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Wide Flange Steel I Beam: W10 × 88
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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Four Equal Spans » Wide Flange Steel I Beam » W10 × 88
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 = 534 in4) for the W10 × 88 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
   
Steel I Beam: W10 × 88 (Wide Flange 10 inch tall × 88 lbf/ft)
L = 3.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
88.0 4.77 × 10-6 10.3
90.0 4.88 × 10-6 10.6
100 5.42 × 10-6 11.7
200 1.08 × 10-5 23.5
300 1.63 × 10-5 35.2
400 2.17 × 10-5 47.0
500 2.71 × 10-5 58.7
600 3.25 × 10-5 70.4
700 3.80 × 10-5 82.2
800 4.34 × 10-5 93.9
900 4.88 × 10-5 106
1000 5.42 × 10-5 117
2000 1.08 × 10-4 235
3000 1.63 × 10-4 352
4000 2.17 × 10-4 470
5000 2.71 × 10-4 587
6000 3.25 × 10-4 704
7000 3.80 × 10-4 822
8000 4.34 × 10-4 939
9000 4.88 × 10-4 1060
1.00 × 104 5.42 × 10-4 1170
2.00 × 104 0.00108 2350
3.00 × 104 0.00163 3520
4.00 × 104 0.00217 4700
5.00 × 104 0.00271 5870
6.00 × 104 0.00325 7040
7.00 × 104 0.00380 8220
8.00 × 104 0.00434 9390
9.00 × 104 0.00488 1.06 × 104
1.00 × 105 0.00542 1.17 × 104
2.00 × 105 0.0108 2.35 × 104
3.00 × 105 0.0163 3.52 × 104
4.00 × 105 0.0217 4.70 × 104
5.00 × 105 0.0271 5.87 × 104
6.00 × 105 0.0325 7.04 × 104
7.00 × 105 0.0380 8.22 × 104
8.00 × 105 0.0434 9.39 × 104
9.00 × 105 0.0488 1.06 × 105
1.00 × 106 0.0542 1.17 × 105
2.00 × 106 0.108 2.35 × 105
2.53 × 106 0.137 2.97 × 105
Steel I Beam: W10 × 88 (Wide Flange 10 inch tall × 88 lbf/ft)
L = 5.00 ft
P (lbf/ft) w_max (in) stress_max (psi)
88.0 3.68 × 10-5 28.7
90.0 3.76 × 10-5 29.4
100 4.18 × 10-5 32.6
200 8.37 × 10-5 65.2
300 1.25 × 10-4 97.8
400 1.67 × 10-4 130
500 2.09 × 10-4 163
600 2.51 × 10-4 196
700 2.93 × 10-4 228
800 3.35 × 10-4 261
900 3.76 × 10-4 294
1000 4.18 × 10-4 326
2000 8.37 × 10-4 652
3000 0.00125 978
4000 0.00167 1300
5000 0.00209 1630
6000 0.00251 1960
7000 0.00293 2280
8000 0.00335 2610
9000 0.00376 2940
1.00 × 104 0.00418 3260
2.00 × 104 0.00837 6520
3.00 × 104 0.0125 9780
4.00 × 104 0.0167 1.30 × 104
5.00 × 104 0.0209 1.63 × 104
6.00 × 104 0.0251 1.96 × 104
7.00 × 104 0.0293 2.28 × 104
8.00 × 104 0.0335 2.61 × 104
9.00 × 104 0.0376 2.94 × 104
1.00 × 105 0.0418 3.26 × 104
2.00 × 105 0.0837 6.52 × 104
3.00 × 105 0.125 9.78 × 104
4.00 × 105 0.167 1.30 × 105
5.00 × 105 0.209 1.63 × 105
6.00 × 105 0.251 1.96 × 105
7.00 × 105 0.293 2.28 × 105
8.00 × 105 0.335 2.61 × 105
9.00 × 105 0.376 2.94 × 105
9.11 × 105 0.381 2.97 × 105
Steel I Beam: W10 × 88 (Wide Flange 10 inch tall × 88 lbf/ft)
L = 10.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
88.0 5.89 × 10-4 115
90.0 6.02 × 10-4 117
