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Tower Bridge (Sacramento)

Tower Bridge
Tower Bridge Sacramento edit.jpg
The Tower Bridge just after sunset
Coordinates 38°34′50″N 121°30′30″W / 38.580556°N 121.508333°W / 38.580556; -121.508333Coordinates: 38°34′50″N 121°30′30″W / 38.580556°N 121.508333°W / 38.580556; -121.508333
Carries Cars, pedestrians, and previously railroad on 4 lanes of SR 275
Crosses Sacramento River
Locale West Sacramento and Sacramento, California
Maintained by Caltrans
NBI 22 0021
Characteristics
Design Vertical lift bridge
Total length 737 ft (225 m)
Width 52 ft (16 m)
Height 160 ft (49 m)
Longest span 209 ft (64 m) lift span
No. of spans 8
Piers in water 2
Clearance below 100 ft (30 m) above high water
History
Architect Alfred Eichler
Constructed by George Pollock & Company
Construction cost US$994,000 (equivalent to $17,360,000 in 2016)
Opened December 15, 1935
Replaces

1910 Sacramento Northern Railway swing through-truss bridge

Tower Bridge
Architect Alfred Eichler
Architectural style Span Drive Type
NRHP reference # 82004845
Designated  1982
References

1910 Sacramento Northern Railway swing through-truss bridge

The Tower Bridge is a Vertical lift bridge across the Sacramento River, linking West Sacramento in Yolo County to the west, with the capital of California, Sacramento, in Sacramento County to the east. It was previously a part of U.S. Route 40 until that highway was truncated to east of Salt Lake City. The bridge is maintained by the California Department of Transportation as part of State Route 275 and connects West Capitol Avenue and Tower Bridge Gateway in West Sacramento with the Capitol Mall in Sacramento.

In 1982, the Tower Bridge was added to the National Register of Historic Places.

The Tower Bridge replaced the 1911 M Street Bridge in Sacramento, which was originally a swing through-truss railroad bridge. Later, 9-foot (2.7 m) roadway sections were added as cantilevered sections on both sides of the existing rail bridge. Sacramento's population more than doubled between 1910 and 1935, rendering the existing bridge inadequate to handle heavy traffic. In 1933, the city realized that it needed a better crossing over the Sacramento River in case of war.

On December 22, 1933, the State of California, Sacramento County, and the Sacramento Northern Railway held a conference to plan the new bridge, with an agreement reached on March 8, 1934. Under the terms of the agreement, Sacramento Northern Railway relinquished its rights to the 1911 M Street Bridge in return for the rights to rail traffic over the new bridge until March 21, 1960, which was the original expiration date of its franchise to operate rail traffic over the 1911 bridge. Construction commenced on July 20, 1934. Road traffic was diverted to the I Street Bridge, and rail traffic was diverted to a temporary timber-and-steel "shoofly" bridge approximately 75 ft (23 m) of the existing M Street Bridge.


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