New York Codes, Rules and Regulations
Title 17 - DEPARTMENT OF TRANSPORTATION
Chapter V - New York State Supplement To The National Manual On Uniform Traffic Control Devices For Streets And Highways-2009 Edition
Part 6 - Temporary Traffic Control
Chapter 6F - Temporary Traffic Control Zone Devices
Section 6F.101 - BRIDGE CLOSED 500 FT Sign (NYW8-4)

Option:

01 The BRIDGE CLOSED 500 FT (NYW8-4) sign (see Sign Drawing SD-W27) may be used to provide advance warning that a bridge is closed.

Guidance:

02 Where used, the BRIDGE CLOSED 500 FT sign should be placed in advance of each location where a ROAD CLOSED (R11-2) sign or BRIDGE OUT XX MILES AHEAD LOCAL TRAFFIC ONLY (R11-3b) sign is displayed and no alternative path is signed at that location (i.e., the ROAD CLOSED or BRIDGE OUT XX MILES AHEAD LOCAL TRAFFIC ONLY sign is not accompanied by a Detour Arrow (M4-10).