This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help.
Summary
DescriptionMurray Baker Bridge from Caterpillar Lot, Peoria, Illinois.jpg
I am the author of this work.
Date
3 September 2006 (according to Exif data)
Source
No machine-readable source provided. Own work assumed (based on copyright claims).
Author
No machine-readable author provided. Lpangelrob assumed (based on copyright claims).
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Generic license.
You are free:
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.