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.