A Small Parker Pony Truss Rail Road Bridge, Near Kirtley, in Fayette County, Texas. A Parker type Bridge is the same as a Pratt type but with a camelback top chord instead of a straight one. It crosses Barton Spring and is still in use by the Union Pacific Rail Road.

Location:

Latitude: 29.961746
Longitude: -97.091746

Sources:

http://www.mapquest.com/maps/map.adp?searchtype=address&formtype=latlong&latlongtype=decimal&latitude=29.961746&longitude=-97.091746