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Fern Hollow Bridge
The Fern Hollow Bridge is the name used for one of a series of three bridges in the East End (Pittsburgh), East End of Pittsburgh, Pennsylvania; each bridge carried Forbes Avenue over a large ravine in Frick Park. The first Fern Hollow Bridge opened in 1901 as a steel deck arch, and was demolished in 1972 while the second bridge was being built. The second bridge opened in 1973 and collapsed on January 28, 2022. Construction of the third bridge began on May 9, 2022, and the third bridge was dedicated on December 20, 2022. The bridge lies west of the intersection of Forbes Avenue and South Braddock Avenue, connecting the Squirrel Hill (Pittsburgh), Squirrel Hill neighborhood with the neighborhoods of Point Breeze, Pittsburgh, Point Breeze and Regent Square (Pittsburgh), Regent Square. First bridge (1901–1972) In February 1900, the "Councils of the city of Pittsburg" appropriated United States dollar, $100,000 for the construction of a street railway and highway bridge across Fe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
East End (Pittsburgh)
Pittsburgh ( ) is a city in the Commonwealth of Pennsylvania, United States, and the county seat of Allegheny County. It is the most populous city in both Allegheny County and Western Pennsylvania, the second-most populous city in Pennsylvania behind Philadelphia, and the 68th-largest city in the U.S. with a population of 302,971 as of the 2020 census. The city anchors the Pittsburgh metropolitan area of Western Pennsylvania; its population of 2.37 million is the largest in both the Ohio Valley and Appalachia, the second-largest in Pennsylvania, and the 27th-largest in the U.S. It is the principal city of the greater Pittsburgh–New Castle–Weirton combined statistical area that extends into Ohio and West Virginia. Pittsburgh is located in southwest Pennsylvania at the confluence of the Allegheny River and the Monongahela River, which combine to form the Ohio River. Pittsburgh is known both as "the Steel City" for its more than 300 steel-related businesses and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
American Institute Of Steel Construction
The American Institute of Steel Construction (AISC) is a not-for-profit technical institute and trade association A trade association, also known as an industry trade group, business association, sector association or industry body, is an organization founded and funded by businesses that operate in a specific Industry (economics), industry. An industry tra ... for the use of structural steel in the construction industry of the United States. AISC publishes the Steel Construction Manual, an authoritative volume on steel building structure design that is referenced in all U.S. building codes. References American engineering organizations {{nonprofit-org-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pittsburgh Bureau Of Fire
The Pittsburgh Bureau of Fire (PBF) provides fire suppression and prevention for the City of Pittsburgh, as well as BLS response on medical details. In all, the bureau is responsible for with a population of 305,841 as of the 2013 Census estimation. The Bureau was the first fire department in the United States to unionize and thus has the International Association of Fire Fighters (IAFF) local number of 1. The Fire Bureau provides fire/rescue services to the Borough of Wilkinsburg and Ingram Borough through the use of two engine companies. History The Bureau started out as a volunteer fire department and officially transitioned to a fully paid department on May 23, 1870. Over 30 years later in 1903 a group of Pittsburgh firefighters sought to improve working and living conditions of those serving in the department. They formed an association known as the City Fireman's Protective Association. By September 1903, the first International Association of Fire Fighters union was ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Port Authority Of Allegheny County
Pittsburgh Regional Transit (PRT, formerly Port Authority of Allegheny County) is the second-largest public transit agency in Pennsylvania and the 20th-largest in the United States. The state-funded agency is based in Pittsburgh and is overseen by a CEO and a nine-member board of unpaid volunteer directors, five of whom are appointed by the county executive and approved by the county council; and one each by the majority and minority leaders by each political party. After operating as the Port Authority of Allegheny County for most of its history, the agency rebranded under its current name in June 2022. In , the system had a ridership of . Pittsburgh Regional Transit's bus, light rail and funicular system covers Allegheny County. On some longer-distance routes, service extends into neighboring counties such as Beaver, Washington, and Westmoreland. These counties have their own transit systems, including several routes that run into downtown Pittsburgh, where riders can make ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pittsburgh Tribune-Review