100 6.69 × 10-4 130
200 0.00134 261
300 0.00201 391
400 0.00268 522
500 0.00335 652
600 0.00402 783
700 0.00469 913
800 0.00535 1040
900 0.00602 1170
1000 0.00669 1300
2000 0.0134 2610
3000 0.0201 3910
4000 0.0268 5220
5000 0.0335 6520
6000 0.0402 7830
7000 0.0469 9130
8000 0.0535 1.04 × 104
9000 0.0602 1.17 × 104
1.00 × 104 0.0669 1.30 × 104
2.00 × 104 0.134 2.61 × 104
3.00 × 104 0.201 3.91 × 104
4.00 × 104 0.268 5.22 × 104
5.00 × 104 0.335 6.52 × 104
6.00 × 104 0.402 7.83 × 104
7.00 × 104 0.469 9.13 × 104
8.00 × 104 0.535 1.04 × 105
9.00 × 104 0.602 1.17 × 105
1.00 × 105 0.669 1.30 × 105
2.00 × 105 1.34 2.61 × 105
2.28 × 105 1.52 2.97 × 105
Steel I Beam: W10 × 88 (Wide Flange 10 inch tall × 88 lbf/ft)
L = 15.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
88.0 0.00298 258
90.0 0.00305 264
100 0.00339 294
200 0.00678 587
300 0.0102 881
400 0.0136 1170
500 0.0169 1470
600 0.0203 1760
700 0.0237 2050
800 0.0271 2350
900 0.0305 2640
1000 0.0339 2940
2000 0.0678 5870
3000 0.102 8810
4000 0.136 1.17 × 104
5000 0.169 1.47 × 104
6000 0.203 1.76 × 104
7000 0.237 2.05 × 104
8000 0.271 2.35 × 104
9000 0.305 2.64 × 104
1.00 × 104 0.339 2.94 × 104
2.00 × 104 0.678 5.87 × 104
3.00 × 104 1.02 8.81 × 104
4.00 × 104 1.36 1.17 × 105
5.00 × 104 1.69 1.47 × 105
6.00 × 104 2.03 1.76 × 105
7.00 × 104 2.37 2.05 × 105
8.00 × 104 2.71 2.35 × 105
9.00 × 104 3.05 2.64 × 105
1.00 × 105 3.39 2.94 × 105
1.01 × 105 3.43 2.97 × 105
Steel I Beam: W10 × 88 (Wide Flange 10 inch tall × 88 lbf/ft)
L = 20.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
88.0 0.00942 459
90.0 0.00964 470
100 0.0107 522
200 0.0214 1040
300 0.0321 1570
400 0.0428 2090
500 0.0535 2610
600 0.0643 3130
700 0.0750 3650
800 0.0857 4170
900 0.0964 4700
1000 0.107 5220
2000 0.214 1.04 × 104
3000 0.321 1.57 × 104
4000 0.428 2.09 × 104
5000 0.535 2.61 × 104
6000 0.643 3.13 × 104
7000 0.750 3.65 × 104
8000 0.857 4.17 × 104
9000 0.964 4.70 × 104
1.00 × 104 1.07 5.22 × 104
2.00 × 104 2.14 1.04 × 105
3.00 × 104 3.21 1.57 × 105
4.00 × 104 4.28 2.09 × 105
5.00 × 104 5.35 2.61 × 105
5.69 × 104 6.10 2.97 × 105
Steel I Beam: W10 × 88 (Wide Flange 10 inch tall × 88 lbf/ft)
L = 25.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
88.0 0.0230 717
90.0 0.0235 734
100 0.0261 815
200 0.0523 1630
300 0.0784 2450
400 0.105 3260
500 0.131 4080
600 0.157 4890
700 0.183 5710
800 0.209 6520
900 0.235 7340
1000 0.261 8150
2000 0.523 1.63 × 104
3000 0.784 2.45 × 104
4000 1.05 3.26 × 104
5000 1.31 4.08 × 104
6000 1.57 4.89 × 104
7000 1.83 5.71 × 104
8000 2.09 6.52 × 104
9000 2.35 7.34 × 104
1.00 × 104 2.61 8.15 × 104
2.00 × 104 5.23 1.63 × 105
3.00 × 104 7.84 2.45 × 105
3.64 × 104 9.53 2.97 × 105
