Little Thompson River Bridge

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Little Thompson River Bridge
Little Thompson River Bridge.JPG
Bridge in 2012.
USA Colorado location map.svg
Red pog.svg
Location Interstate 25 service road at milepost 249.90, near Berthoud, Colorado
Coordinates 40°18′04″N104°58′47″W / 40.30110°N 104.97978°W / 40.30110; -104.97978 Coordinates: 40°18′04″N104°58′47″W / 40.30110°N 104.97978°W / 40.30110; -104.97978
Arealess than one acre
Built1938
Architect Colorado Department of Highways
Architectural style camelback pony truss
MPS Highway Bridges in Colorado MPS
NRHP reference No. 02001129 [1]
Added to NRHPOctober 15, 2002

The Little Thompson River Bridge, in Weld County, Colorado near Berthoud, Colorado, was built in 1938. It was listed on the National Register of Historic Places in 2002. [1]

It was designed by the Colorado Department of Highways, fabricated by Midwest Steel & Iron Works, and installed by contractor Gardner Brothers. The highways department specified "a rigid-connected camelback pony truss, supported by reinforced concrete abutments with angled wingwalls." [2]

The bridge was altered by addition of flex beam guardrails around 1980. [2]

It is located on what is now a service road for Interstate 25, at milepost 249.90, near Berthoud. It is the eastern-most of three north–south bridges at the site; the other two carry southbound and northbound Interstate 25 traffic. [2]

In May 2021, there is ongoing construction at I-25's Little Thompson River crossing, covered in Colorado Department of Transportation photos. [3]

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References

  1. 1 2 "National Register Information System". National Register of Historic Places . National Park Service. November 2, 2013.
  2. 1 2 3 Colorado Historical Society's Office of Archaeology and Historic Preservation; Clay Fraser (May 21, 2002). "National Register of Historic Places Inventory/Nomination: Little Thompson River Bridge / CDOT No. C-17-N; 5WL2985". National Park Service . Retrieved April 28, 2021. With accompanying two photos from 1999
  3. Segment 6 - Little Thompson River Bridge Columns - May 2021 and Segment 6 - Little Thompson River Bridge Columns - May 2021