Layer Estimates:

Layer: Bridges (ID:1)
Count: 351
Extent:

XMin: 16426403.0592719
YMin: -2813699.22749357
XMax: 16841157.1218231
YMax: -2266794.8541641
Spatial Reference: 102100 (3857)

Layer: Culverts (ID:2)
Count: 3907
Extent:

XMin: 16420612.4079702
YMin: -2822205.54177401
XMax: 16842595.8150519
YMax: -2261550.65295309
Spatial Reference: 102100 (3857)

Layer: Retaining Walls (ID:3)
Count: 9
Extent:

XMin: 16569017.8319794
YMin: -2737363.0677183
XMax: 16838878.0999743
YMax: -2695301.76987574
Spatial Reference: 102100 (3857)

Layer: Loadout or Unloader (ID:4)
Count: 58
Extent:

XMin: 16421329.4927159
YMin: -2820547.27639985
XMax: 16841681.4088959
YMax: -2261514.3047052
Spatial Reference: 102100 (3857)