100 North Central Expressway

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100 North Central Expressway
General information
Status Complete
Type Office
Location 100 N Central Expressway
Dallas, Texas (USA)
Coordinates 32°46′58″N 96°47′27″W / 32.782656°N 96.790795°W / 32.782656; -96.790795Coordinates: 32°46′58″N 96°47′27″W / 32.782656°N 96.790795°W / 32.782656; -96.790795
Opening June 1960
Technical details
Floor count 12
Floor area 156,344 sq ft (14,524.8 m2)
Lifts/elevators 4
Design and construction
Developer Glenn Justice

100 North Central Expressway is a mid-rise Class B skyscraper located on the eastern edge of the Main Street District of downtown Dallas, Texas (USA).


The 12 story office building, located between Main Street and Elm Street along North Central Expressway, was announced in 1958 as the new home for Blue Cross Blue Shield of Texas. During construction in 1958 a stack of steel beams tumbled sixty feet to the basement level, killing one worker and injuring two others.[1] Despite the setback, the building opened for business in June 1960 and featured a curtain wall and masonry exterior and attached 7 story parking garage.[2] Blue Cross Blue Shield's 450 employees occupied the upper levels of the building, while lower levels were leased to other companies. The twelfth floor contained an employee cafeteria-auditorium.[3]

The building's location gave it prominence on the eastern edge of the downtown business district as it was mostly surrounded by low-rise early commercial structures. The roof of the building contained a large 113-foot (34 m) by 8½ foot electronic message sign; during the 93 second message cycle 10 different advertising and community messages could be flashed (with an 8-second pause between messages). Due to the 1973 City of Dallas sign ordinance banning rooftop signs, the message sign went dark in 1973.[4] The company applied for historic designation of the separate rotating Blue Cross sign, but after denial this sign was also removed.[5]

In 1982 the building was renovated after the departure of Blue Cross Blue Shield to new offices in Richardson. The building's exterior was removed and refitted with bronze, silver and gray glass in a modern design.[6]


  1. ^ "Steel Beams Fall at Project, Killing 1 Workman, Injuring 2." The Dallas Morning News. November 6, 1958.
  2. ^ "Dedication Set By Blue Cross." The Dallas Morning News. June 8, 1960.
  3. ^ "Firm to Construct 12-Story Building." The Dallas Morning News. April 20, 1958.
  4. ^ "Blue Cross Sign Closed By City Sign Ordinance." The Dallas Morning News. July 5, 1973.
  5. ^ "Landmark Sign Question Stirs Plan Commission." The Dallas Morning News. April 22, 1977.
  6. ^ Dillon, David. "RESKINNING THE SKYLINE - Wary of being outdone, older Dallas buildings get redone." The Dallas Morning News 5 December 1985, HOME FINAL, ARTS & ENTERTAINMENT: 1f. NewsBank. Web. 5 April 2010.

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