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Caltrain - Santa Inez Ave Overpass

San Mateo County, California

Photo 

Santa Inez Ave Overpass in 2008

Photo taken by Caltrans in 2008

BH Photo #309401

Map 

Street View 

Description 

The Santa Inez Avenue Bridge (35C0090) was built in 1903 and features rolled-steel beam side spans over sidewalks with steel bents and reinforced-concrete cantilevered abutments, and a dry-laid random-ashlar masonry retaining wall. The bridge is one of four underpasses in San Mateo situated on the former Southern Pacific Railroad route between San Francisco and San Jose which are eligible for the National Register under Criterion A for their association with the development of northern San Mateo and with the growth of grade-separation construction during the early twentieth century and under Criterion C as representative of features once common to railroad underpasses that are illustrative of an important phase of development in the evolution of underpass design. Southern Pacific built the Santa Inez Avenue Bridge during the company's phase of upgrades and development during the early twentieth century. The period of significance is 1903.

Facts 

Overview
Girder bridge over Santa Inez Ave on Caltrain & Union Pacific Railroad
Location
San Mateo, San Mateo County, California
Status
Open to traffic
History
Built 1903
Builder
- American Bridge Co. of New York
Railroads
- Caltrain (CALT; JPBX; PJPB)
- Commuter Rail
- Southern Pacific Railroad (SP)
- Union Pacific Railroad (UP)
Design
Girder
Dimensions
Length of largest span: 33.1 ft.
Total length: 51.8 ft.
Also called
Union Pacfifc - Santa Inez Ave Bridge
Union Pacific - Santa Inez Ave Overpass
Caltrain - Santa Inez Ave Bridge
Approximate latitude, longitude
+37.57278, -122.32889   (decimal degrees)
37°34'22" N, 122°19'44" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/559262/4158627 (zone/easting/northing)
Quadrangle map:
San Mateo
Inventory numbers
CA 35C-90 (California bridge number)
BH 64357 (Bridgehunter.com ID)

Categories 

American Bridge Co. (1,370)
Built 1903 (526)
Built during 1900s (6,799)
California (2,279)
Caltrain (15)
Commuter Rail (432)
Girder (9,139)
Have street view (25,412)
 Open (38,216)
Owned by county (20,054)
San Mateo County, California (39)
San Mateo, California (11)
Southern Pacific Railroad (537)
Span length 25-50 feet (14,954)
Total length 50-75 feet (8,975)
Union Pacific Railroad (2,161)

Update Log 

  • December 1, 2014: New Street View added by Dallam Oliver-Lee

Sources 

Comments 

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