Layer Estimates:

Layer: Bridge Inventory (ID:0)
Count: 45236
Extent:

XMin: -9442055.8683
YMin: 4637262.8721
XMax: -8962666.1622
YMax: 5155133.3838
Spatial Reference: 102100 (3857)

Layer: WGIS_SCENIC_RIVERS_1000 (ID:1)
Count: 74
Extent:

XMin: -9441174.6657
YMin: 4731744.783
XMax: -8962888.1352
YMax: 5154117.3563
Spatial Reference: 102100 (3857)

Layer: Bridges_by_County.csv (ID:2)
Count: 88