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Elevated Bridge for Electric
Railway
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Country
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Current Developments
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US
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 1933
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Weathering steel first developed and
introduced to the US market. |
| 1964
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Weldable weathering steel applied to bridge
construction for the first time
(New Jersey Turnpike) |
| 1997
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There are roughly 4,500 weathering steel
bridges.
Among steel bridges, 45% of newly built bridges
are weathering steel bridges. |
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Japan
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| 1955: |
Weathering steel first developed and
introduced to the market. |
| 1967: |
Uncoated atmospheric corrosion resistant
steel first applied to steel bridges. |
| 1988: |
Suspension bridge and cabled stayed bridge
are built with atmospheric corrosion
resistant steel. |
| 1997: |
There are about 1,500 atmospheric corrosion
resistant bridges
(taking up 5"<7% of total steel bridges). |
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Korea
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| 1987
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Weathering steel is developed. (US Oregon
State Burlington Bridge) |
| 1991
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Weathering steel is actively manufactured
and sold in the domestic market. |
| 1992: |
Korea's first uncoated weathering steel
bridge is built.
(Majung Pedestrian Bridge) |
| 2000: |
There are about 15 weathering steel bridges
either completed or under construction. |
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Other Nations
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| Germany
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In 1969, Germany first started
to use uncoated weathering steel sheet. |
| UK:
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In 1972, the UK started to apply
weathering steel and there are about 100 weathering
steel bridges today. |
| Canada: |
About 90%of the total bridge
construction contract use weathering steel. |
| Other
countries: |
Italy, Switzerland, Spain, Finland,
the Netherlands, the Middle Eastern countries,
Brazil |
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