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mystery beams

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Does have any information about steel beams with the following dimensions?
9 1/4" dp x 4" x 3/8" thk flange (likely with sloped flanges)
9" dp x 4 3/8 x 1/4" thk. flange
I have no info on anything with 9" depth. They are not channels back to back.
Age 1930-1950 approx. They are stringers on a pony truss bridge. They exist
on 3 different bridges so I know my guys did not measure them incorrectly.

David Handy, P.Eng
Ontario, Canada