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Wide Flange Steel I Beam: W10 × 88
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Glossary » Beams » Simply Supported » Uniformly Distributed Load » Three 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 three equal spans, we compute the displacement at the middle of the first and the third spans, and the maximum normal stress stress_max occuring at the second and third 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 5.15 × 10-6 9.65
90.0 5.27 × 10-6 9.87
100 5.85 × 10-6 11.0
200 1.17 × 10-5 21.9
300 1.76 × 10-5 32.9
400 2.34 × 10-5 43.8
500 2.93 × 10-5 54.8
600 3.51 × 10-5 65.8
700 4.10 × 10-5 76.7
800 4.68 × 10-5 87.7
900 5.27 × 10-5 98.7
1000 5.85 × 10-5 110
2000 1.17 × 10-4 219
3000 1.76 × 10-4 329
4000 2.34 × 10-4 438
5000 2.93 × 10-4 548
6000 3.51 × 10-4 658
7000 4.10 × 10-4 767
8000 4.68 × 10-4 877
9000 5.27 × 10-4 987
1.00 × 104 5.85 × 10-4 1100
2.00 × 104 0.00117 2190
3.00 × 104 0.00176 3290
4.00 × 104 0.00234 4380
5.00 × 104 0.00293 5480
6.00 × 104 0.00351 6580
7.00 × 104 0.00410 7670
8.00 × 104 0.00468 8770
9.00 × 104 0.00527 9870
1.00 × 105 0.00585 1.10 × 104
2.00 × 105 0.0117 2.19 × 104
3.00 × 105 0.0176 3.29 × 104
4.00 × 105 0.0234 4.38 × 104
5.00 × 105 0.0293 5.48 × 104
6.00 × 105 0.0351 6.58 × 104
7.00 × 105 0.0410 7.67 × 104
8.00 × 105 0.0468 8.77 × 104
9.00 × 105 0.0527 9.87 × 104
1.00 × 106 0.0585 1.10 × 105
2.00 × 106 0.117 2.19 × 105
2.71 × 106 0.159 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 3.97 × 10-5 26.8
90.0 4.06 × 10-5 27.4
100 4.52 × 10-5 30.4
200 9.03 × 10-5 60.9
300 1.35 × 10-4 91.3
400 1.81 × 10-4 122
500 2.26 × 10-4 152
600 2.71 × 10-4 183
700 3.16 × 10-4 213
800 3.61 × 10-4 244
900 4.06 × 10-4 274
1000 4.52 × 10-4 304
2000 9.03 × 10-4 609
3000 0.00135 913
4000 0.00181 1220
5000 0.00226 1520
6000 0.00271 1830
7000 0.00316 2130
8000 0.00361 2440
9000 0.00406 2740
1.00 × 104 0.00452 3040
2.00 × 104 0.00903 6090
3.00 × 104 0.0135 9130
4.00 × 104 0.0181 1.22 × 104
5.00 × 104 0.0226 1.52 × 104
6.00 × 104 0.0271 1.83 × 104
7.00 × 104 0.0316 2.13 × 104
8.00 × 104 0.0361 2.44 × 104
9.00 × 104 0.0406 2.74 × 104
1.00 × 105 0.0452 3.04 × 104
2.00 × 105 0.0903 6.09 × 104
3.00 × 105 0.135 9.13 × 104
4.00 × 105 0.181 1.22 × 105
5.00 × 105 0.226 1.52 × 105
6.00 × 105 0.271 1.83 × 105
7.00 × 105 0.316 2.13 × 105
8.00 × 105 0.361 2.44 × 105
9.00 × 105 0.406 2.74 × 105
9.76 × 105 0.440 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 6.36 × 10-4 107
90.0 6.50 × 10-4 110
100 7.22 × 10-4 122
200 0.00144 244
300 0.00217 365
400 0.00289 487
500 0.00361 609
600 0.00433 731
700 0.00506 853
800 0.00578 974
900 0.00650 1100
1000 0.00722 1220
2000 0.0144 2440
3000 0.0217 3650
4000 0.0289 4870
5000 0.0361 6090
6000 0.0433 7310
7000 0.0506 8530
8000 0.0578 9740
9000 0.0650 1.10 × 104
1.00 × 104 0.0722 1.22 × 104
2.00 × 104 0.144 2.44 × 104
3.00 × 104 0.217 3.65 × 104
4.00 × 104 0.289 4.87 × 104
5.00 × 104 0.361 6.09 × 104
6.00 × 104 0.433 7.31 × 104
7.00 × 104 0.506 8.53 × 104
8.00 × 104 0.578 9.74 × 104
9.00 × 104 0.650 1.10 × 105
1.00 × 105 0.722 1.22 × 105
2.00 × 105 1.44 2.44 × 105
2.44 × 105 1.76 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 0.00322 241
90.0 0.00329 247
100 0.00366 274
200 0.00731 548
300 0.0110 822
400 0.0146 1100
500 0.0183 1370
600 0.0219 1640
700 0.0256 1920
800 0.0293 2190
900 0.0329 2470
1000 0.0366 2740
2000 0.0731 5480
3000 0.110 8220
4000 0.146 1.10 × 104
5000 0.183 1.37 × 104
6000 0.219 1.64 × 104
7000 0.256 1.92 × 104
