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Houston Street Viaduct - Dallas, TX
Posted by: Groundspeak Regular Member WalksfarTX
N 32° 46.142 W 096° 48.612
14S E 705114 N 3627805
Quick Description: Extending across the Trinity River and connecting the Dallas Central Business District with the early suburb of Oak Cliff, the Houston Street Viaduct is one of the longest viaducts with reinforced-concrete arches ever built.
Location: Texas, United States
Date Posted: 4/7/2019 7:47:23 PM
Waymark Code: WM10BH7
Published By: Groundspeak Premium Member silverquill
Views: 0

Long Description:
NRHP Nomination Form

"The reinforced concrete viaduct between Dallas and Oak Cliff is 6,562 feet long, 56 feet wide overall, and has a roadway of 44 feet with two 4.5-foot sidewalks. It is made of fifty-one, 79'6" arches, a steel girder 100 feet in length spanning the Trinity River, and 16 panels of concrete bents and girders next to the approaches. The crossing of Lancaster Avenue in Oak Cliff from the last pier to the abutments consists of six panels of girder design. Beyond this is an earthen approach 787 feet in length.

Laying of concrete was facilitated by a rigid tower and chute moving on a track next to the viaduct. Bents and girders were poured continuously using two shifts when necessary. Slabs and floor members were also continuously poured. Because of a drought during the construction of the viaduct, raw sewage was used in the concrete mixture.

All arch piers rest upon timber piles except for the easternmost abutment arch, which rests upon bedrock a few feet below the ground surface. Piles were driven into the ground and concrete was poured around them for a firm foundation.

Arches rest upon cross walls which are supported by three columns. Vertical supports rest upon cross walls and reinforced concrete arches. These vertical members support longitudinal girders which in turn support the floor slab.

One of the extraordinary features of the Houston Street Viaduct is the use of rocker bearings for girders. On one end, the longitudinal girders are rigidly attached to the reinforced corner brackets. On the other end, the girders rest in a socket formed by two bent copper plates extending the full width of the girders. The lower plate rests on the cross girder and the upper plate is fastened to the longitudinal girder. Both plates are connected by reinforcing bars just above each socket, but a cleavage plane is left between them to permit rotation. All girders are, therefore, discontinuous and designed as simple beams."

Street address:
Houston Street between Arlington St & Lancaster Ave.
Dallas, TX USA

County / Borough / Parish: Dallas County

Year listed: 1984

Historic (Areas of) Significance: Architecture/Engineering, Event

Periods of significance: 1900-1924

Historic function: Transportation

Current function: Transportation

Privately owned?: no

Primary Web Site: [Web Link]

Secondary Website 1: [Web Link]

Season start / Season finish: Not listed

Hours of operation: Not listed

Secondary Website 2: Not listed

National Historic Landmark Link: Not listed

Visit Instructions:
Please give the date and brief account of your visit. Include any additional observations or information that you may have, particularly about the current condition of the site. Additional photos are highly encouraged, but not mandatory.
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WalksfarTX visited Houston Street Viaduct - Dallas, TX 8/17/2019 WalksfarTX visited it