Middle River Bridge

Photos

Middle River

Looking East

Photo taken by Craig Philpott in March 2010

BH Photo #158016

Overview: Howe Through truss bridge over Middle River on CA 4
Location: San Joaquin County, California
Status: Open to traffic
History: Built 1915; rehabilitated 1975
Builder: - American Bridge Co. of New York (Steel Fabricator)
Design: Howe Through truss
Dimensions: Length of largest span: 129.9 ft.
Total length: 546.9 ft.
Deck width: 19.7 ft.
Vertical clearance above deck: 19.7 ft.
Recognition: Eligible for the National Register of Historic Places
Also called: Borden Highway Middle River Bridge
Approximate latitude, longitude: +37.89072, -121.48932 (decimal degrees)
37°53'27" N, 121°29'22" W (degrees°minutes'seconds")
Approximate UTM coordinates: 10/632834/4194765 (zone/easting/northing)
Quadrangle map:: Holt
Elevation: 8 ft. above sea level
Average daily traffic (as of 2009): 7,200
Inventory numbers: CA 29-49 (California bridge number)
BH 11432 (Bridgehunter.com ID)
Inspection report (as of May 2015): Overall condition: Good
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Good (7 out of 9)
Deck condition rating: Good (7 out of 9)
Sufficiency rating: 54 (out of 100)
View more at BridgeReports.com

July 31, 2016: Updated by Christopher Finigan: Added categories "Pin-connected", "Riveted"
July 3, 2011: Updated by Craig Philpott: added name
March 13, 2010: Updated by Craig Philpott: Added photos and street view

Middle River Bridge

Posted January 23, 2014, by Lee (Leetrichell [at] icloud [dot] com)

Truss Bridges are attractive. This is a pretty bridge out in the back roads of the Bay Area.