Steel I Beam: W10 × 88 (Wide Flange 10 inch tall × 88 lbf/ft)
L = 30.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
88.0 0.0477 1030
90.0 0.0488 1060
100 0.0542 1170
200 0.108 2350
300 0.163 3520
400 0.217 4700
500 0.271 5870
600 0.325 7040
700 0.380 8220
800 0.434 9390
900 0.488 1.06 × 104
1000 0.542 1.17 × 104
2000 1.08 2.35 × 104
3000 1.63 3.52 × 104
4000 2.17 4.70 × 104
5000 2.71 5.87 × 104
6000 3.25 7.04 × 104
7000 3.80 8.22 × 104
8000 4.34 9.39 × 104
9000 4.88 1.06 × 105
1.00 × 104 5.42 1.17 × 105
2.00 × 104 10.8 2.35 × 105
Steel I Beam: W10 × 88 (Wide Flange 10 inch tall × 88 lbf/ft)
L = 40.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
88.0 0.151 1840
90.0 0.154 1880
100 0.171 2090
200 0.343 4170
300 0.514 6260
400 0.685 8350
500 0.857 1.04 × 104
600 1.03 1.25 × 104
700 1.20 1.46 × 104
800 1.37 1.67 × 104
900 1.54 1.88 × 104
1000 1.71 2.09 × 104
2000 3.43 4.17 × 104
3000 5.14 6.26 × 104
4000 6.85 8.35 × 104
5000 8.57 1.04 × 105
6000 10.3 1.25 × 105
6330 10.8 1.32 × 105
Steel I Beam: W10 × 88 (Wide Flange 10 inch tall × 88 lbf/ft)
L = 50.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
88.0 0.368 2870
90.0 0.376 2940
100 0.418 3260
200 0.837 6520
300 1.25 9780
400 1.67 1.30 × 104
500 2.09 1.63 × 104
600 2.51 1.96 × 104
700 2.93 2.28 × 104
800 3.35 2.61 × 104
900 3.76 2.94 × 104
1000 4.18 3.26 × 104
2000 8.37 6.52 × 104
2590 10.8 8.45 × 104
Steel I Beam: W10 × 88 (Wide Flange 10 inch tall × 88 lbf/ft)
L = 60.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
88.0 0.763 4130
90.0 0.781 4230
100 0.867 4700
200 1.73 9390
300 2.60 1.41 × 104
400 3.47 1.88 × 104
500 4.34 2.35 × 104
600 5.20 2.82 × 104
700 6.07 3.29 × 104
800 6.94 3.76 × 104
900 7.81 4.23 × 104
1000 8.67 4.70 × 104
1250 10.8 5.87 × 104
Steel I Beam: W10 × 88 (Wide Flange 10 inch tall × 88 lbf/ft)
L = 70.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
88.0 1.41 5620
90.0 1.45 5750
100 1.61 6390
200 3.21 1.28 × 104
300 4.82 1.92 × 104
400 6.43 2.56 × 104
500 8.04 3.20 × 104
600 9.64 3.84 × 104
675 10.8 4.31 × 104
Steel I Beam: W10 × 88 (Wide Flange 10 inch tall × 88 lbf/ft)
L = 80.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
88.0 2.41 7350
90.0 2.47 7510
100 2.74 8350
200 5.48 1.67 × 104
300 8.22 2.50 × 104
395 10.8 3.30 × 104
Steel I Beam: W10 × 88 (Wide Flange 10 inch tall × 88 lbf/ft)
L = 90.0 ft
P (lbf/ft) w_max (in) stress_max (psi)
88.0 3.86 9300
90.0 3.95 9510
100 4.39 1.06 × 104
200 8.78 2.11 × 104
247 10.8 2.61 × 104
Steel I Beam: W10 × 88 (Wide Flange 10 inch tall × 88 lbf/ft)
L = 100 ft
P (lbf/ft) w_max (in) stress_max (psi)
88.0 5.89 1.15 × 104
90.0 6.02 1.17 × 104
100 6.69 1.30 × 104
162 10.8 2.11 × 104
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