New Zealand's Bridges: Port Hills Overbridges across Route 73 in Chirstchurch (1) by Mark Yashinsky is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.
|March 2011 (-43.573 Degrees, 172.695 Degrees) Port Hills Overbridges|
Driving south from Christhchurch to Lyttleton are these six span precast, voided slab bridges on hammerhead bents. At least one of these bridges was built in 1970 and the other may have been built later. If you look closely you can see the bridges were retrofitted with braces and brackets to hold it together during an earthquake. Another nice detail is the column by the far abutment, which is the same length as the others but isolated from the surrounding embankment with a hollow casing.
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