Saturday, February 10, 2024

1936 US-101 Siuslaw River Bridge at Florence, OR

(Bridge Hunter broke Mar 22, 2023; Historic Bridges; HAERSatellite, 817 photos)

This is another WPA bridge along the western coast.

The 1,649.4' (502.7m) long bridge has a 154' (46.9m) main span. [HistoricBridges]

HAER ORE,20-FLO,2-
OBLIQUE VIEW FROM LOTUS SEAFOOD RESTAURANT - Siuslaw River Bridge, Spanning Siuslaw River at Oregon Coast Highway, Florence, Lane County, OR Photos from Survey HAER OR-58

"The Siuslaw River Bridge is the only one of the five PWA coastal bridges with a bascule span. The bridge is also representative of the innovative designs by State Bridge Engineer Conde B. McCullough, a pioneer in American concrete bridge design. The Siuslaw River Bridge is an early example of McCullough's use of tied arches and Considere-type hinges." [HAER_data]

Boat View, Nov 2015

Haley Johnson, Mar 2019

I Mooser, Jun 2023

These are the fanciest bridge houses that I have seen.
Street View, Aug 2012

Phil Block posted
Siuslaw River Bridge
Opened in 1936 it's 1,568 feet long carrying traffic on US 101.  The bridge is listed on the National Register of Historic Places
 
thesiuslawnews, Photo by Tony Reed/Siuslaw News
"Florence’s landmark bridge over the Siuslaw River will likely see some preservation work, but it won’t likely happen for a few years. According to the Oregon Department of Transportation website, a project to repair areas of the bridge is in the design phase, which is expected to cost $575,000....The design phase is expected to happen from 2024 to 2026, with work following in 2027. Funding for the repairs has not been estimated or secured."
The controls were updated in 2011.

HAER ORE,20-FLO,2-
10. Bull gear and trunnion

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