A photograph of damage to the Ferrymead Bridge.
A photograph of damage to the Ferrymead Bridge.
A badly-damaged bridge between Avonside Drive and River Road in Avonside.
A badly-damaged bridge between Avonside Drive and River Road in Avonside.
Cars driving over the damaged Gayhurst Road Bridge. The approach to the bridge has been re-sealed, but gaps at the sides of the road show the relative movement of bridge and land.
Cars driving over the damaged Gayhurst Road Bridge. The approach to the bridge has been re-sealed, but gaps at the sides of the road show the relative movement of bridge and land.
A photograph of a damaged bridge. The photograph is captioned by Paul Corliss, "Little Hagley Park".
A photograph captioned by Paul Corliss, "Bridge Street, South Brighton".
A photograph of a detour sign on Ferry Road.
A car drives across the damaged Dallington bridge. The bridge has visibly moved relative to the road, leaving a large gap, which road cones have been placed in. The photographer comments, "Service pipes snapped as the land sank but the bridge remained".
A car drives across the damaged Dallington bridge. The bridge has visibly moved relative to the road, leaving a large gap, which road cones have been placed in. The photographer comments, "Service pipes snapped as the land sank but the bridge remained".
A badly-damaged bridge between Avonside Drive and River Road in Avonside.
A vehicle drives onto the damaged Dallington bridge. The land has slumped relative to the bridge, leaving the approach road at a steep incline. The photographer comments, "Dallington Bridge northern approach, Gayhurst Rd".
A car drives onto the damaged Dallington bridge. The bridge has visibly moved relative to the road, there is a large gap at the side of the bridge, and the railings are warped.
A vehicle drives onto the damaged Dallington bridge. The land has slumped relative to the bridge, leaving the approach road at a steep incline. The photographer comments, "Dallington Bridge northern approach, Gayhurst Rd".
A car drives onto the damaged Dallington bridge. The bridge has visibly moved relative to the road, there is a large gap at the side of the bridge, and the railings are warped. The photographer comments, "Dallington Bridge northern approach, Gayhurst Rd".
A car drives onto the damaged Dallington bridge. The bridge has visibly moved relative to the road, there is a large gap at the side of the bridge, and the railings are warped. The photographer comments, "Dallington Bridge northern approach, Gayhurst Rd".
A man takes a photograph of the damaged Dallington bridge. The bridge has visibly moved relative to the road, there is a large gap at the side of the bridge, and the railings are warped. The photographer comments, "Dallington Bridge, north side".
A car drives onto the damaged Dallington bridge. The bridge has visibly moved relative to the road, there is a large gap at the side of the bridge, and the railings are warped. The photographer comments, "Dallington Bridge, north side".
A view of the Medway Street footbridge through a safety fence that is blocking access to it. The bridge links Avonside Drive and River Road. It was damaged in the 4 September 2010 earthquake.
Damage to River Road in Richmond. The road surface is badly cracked and slumped, and liquefaction silt covers part of the road. Two people in gumboots walk towards a barrier erected across the road using road cones and warning tape, and in the background the badly twisted Medway Street bridge can be seen. The photographer comments, "Longitudinal cracks indicate lateral movement as the land sagged towards the river. Near 373 River Rd, looking south-east towards Medway St. The Medway St bridge is visible in the background".
Photograph captioned by BeckerFraserPhotos, "A view looking south down Colombo Street from the bridge over the River Avon. The road damage in the foreground is where the bridge begins".
A photograph looking west down Cashel Street towards the Bridge of Remembrance. Rubble from earthquake-damaged buildings is piled on the road in the distance. Wire fencing has been placed in front of a seating area to the left and around a building in the distance.
The region in and around Christchurch, encompassing Christchurch city and the Selwyn and Waimakariri districts, contains more than 800 road, rail, and pedestrian bridges. Most of these bridges are reinforced concrete, symmetric, and have small to moderate spans (15–25 m). The 22 February 2011 moment magnitude (Mw) 6.2 Christchurch earthquake induced high levels of localized ground shaking (Bradley and Cubrinovski 2011, page 853 of this issue; Guidotti et al. 2011, page 767 of this issue; Smyrou et al. 2011, page 882 of this issue), with damage to bridges mainly confined to the central and eastern parts of Christchurch. Liquefaction was evident over much of this part of the city, with lateral spreading affecting bridges spanning both the Avon and Heathcote rivers.