Modified PCI Multipliers for Time-Dependent Deformation of PSC Bridges

Table 4

Ratio of noncomposite to composite moments of inertia by girder type and span.

Span	PCI Bridge Design Manual	I girder	Box girder	WPC girder	Average
25 m	0.65	0.51	—	—	0.51
30 m		0.49	0.54	0.53	0.52
35 m		0.52	0.56	0.50	0.53
40 m		—	0.57	0.54	0.56
Average	0.65	0.51	0.56	0.52	0.53