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UP - San Pedro Avenue Overpass

Photos 

UP (I-GN)-San Pedro Avenue Overpass

Looking North

Photo taken by Royce and Bobette Haley in July 2014

Enlarge

BH Photo #290690

Map 

Street View 

Description 

The deck girder bridge was made in 1936 the underpass was finished in 1937 on the original International-Great Northern Line and the Missouri Pacific (MoPac) line. It is now used by Union Pacific

Facts 

Overview
Bridge over San Pedro Avenue on UP (I-GN) (MP) Railroad
Location
San Antonio, Bexar County, Texas
Status
Open to traffic
History
Built 1937
Builders
- Gibb Gilchrist of Wills Point, Texas (Bridge Engineer)
- McKenzie Construction Co. (Contractors)
- Virginia Bridge Co. of Roanoke, Virginia (Fabricators)
Railroads
- International & Great Northern Railroad (I&GN)
- Missouri Pacific Railroad (MP; MoPac)
- Union Pacific Railroad (UP)
Design
Two Deck plate girder with outriggers spans that sit parallel to each other
Dimensions
Length of largest span: 86.9 ft.
Total length: 91.9 ft.
Deck width: 35.0 ft.
Skew angle
45 degrees
Also called
San Pedro Underpass
I&GN Overpass
I&GN - San Pedro Avenue Overpass
Approximate latitude, longitude
+29.46842, -98.49928   (decimal degrees)
29°28'06" N, 98°29'57" W   (degrees°minutes'seconds")
Approximate UTM coordinates
14/548549/3259988 (zone/easting/northing)
Quadrangle map:
San Antonio East
Inventory numbers
TXNBI 150150B30500033 (Texas bridge number on the National Bridge Inventory)
BH 61975 (Bridgehunter.com ID)
Average daily traffic (as of 2005)
23,770

Update Log 

  • September 1, 2014: New Street View added by Ralph Demars
  • August 5, 2014: New photos from Royce and Bobette Haley
  • July 26, 2014: Updated by Luke: Added category "International & Great Northern Railroad"
  • July 26, 2014: Updated by Royce and Bobette Haley: import nbi

Sources 

  • Royce and Bobette Haley - roycehaley111 [at] yahoo [dot] com