbf/ft)
L = 25.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
57.0 0.0217 579
60.0 0.0228 610
70.0 0.0266 711
80.0 0.0305 813
90.0 0.0343 914
100 0.0381 1020
200 0.0761 2030
300 0.114 3050
400 0.152 4060
500 0.190 5080
600 0.228 6100
700 0.266 7110
800 0.305 8130
900 0.343 9140
1000 0.381 1.02 × 104
2000 0.761 2.03 × 104
3000 1.14 3.05 × 104
4000 1.52 4.06 × 104
5000 1.90 5.08 × 104
6000 2.28 6.10 × 104
7000 2.66 7.11 × 104
8000 3.05 8.13 × 104
9000 3.43 9.14 × 104
1.00 × 104 3.81 1.02 × 105
2.00 × 104 7.61 2.03 × 105
2.92 × 104 11.1 2.97 × 105
Steel I Beam: W16 × 57 (Wide Flange 16 inch tall × 57 lbf/ft)
L = 30.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
57.0 0.0450 834
60.0 0.0474 878
70.0 0.0553 1020
80.0 0.0632 1170
90.0 0.0710 1320
100 0.0789 1460
200 0.158 2930
300 0.237 4390
400 0.316 5850
500 0.395 7320
600 0.474 8780
700 0.553 1.02 × 104
800 0.632 1.17 × 104
900 0.710 1.32 × 104
1000 0.789 1.46 × 104
2000 1.58 2.93 × 104
3000 2.37 4.39 × 104
4000 3.16 5.85 × 104
5000 3.95 7.32 × 104
6000 4.74 8.78 × 104
7000 5.53 1.02 × 105
8000 6.32 1.17 × 105
9000 7.10 1.32 × 105
1.00 × 104 7.89 1.46 × 105
2.00 × 104 15.8 2.93 × 105
2.03 × 104 16.0 2.97 × 105
Steel I Beam: W16 × 57 (Wide Flange 16 inch tall × 57 lbf/ft)
L = 40.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
57.0 0.142 1480
60.0 0.150 1560
70.0 0.175 1820
80.0 0.200 2080
90.0 0.225 2340
100 0.249 2600
200 0.499 5200
300 0.748 7800
400 0.998 1.04 × 104
500 1.25 1.30 × 104
600 1.50 1.56 × 104
700 1.75 1.82 × 104
800 2.00 2.08 × 104
900 2.25 2.34 × 104
1000 2.49 2.60 × 104
2000 4.99 5.20 × 104
3000 7.48 7.80 × 104
4000 9.98 1.04 × 105
5000 12.5 1.30 × 105
6000 15.0 1.56 × 105
6590 16.4 1.71 × 105
Steel I Beam: W16 × 57 (Wide Flange 16 inch tall × 57 lbf/ft)
L = 50.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
57.0 0.347 2320
60.0 0.365 2440
70.0 0.426 2840
80.0 0.487 3250
90.0 0.548 3660
100 0.609 4060
200 1.22 8130
300 1.83 1.22 × 104
400 2.44 1.63 × 104
500 3.05 2.03 × 104
600 3.65 2.44 × 104
700 4.26 2.84 × 104
800 4.87 3.25 × 104
900 5.48 3.66 × 104
1000 6.09 4.06 × 104
2000 12.2 8.13 × 104
2700 16.4 1.10 × 105
Steel I Beam: W16 × 57 (Wide Flange 16 inch tall × 57 lbf/ft)
L = 60.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
57.0 0.720 3340
60.0 0.758 3510
70.0 0.884 4100
80.0 1.01 4680
90.0 1.14 5270
100 1.26 5850
200 2.53 1.17 × 104
300 3.79 1.76 × 104
400 5.05 2.34 × 104
500 6.32 2.93 × 104
600 7.58 3.51 × 104
700 8.84 4.10 × 104
800 10.1 4.68 × 104
900 11.4 5.27 × 104
1000 12.6 5.85 × 104
1300 16.4 7.61 × 104
Steel I Beam: W16 × 57 (Wide Flange 16 inch tall × 57 lbf/ft)
L = 70.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
57.0 1.33 4540
60.0 1.40 4780
70.0 1.64 5580
80.0 1.87 6370
90.0 2.11 7170
100 2.34 7970
200 4.68 1.59 × 104
300 7.02 2.39 × 104
400 9.36 3.19 × 104
500 11.7 3.98 × 104
600 14.0 4.78 × 104
700 16.4 5.58 × 104
702 16.4 5.59 × 104
Steel I Beam: W16 × 57 (Wide Flange 16 inch tall × 57 lbf/ft)
L = 80.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
57.0 2.28 5930
60.0 2.40 6240
70.0 2.79 7280
80.0 3.19 8320
90.0 3.59 9360
100 3.99 1.04 × 104
200 7.98 2.08 × 104
300 12.0 3.12 × 104
400 16.0 4.16 × 104
412 16.4 4.28 × 104
Steel I Beam: W16 × 57 (Wide Flange 16 inch tall × 57 lbf/ft)
L = 90.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
57.0 3.64 7510
60.0 3.84 7900
70.0 4.48 9220
80.0 5.12 1.05 × 104
90.0 5.75 1.19 × 104
100 6.39 1.32 × 104
200 12.8 2.63 × 104
257 16.4 3.38 × 104
Steel I Beam: W16 × 57 (Wide Flange 16 inch tall × 57 lbf/ft)
L = 100 ft
P (lbf/ft) w_max (in) stress_max (psi)
57.0 5.56 9270
60.0 5.85 9750
70.0 6.82 1.14 × 104
80.0 7.80 1.30 × 104
90.0 8.77 1.46 × 104
100 9.75 1.63 × 104
169 16.4 2.74 × 104
Steel I Beam: W16 × 57 (Wide Flange 16 inch tall × 57 lbf/ft)
L = 125 ft
P (lbf/ft) w_max (in) stress_max (psi)
57.0 13.6 1.45 × 104
60.0 14.3 1.52 × 104
69.1 16.4 1.75 × 104
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