145,000 cubic metres of reinforced concrete were used in the bridge substructure and approach viaducts.
Snow Clearance
Dartford River Crossing has contingencies for
keeping the traffic flowing in all weather
conditions including heavy snow and ice.
Dartford River Crossing has contingencies for
keeping the traffic flowing in all weather
conditions including heavy snow and ice.
Four ventilation buildings are situated directly
above the tunnels. Axial flow fans replace
polluted air which is extracted through
large chimneys
Total Bridge Length
The total length of the bridge including
the approach viaducts is 2.872 kilometres.
The total length of the bridge including
the approach viaducts is 2.872 kilometres.
Replacing the Road Deck
The east tunnel road deck was replaced during
the nights in prefabricated 45 tonne sections.
The tunnel was open to traffic as normal during daytimes throughout duration of the works.
The east tunnel road deck was replaced during
the nights in prefabricated 45 tonne sections.
The tunnel was open to traffic as normal during daytimes throughout duration of the works.
Each patrol vehicle travels at an average
of 40,000 miles per annum within the
concession area.
Main Span
The main span is 450 metres, with the road deck 65 metres above the river providing at least 57.5 metres clearance over the width of the navigational channel.
The main span is 450 metres, with the road deck 65 metres above the river providing at least 57.5 metres clearance over the width of the navigational channel.
For a bigger and more detailed picture selection why not go to the Photo Gallery .
Pylons
84 metre high steel pylons are located above
53 metre high concrete piers giving the bridge
a total height of 137 metres. From these the road
deck is suspended by cables.
84 metre high steel pylons are located above
53 metre high concrete piers giving the bridge
a total height of 137 metres. From these the road
deck is suspended by cables.
The tunnels undergo a regular programme of
water jet spray cleaning and have to be
washed weekly during the winter months.
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© Le Crossing Company 2003
Operating the Dartford-Thurrock Crossing on behalf of the Highways Agency. Email admin@lecrossing.co.uk |