Washington Avenue was a timetable location on the Michigan Central's Saginaw Branch (Denmark Jct. to Saginaw) in 1911. It was 5.2 miles east of South Bound Junction (west of the Saginaw River drawbridge).
This may have been the Washington Street passenger station, which was on the east side of the river at the intersection of Washington Street and Emerson. See other location.
The following sources are utilized in this website. [SOURCE-YEAR-MMDD-PG]: