The following minimum standards for bridge design load and bridge width are established for improvements on town road bridges:
TRAFFIC VOLUME | BRIDGE DESIGN LOAD | BRIDGE WIDTH |
(1) Under 250 ADT | H-15 | 24 feet |
(2) 251 to 400 ADT | H-20 | 26 feet |
(3) 401 to 1,000 ADT | H-20 | 28 feet |
(4) 1,001 to 2,400 ADT | H-20 | 30 feet |
(5) Over 2,400 ADT | State Trunk Highway Standards |
Wis. Admin. Code Department of Transportation Trans 214.04
Information on state trunk highway design standards may be obtained from the DOT Division of Highways and Transportation Facilities, P. O. Box 7916, Madison, Wisconsin 53707.