Rating:
4 votes

"I" Street Bridge

Yolo County, California, and Sacramento County, California
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I Street Bridge Sacramento

Driving West into portal, railroad deck is below

Photo taken by Craig Philpott in May 2010

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Description 

Double deck swing bridge with two railroad tracks on lower deck and auto traffic on upper deck.

View Uglybridges.com report

Facts 

Overview
Swing bridge over Sacramento River, carries railroad tracks and "I" Street in West Sacramento
Location
Sacramento, Yolo County, California, and Sacramento County, California
Status
Open to traffic
Future prospects
New highway bridge to be constructed. Fate of existing historic bridge not certain at this time. Section 106 should apply to this project.
History
Built 1911
Builders
- American Bridge Co. of New York (Superstructure)
- John D. Isaacs (Design)
- Missouri Valley Bridge & Iron Co. of Leavenworth, Kansas (Substructure)
Design
Swing
Dimensions
Length of largest span: 194.9 ft.
Total length: 854.0 ft.
Deck width: 30.0 ft.
Vertical clearance above deck: 14.8 ft.
Recognition
Posted to the National Register of Historic Places on April 22, 1982
Approximate latitude, longitude
+38.58627, -121.50649   (decimal degrees)
38°35'11" N, 121°30'23" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/630078/4271923 (zone/easting/northing)
Elevation
38 ft. above sea level
USGS topographic map
Sacramento West
Inventory numbers
CA 22C-153 (California bridge number)
NRHP 82002233 (National Register of Historic Places reference number)
BH 11734 (Bridgehunter.com ID)
Inspection (as of 01/2012)
Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Good (7 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 59.3 (out of 100)
Average daily traffic (as of 2007)
4,938

Categories 

American Bridge Co. (463)
Baltimore deck truss (14)
Baltimore truss (163)
Built 1911 (459)
Built during 1910s (6,760)
California (1,631)
Deck truss (961)
Double decker (32)
Functionally obsolete (7,054)
Have street view (10,035)
John D. Isaacs (1)
Missouri Valley Bridge & Iron Co. (73)
Movable (1,360)
NR-listed (2,355)
Navigable waterway (1,453)
 Open (28,454)
Owned by railroad (4,120)
Rail-and-Road (24)
Rail-to-road (92)
Railroad (4,223)
Sacramento County, California (45)
Sacramento River (32)
Sacramento, California (12)
Southern Pacific Railroad (153)
Span length 175-250 feet (1,489)
Swing (537)
Through truss (9,254)
Total length 500-1000 feet (1,819)
Truss (23,615)
Yolo County, California (29)

Update Log 

  • June 18, 2013: Updated by Nathan Holth: Updated status, NRHP number, and builders.
  • September 21, 2012: New photos from Jann Mayer
  • August 16, 2011: New photo from Brian Smith
  • May 25, 2010: Updated by Craig Philpott: Refined design added photos
  • May 1, 2010: Updated by Craig Philpott: corrected location

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