Rating:
2 votes

Pennybacker Bridge

Photos 

Pennybacker Bridge from the west

Pennybacker Bridge over Lake Austin, viewed from a high bluff in Emma Long Metropolitan Park, with recreational boats underneath.

Photo taken by Roger Deschner in December 1989

License: Creative Commons Attribution-Share-Alike (CC BY-SA)

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BH Photo #281130

Map 

Street View 

Description 

Attractive weathering-steel through arch bridge, carrying 4 lanes of Texas Loop 360 "Capital of Texas Highway" plus a 6-foot wide bicycle/pedestrian path, over Lake Austin (dammed Colorado River). The bridge is named for Percy Pennybacker, who designed bridges for the Texas Highway Department and was a pioneer in the technology of welded structures.

Facts 

Overview
Steel through arch bridge over Lake Austin/Colorado River on Texas Loop 360
Location
Austin, Travis County, Texas
Status
Open to traffic
History
Opened to traffic December 3, 1982
Builders
- Bristol Steel of Davison, Mississippi
- ClearWater Constructors of Mercer, Pennsylvania
Design
Steel through arch, made of weathering steel
Dimensions
Length of largest span: 599.1 ft.
Total length: 1,150.0 ft.
Deck width: 75.1 ft.
Also called
Capital of Texas Highway Bridge
360 Bridge
Approximate latitude, longitude
+30.34996, -97.79699   (decimal degrees)
30°20'60" N, 97°47'49" W   (degrees°minutes'seconds")
Approximate UTM coordinates
14/615622/3358178 (zone/easting/northing)
Quadrangle map:
Austin West
Inventory numbers
TXNBI 142270011313093 (Texas bridge number on the National Bridge Inventory)
BH 60572 (Bridgehunter.com ID)
Inspection (as of 08/2015)
Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Fair (5 out of 9)
Sufficiency rating: 61.0 (out of 100)
Average daily traffic (as of 2013)
46,930

Update Log 

  • June 28, 2014: New photos from Royce and Bobette Haley
  • April 2, 2014: Added by Roger Deschner

Sources 

  • Todd Wilson
  • Roger Deschner - rogerdeschner [at] gmail [dot] com
  • Wikipedia
  • Royce and Bobette Haley - roycehaley111 [at] yahoo [dot] com