Sundial 518
- Dial City: Redding
- Dial State/Province: California
- Dial Country: USA
- Lat: 40° 35.579' N
- Dial Nr: 518
- Dial Type: Horizontal Dial
- Dial Access: Public
- Lon: 122° 22.650' W
- Dial Owner: City of Redding
- Dial Designer: Santiago Calatrava
- Dial Maker: Kiewit Pacific Co. (Vancouver, Wash.)
- Dial Date: Dedicated July 4th 2004
- Location:
- At Turtle Bay Exploration Park crossing the Sacramento River
- Description:
- When is a bridge not a bridge? When it's almost a sundial. The 217 foot high suspension span called Sundial Bridge wants to be a sundial, and has come very close. The suspension pylon is aligned true north, but unfortunately performs as an inaccurate gnomon with an inclination of 49 deg (for bridge functionality) rather than for the 40.6 deg latitude of the site. The bridge is 700 feet long and weighs 1,600 tons. Funding for the bridge comes from the McConnell Foundation, Redding Redevelopment Agency, Federal Highway Administration, and Turtle Bay Exploration Park
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