8000 0.293 2.19 × 104
9000 0.329 2.47 × 104
1.00 × 104 0.366 2.74 × 104
2.00 × 104 0.731 5.48 × 104
3.00 × 104 1.10 8.22 × 104
4.00 × 104 1.46 1.10 × 105
5.00 × 104 1.83 1.37 × 105
6.00 × 104 2.19 1.64 × 105
7.00 × 104 2.56 1.92 × 105
8.00 × 104 2.93 2.19 × 105
9.00 × 104 3.29 2.47 × 105
1.00 × 105 3.66 2.74 × 105
1.08 × 105 3.96 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 0.0102 429
90.0 0.0104 438
100 0.0116 487
200 0.0231 974
300 0.0347 1460
400 0.0462 1950
500 0.0578 2440
600 0.0694 2920
700 0.0809 3410
800 0.0925 3900
900 0.104 4380
1000 0.116 4870
2000 0.231 9740
3000 0.347 1.46 × 104
4000 0.462 1.95 × 104
5000 0.578 2.44 × 104
6000 0.694 2.92 × 104
7000 0.809 3.41 × 104
8000 0.925 3.90 × 104
9000 1.04 4.38 × 104
1.00 × 104 1.16 4.87 × 104
2.00 × 104 2.31 9.74 × 104
3.00 × 104 3.47 1.46 × 105
4.00 × 104 4.62 1.95 × 105
5.00 × 104 5.78 2.44 × 105
6.00 × 104 6.94 2.92 × 105
6.10 × 104 7.05 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 0.0248 670
90.0 0.0254 685
100 0.0282 761
200 0.0564 1520
300 0.0847 2280
400 0.113 3040
500 0.141 3810
600 0.169 4570
700 0.198 5330
800 0.226 6090
900 0.254 6850
1000 0.282 7610
2000 0.564 1.52 × 104
3000 0.847 2.28 × 104
4000 1.13 3.04 × 104
5000 1.41 3.81 × 104
6000 1.69 4.57 × 104
7000 1.98 5.33 × 104
8000 2.26 6.09 × 104
9000 2.54 6.85 × 104
1.00 × 104 2.82 7.61 × 104
2.00 × 104 5.64 1.52 × 105
3.00 × 104 8.47 2.28 × 105
3.90 × 104 11.0 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 0.0515 965
90.0 0.0527 987
100 0.0585 1100
200 0.117 2190
300 0.176 3290
400 0.234 4380
500 0.293 5480
600 0.351 6580
700 0.410 7670
800 0.468 8770
900 0.527 9870
1000 0.585 1.10 × 104
2000 1.17 2.19 × 104
3000 1.76 3.29 × 104
4000 2.34 4.38 × 104
5000 2.93 5.48 × 104
6000 3.51 6.58 × 104
7000 4.10 7.67 × 104
8000 4.68 8.77 × 104
9000 5.27 9.87 × 104
1.00 × 104 5.85 1.10 × 105
1.85 × 104 10.8 2.03 × 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 0.163 1710
90.0 0.166 1750
100 0.185 1950
200 0.370 3900
300 0.555 5850
400 0.740 7800
500 0.925 9740
600 1.11 1.17 × 104
700 1.29 1.36 × 104
800 1.48 1.56 × 104
900 1.66 1.75 × 104
1000 1.85 1.95 × 104
2000 3.70 3.90 × 104
3000 5.55 5.85 × 104
4000 7.40 7.80 × 104
5000 9.25 9.74 × 104
5860 10.8 1.14 × 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 0.397 2680
90.0 0.406 2740
100 0.452 3040
200 0.903 6090
300 1.35 9130
400 1.81 1.22 × 104
500 2.26 1.52 × 104
600 2.71 1.83 × 104
700 3.16 2.13 × 104
800 3.61 2.44 × 104
900 4.06 2.74 × 104
1000 4.52 3.04 × 104
2000 9.03 6.09 × 104
2400 10.8 7.31 × 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 0.824 3860
90.0 0.843 3950
100 0.936 4380
200 1.87 8770
300 2.81 1.32 × 104
400 3.75 1.75 × 104
500 4.68 2.19 × 104
600 5.62 2.63 × 104
700 6.55 3.07 × 104
800 7.49 3.51 × 104
900 8.43 3.95 × 104
1000 9.36 4.38 × 104
1160 10.8 5.08 × 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 1.53 5250
90.0 1.56 5370
100 1.73 5970
200 3.47 1.19 × 104
300 5.20 1.79 × 104
400 6.94 2.39 × 104
500 8.67 2.98 × 104
600 10.4 3.58 × 104
625 10.8 3.73 × 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 2.60 6860
90.0 2.66 7020
100 2.96 7800
200 5.92 1.56 × 104
300 8.88 2.34 × 104
366 10.8 2.86 × 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 4.17 8680
90.0 4.27 8880
100 4.74 9870
200 9.48 1.97 × 104
229 10.8 2.26 × 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 6.36 1.07 × 104
90.0 6.50 1.10 × 104
100 7.22 1.22 × 104
150 10.8 1.83 × 104
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