MDOT - DTMB

MDOT - Standards and Special Details

    Special Details

    Click on the individual link below to download the file.

Sub-Category Plan Title - Download Last Updated
Special Details 0-Changes-Signing-SpDet.pdf Change List for Signing Special Details
0-Changes-Signing-SpDet.pdf (13.59 KB)
04/14/2026
Special Details SIGN-220-D_Spec_Detail.pdf Steel Column Break-Away
SIGN-220-D_Spec_Detail.pdf (189.77 KB)
04/10/2026
Special Details SIGN-220-D_Spec_Detail_17in.pdf Steel Column Break-Away
SIGN-220-D_Spec_Detail_17in.pdf (212.83 KB)
04/10/2026
Special Details SIGN-300-D_Spec_Detail.pdf Steel Cantilever Type E
SIGN-300-D_Spec_Detail.pdf (496.3 KB)
04/10/2026
Special Details SIGN-300-D_Spec_Detail_17in.pdf Steel Cantilever Type E
SIGN-300-D_Spec_Detail_17in.pdf (485.42 KB)
04/10/2026
Special Details SIGN-330-C_Spec_Detail.pdf Cantilever Foundation Spread Type E
SIGN-330-C_Spec_Detail.pdf (402.63 KB)
05/15/2025
Special Details SIGN-330-C_Spec_Detail_17in.pdf Cantilever Foundation Spread Type E
SIGN-330-C_Spec_Detail_17in.pdf (395.62 KB)
05/15/2025
Special Details SIGN-340-C_Spec_Detail.pdf Drilled Shaft Foundation for Cantilever and Truss Type E
SIGN-340-C_Spec_Detail.pdf (666.7 KB)
08/13/2025
Special Details SIGN-340-C_Spec_Detail_17in.pdf Drilled Shaft Foundation for Cantilever and Truss Type E
SIGN-340-C_Spec_Detail_17in.pdf (651.53 KB)
08/13/2025
Special Details SIGN-350-C_Spec_Detail.pdf Drilled Shaft Foundation for Cantilever Type J
SIGN-350-C_Spec_Detail.pdf (573.56 KB)
05/15/2025
Special Details SIGN-350-C_Spec_Detail_17in.pdf Drilled Shaft Foundation for Cantilever Type J
SIGN-350-C_Spec_Detail_17in.pdf (561.49 KB)
05/15/2025
Special Details SIGN-360-C_Spec_Detail.pdf Steel Truss Type E
SIGN-360-C_Spec_Detail.pdf (1,165.67 KB)
05/15/2025
Special Details SIGN-360-C_Spec_Detail_17in.pdf Steel Truss Type E
SIGN-360-C_Spec_Detail_17in.pdf (1,473.21 KB)
05/15/2025
Special Details SIGN-367-A_Spec_Detail.pdf Wall Mount Details for Truss Type E
SIGN-367-A_Spec_Detail.pdf (982.82 KB)
05/15/2025
Special Details SIGN-370-C_Spec_Detail.pdf Steel Cantilever Truss Type J
SIGN-370-C_Spec_Detail.pdf (1,390.29 KB)
04/10/2026
Special Details SIGN-370-C_Spec_Detail_17in.pdf Steel Cantilever Truss Type J
SIGN-370-C_Spec_Detail_17in.pdf (1,366.9 KB)
04/10/2026
Special Details SIGN-800-B_Spec_Detail.pdf Bridge Sign Connection Type A1, A2, & B
SIGN-800-B_Spec_Detail.pdf (1,416.71 KB)
04/10/2026
Special Details SIGN-800-B_Spec_Detail_17in.pdf Bridge Sign Connection Type A1, A2, & B
SIGN-800-B_Spec_Detail_17in.pdf (1,380.82 KB)
04/10/2026
Special Details SIGN-810-B_Spec_Detail.pdf Bridge Sign Connection Type C, D, & E
SIGN-810-B_Spec_Detail.pdf (1,163.38 KB)
