11th Street Bridge (Tulsa)
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11th Street Bridge
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| Location | Tulsa, Oklahoma |
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| Coordinates | 36°08′35″N 96°00′17″W / 36.1429455°N 96.0046506°W |
| Built | 1915 |
| Architect | Harrington, Howard and Ash |
| NRHP reference # | 96001488 |
| Added to NRHP | 1996 |
The 11th Street Bridge was completed in December 1915 to carry vehicles across the Arkansas River at Tulsa, Oklahoma. Used from 1916 to 1972, it was also a part of U.S. Route 66. Functionally, it has been replaced by the I-244 bridges across the Arkansas. At present, the bridge is in poor structural condition and unsafe even for pedestrians. In 2008, the gates were locked to exclude all visitors.
This bridge was added on December 13, 1996, to the National Register of Historic Places under Criteria A and C. Its NRIS number is 96001488. It was named the "Cyrus Avery Route 66 Memorial Bridge in 2004.
Although the bridge still stands, it is considered unsafe for use and has been closed to vehicles since 1980 and to pedestrians since 2008.
Engineered by Harrington, Howard and Ash of Kansas City, this bridge replaced an earlier wooden structure. It was built by the Missouri Valley Bridge and Iron Company for $180,000. A multi-span concrete arch bridge, with 18 spans, it was 1,470 feet (450 m) long and 34 feet (10 m) wide. It had a railroad track in the center and one vehicular lane on each side of the track.
At the time, it was notable for several reasons:
In 1929, the original balustrades and Victorian-style lights were replaced with Art Deco guardrails and lights. A 1934 project constructed a second arched bridge immediately downstream and connected both bridges with a single deck. This brought the deck width to 52 feet 8 inches, with a roadbed that was 40 feet (12 m) wide and accommodated four lanes of traffic.
Completion of the I-244 bridges in 1967 removed most vehicular traffic from the 11th street bridge. In 1980, it was closed to traffic, although it remained open to pedestrians. In 1996, it was added to the National Register of Historic Places. In 2004, the City of Tulsa, Oklahoma, formally renamed the Eleventh Street Bridge (which carried US 66 over the Arkansas River), the Cyrus Avery Route 66 Memorial Bridge in honor of the man who vigorously promoted the creation of Route 66.
Time has not been good to the old bridge, and it has been rated as "quite dangerous" and unsafe for pedestrians by the City of Tulsa. There are holes in the deck, the pavement has buckled in many places, and weeds grow in the cracks. The gates were locked in 2008. Although it was considered as the centerpiece of a Route 66 exhibit, engineers estimated that it would cost $15 million just to be made safe for pedestrians. The conclusion was that the historic structure is "... too expensive to repair, too historic to demolish, and too valuable to ignore".
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Wikipedia