v3.25.3
S000004419 [Member] N-1A Cover
Jun. 30, 2025
Prospectus [Line Items]  
Document Type 485BPOS
Amendment Flag false
Registrant Name BRIDGEWAY FUNDS INC
Entity Central Index Key 0000916006
Entity Investment Company Type N-1A
Document Period End Date Jun. 30, 2025
Prospectus Date Oct. 31, 2025