Seventh Street Bridge (1916)
Seventh Street Bridge
Photo taken by Craig Philpott
BH Photo #205307
Concrete and steel truss closed spandrel concrete deck arch.
- Deck truss bridge over Tuolumne River on Seventh Street
- Modesto, Stanislaus County, California
- Open to traffic
- Future prospects
- To be demolished. New bridge still in design July 2022.
- Built 1916
- - E.H. Annear (County Engineer)
- G.E. Cotton (Contractor)
- John B. Leonard of Union City, Michigan (Engineer)
- Leonard & Day (Consulting Engineer)
- Described in the book, Historic Highway Bridges of California, as a "canticrete" bridge, invented by John B. Leonard. A mixed design using steel trusses within the arch ribs, the trusses are cantilevered from the foundation piers and pinned together at the crest of the arch.
Length of largest span: 101.1 ft.
Total length: 1,170.0 ft.
Deck width: 24.3 ft.
Eligible for the National Register of Historic Places
- Also called
- Parrots Ferry Bridge
- Approximate latitude, longitude
- +37.62694, -120.99389 (decimal degrees)
37°37'37" N, 120°59'38" W (degrees°minutes'seconds")
- Approximate UTM coordinates
- 10/677028/4166317 (zone/easting/northing)
- Quadrangle map:
- Average daily traffic (as of 2009)
- Inventory numbers
- CA 38C-23 (California bridge number)
BH 46304 (Bridgehunter.com ID)
- Inspection report (as of September 2018)
- Overall condition: Fair
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Fair (5 out of 9)
Deck condition rating: Good (7 out of 9)
Sufficiency rating: 51 (out of 100)
View more at BridgeReports.com
- September 21, 2022: New photo from Doug K
- December 6, 2021: New photo from Dave King
- April 15, 2021: New photo from Geoff Hubbs
- March 10, 2014: Updated by Craig Philpott: added alternate historical location name
- May 10, 2013: Updated by Nathan Holth: This bridge is at risk for demolition.
- July 24, 2011: Updated by Craig Philpott: added contractor names
- October 19, 2010: Updated by Craig Philpott: refined design description
- September 21, 2010: Added by Craig Philpott