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
Average daily traffic (as of 2013)
46,930
Inventory numbers
TXNBI 142270011313093 (Texas bridge number on the National Bridge Inventory)
BH 60572 (Bridgehunter.com ID)
Inspection report (as of August 2015)
Overall condition: Fair
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Fair (5 out of 9)
Deck condition rating: Fair (5 out of 9)
Sufficiency rating: 61 (out of 100)
View more at BridgeReports.com

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