|Bridge Name||Facility Carried / Feature Intersected||Location||Structure Type||Construction Date and Builder/Engineer|
Maple Avenue Bridge
||Maple Avenue Over Thread Creek||Burton: Genesee County, Michigan||Metal Stringer (Multi-Beam), Fixed||1929 By Builder/Contractor: Unknown|
|Main Span Length||Structure Length||Roadway Width||Main Spans||NBI Number|
|44 Feet (13.4 Meters)||45 Feet (13.7 Meters)||30 Feet (9.1 Meters)||1||254101300032B01|
This bridge is noteworthy as an individual example among a
group of small bridges in Genesee County that retain good historic integrity
and document a variation on a common late 1920s and early 1930s bridge
design in Michigan.
This bridge displays a minor variation of the steel stringer design with concrete balustrade railings that was very prolifically used for a surprisingly short period in Michigan, between 1928 and 1932. Unlike most of Michigan's balustrade steel stringer bridges, several Genesee County examples include railings that do not feature vertical lines on each balustrade spindle, and the shape of the spindle is a little different. Another slight variation in the traditional balustrade stringer design is the concrete facade/encasement of the outer edge of the outer steel stringers. Rather than have a curved surface and/or ribs, the concrete has a straight, angled design.
This bridge exhibits the poorest structural and historic integrity among this group of bridges in the county. The bridge has Armco guardrails added to the inside of the railing, and also there is significant spalling on the railing and the stringer concrete facade. There is rust and section loss on the stringers.
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