04/10/2026
Special Details SIGN-810-B_Spec_Detail_17in.pdf Bridge Sign Connection Type C, D, & E
SIGN-810-B_Spec_Detail_17in.pdf (1,155.4 KB)
04/10/2026
Special Details SIGN-820-C_Spec_Detail.pdf Bridge Sign Connection Type F & G.pdf
SIGN-820-C_Spec_Detail.pdf (1,030.48 KB)
04/10/2026
Special Details SIGN-820-C_Spec_Detail_17in.pdf Bridge Sign Connection Type F & G.pdf
SIGN-820-C_Spec_Detail_17in.pdf (1,017.29 KB)
04/10/2026
Special Details SIGN-825-A_Spec_Detail.pdf Bridge Sign Connection Type F1 & G1, Modified
SIGN-825-A_Spec_Detail.pdf (1,075.29 KB)
08/14/2025
Special Details SIGN-825-A_Spec_Detail_17in.pdf Bridge Sign Connection Type F1 & G1, Modified
SIGN-825-A_Spec_Detail_17in.pdf (1,111.65 KB)
08/14/2025
Special Details SIGN-830-B_Spec_Detail.pdf Bridge Sign Connection Type H, I, & J
SIGN-830-B_Spec_Detail.pdf (1,195.07 KB)
04/10/2026
Special Details SIGN-830-B_Spec_Detail_17in.pdf Bridge Sign Connection Type H, I, & J
SIGN-830-B_Spec_Detail_17in.pdf (1,180.21 KB)
04/10/2026
Special Details SIGN-835-A_Spec_Detail.pdf Bridge Sign Connection Type H1, I1, & J1, Modified
SIGN-835-A_Spec_Detail.pdf (1,293.76 KB)
08/14/2025
Special Details SIGN-835-A_Spec_Detail_17in.pdf Bridge Sign Connection Type H1, I1, & J1, Modified
SIGN-835-A_Spec_Detail_17in.pdf (1,278.84 KB)
08/14/2025
Special Details SIGN-840-A_Spec_Detail.pdf Bridge Sign Connection Angle Connections
SIGN-840-A_Spec_Detail.pdf (76.84 KB)
05/14/2025
Special Details SIGN-840-A_Spec_Detail_17in.pdf Bridge Sign Connection Angle Connections
SIGN-840-A_Spec_Detail_17in.pdf (77.45 KB)
05/15/2025
Special Details SIGN-850-B_Spec_Detail.pdf Bridge Sign Connection Type K, L, & M
SIGN-850-B_Spec_Detail.pdf (399.25 KB)
04/10/2026
Special Details SIGN-850-B_Spec_Detail_17in.pdf Bridge Sign Connection Type K, L, & M
SIGN-850-B_Spec_Detail_17in.pdf (402.02 KB)
04/10/2026
Special Details SIGN-870-C_Spec_Detail.pdf Bridge Sign Connection Type O, P, & Q
SIGN-870-C_Spec_Detail.pdf (563.29 KB)
04/10/2026
Special Details SIGN-870-C_Spec_Detail_17in.pdf Bridge Sign Connection Type O, P, & Q
SIGN-870-C_Spec_Detail_17in.pdf (580.83 KB)
04/10/2026
Special Details SIGN-880-B_Spec_Detail.pdf Bridge Sign Connection Type R, S, & T
SIGN-880-B_Spec_Detail.pdf (825.43 KB)
04/17/2026
Special Details SIGN-880-B_Spec_Detail_17in.pdf Bridge Sign Connection Type R, S, & T
SIGN-880-B_Spec_Detail_17in.pdf (753.68 KB)
04/17/2026
Special Details SIGN-890-C_Spec_Detail.pdf Bridge Sign Connection Type U, V, & W
SIGN-890-C_Spec_Detail.pdf (578.67 KB)
04/10/2026
Special Details SIGN-890-C_Spec_Detail_17in.pdf Bridge Sign Connection Type U, V, & W
SIGN-890-C_Spec_Detail_17in.pdf (589.64 KB)
04/10/2026