John O'Connell Bridge | |
|---|---|
 The John O'Connell Bridge over the Sitka Channel | |
| Coordinates | 57°02′52″N 135°20′26″W / 57.047899°N 135.340627°W |
| Carries | 2 lanes of AK-935 |
| Crosses | Sitka Channel |
| Locale | Sitka, Alaska |
| Characteristics | |
| Design | Cable-stayed bridge |
| Material | Steel (pylons)[1] composite steel-reinforced concrete (deck)[1] |
| Total length | 1,255 feet (383 m) |
| Width | 38 feet (11.6 m) |
| Longest span | 450 feet (137 m) |
| Clearance below | 52 feet (15.8 m) |
| History | |
| Construction end | 1971[1] |
| Opened | 1972 |
| Statistics | |
| Daily traffic | 4,900 (2008) |
| Location | |
 | |
The John O'Connell Bridge is a cable-stayed bridge over the Sitka Channel located in Sitka, Alaska. The bridge connects the town of Sitka on Baranof Island to the airport and Coast Guard Station on Japonski Island. Until the bridge was completed in 1971, the commute was only achievable through a ferry service. The bridge is named after John W. O'Connell, a former mayor of Sitka.[2] The two-lane bridge is 1,255 feet (383 m) in total length, with a main span of 450 feet (140 m).[3] The bridge was also the United States' first vehicular cable-stayed girder spanned bridge.[4] The four 100-foot-high (30 m) steel pylons carry two three-cable sets, each carrying a section of the bridge deck.[5][6] Special consideration was given to the bridge's aesthetics due to its proximity to nearby Castle Hill.[2]
Approximately 4000 vehicles cross the bridge every day,[2] up from the approximate 1000 shore boat passengers per day prior to the bridge's completion.[7]
A man from Bellingham, Washington, died in August 2015 after jumping off the bridge to swim ashore.[8]
The bridge was designated as an Alaska Historic Civil Engineering Landmark by the American Society of Civil Engineers in 2022.[9]
YouTube Encyclopedic
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1/3Views:27 083665721
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Dublin, Ireland: A detailed tour of the city and suburbs (filmed May / June / July 2016)
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Easter Rising Centenary Parade, O'Connell Bridge, March 27th 2016
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Crossing the Hale Boggs Memorial Bridge (aka Luling-Destrehan Bridge) Louisiana USA
Transcription
See also
- Captain William Moore Bridge, the only cantilever cable-stayed bridge in Alaska
- List of bridges documented by the Historic American Engineering Record in Alaska
References
- ^ a b c O'Connell Bridge at Structurae
- ^ a b c Haugland, Shannon (9 September 2022), "Sitkans to Celebrate Bridge's 50th Year", Daily Sitka Sentinel, p. 1
- ^ 2019 Bridge & Tunnel Inventory Report (PDF) (Report). Alaska Department of Transportation & Public Facilities, Bridge Section.
- ^ Hoagland, Kim (1993). "O'Connell Bridge". Historic American Engineering Record. Washington, D.C.: Library of Congress. Retrieved January 8, 2022.
- ^ "Where Did the Russians Settle in Alaska?". Archived from the original on 2010-08-20. Retrieved 2010-05-28.
- ^ "O'Connell Bridge, Sitka, Alaska". www.johnweeks.com.
- ^ "Sitka Yesterday", Daily Sitka Sentinel, p. 2, 2 September 2022
- ^ "Bellingham man dies after jump from Alaska bridge". The Seattle Times. Associated Press. 2015-08-24. Retrieved 2020-09-12.
- ^ Unterreiner, Aaron (1 November 2022). "ASCE Alaska Section Historic Civil Engineering Landmark Designation". Civil + Structural Engineer. Retrieved 2022-11-05.
External links
- Historic American Engineering Record (HAER) No. AK-27, "O'Connell Bridge, Sitka Harbor, Sitka, Sitka Borough, AK", 1 photo, 1 photo caption page
- HAER No. AK-33, "Japonski Bridge, Sitka, Sitka Borough, AK", 1 photo, 1 photo caption page
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This page was last edited on 27 September 2023, at 19:14