The ''Pittsburgh Tribune-Review'', also known as "the Trib," is the second largest daily newspaper serving metropolitan Pittsburgh, Pennsylvania, in the United States. Although it transitioned to an all-digital format on December 1, 2016, it remains the second largest daily in the state, with nearly one million unique page views a month. Founded on August 22, 1811, as the ''Greensburg Gazette'' and in 1889 consolidated with several papers into the ''Greensburg Tribune-Review'', the paper circulated only in the eastern suburban counties of Westmoreland and parts of Indiana and Fayette until May 1992, when it began serving all of the Pittsburgh metropolitan area after a strike at the two Pittsburgh dailies, the ''Pittsburgh Post-Gazette'' and ''Pittsburgh Press'', deprived the city of a newspaper for several months. The Tribune-Review Publishing Company was owned by Richard Mellon Scaife, an heir to the Mellon banking, oil, and aluminum fortune, until his death in July 2014. Sca ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eastern Time Zone
The Eastern Time Zone (ET) is a time zone encompassing part or all of 23 states in the eastern part of the United States, parts of eastern Canada, the state of Quintana Roo in Mexico, Panama, Colombia, mainland Ecuador, Peru, and a small portion of westernmost Brazil in South America, along with certain Caribbean and Atlantic islands. Places that use: * Eastern Standard Time (EST), when observing standard time (autumn/winter), are five hours behind Coordinated Universal Time ( UTC−05:00). * Eastern Daylight Time (EDT), when observing daylight saving time (spring/summer), are four hours behind Coordinated Universal Time ( UTC−04:00). On the second Sunday in March, at 2:00 a.m. EST, clocks are advanced to 3:00 a.m. EDT leaving a one-hour "gap". On the first Sunday in November, at 2:00 a.m. EDT, clocks are moved back to 1:00 a.m. EST, thus "duplicating" one hour. Southern parts of the zone (Panama and the Caribbean) do not observe daylight saving time ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Transportation Safety Board
The National Transportation Safety Board (NTSB) is an independent U.S. government investigative agency responsible for civil transportation accident investigation. In this role, the NTSB investigates and reports on aviation accidents and incidents, certain types of highway crashes, ship and marine accidents, pipeline incidents, bridge failures, and railroad accidents. The NTSB is also in charge of investigating cases of hazardous materials releases that occur during transportation. The agency is based in Washington, D.C. It has four regional offices, located in Anchorage, Alaska; Denver, Colorado; Ashburn, Virginia; and Seattle, Washington. The agency also operates a national training center at its Ashburn facility. History The origin of the NTSB was in the Air Commerce Act of 1926, which assigned the United States Department of Commerce responsibility for investigating domestic aviation accidents. Before the NTSB, the Federal Aviation Administration's (FAA; at the t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
University Of Pittsburgh
The University of Pittsburgh (Pitt) is a public state-related research university in Pittsburgh, Pennsylvania. The university is composed of 17 undergraduate and graduate schools and colleges at its urban Pittsburgh campus, home to the university's central administration and around 28,000 undergraduate and graduate students. The 132-acre Pittsburgh campus includes various historic buildings that are part of the Schenley Farms Historic District, most notably its 42-story Gothic revival centerpiece, the Cathedral of Learning. Pitt is a member of the Association of American Universities and is classified among "R1: Doctoral Universities – Very high research activity". It is the second-largest non-government employer in the Pittsburgh metropolitan area. Pitt traces its roots to the Pittsburgh Academy founded by Hugh Henry Brackenridge in 1787. While the city was still on the edge of the American frontier at the time, Pittsburgh's rapid growth meant that a proper university was so ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
3-1-1
3-1-1 is a special telephone number supported in many communities in Canada and the United States. The number provides access to non-emergency municipal services. The number format follows the N11 code for a group of short, special-purpose local numbers as designated in the North American Numbering Plan. The telephone number 3-1-1 creates a central hub for local subscribers to access a variety of city services. It is intended, in part, to divert routine inquiries and non-urgent community concerns from the 9-1-1 number which is reserved for emergency service. A promotional website for 3-1-1 in Akron described the distinction as follows: "Burning building? Call 9-1-1. Burning question? Call 3-1-1." Many cities also accept 3-1-1 comments through online interfaces. An ''Open 311'' application programming interface is also available for these services. History The first use of 3-1-1 for informational services was in Baltimore, Maryland, where the service commenced on 2 October 1996. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Twitter
Twitter is an online social media and social networking service owned and operated by American company Twitter, Inc., on which users post and interact with 280-character-long messages known as "tweets". Registered users can post, like, and 'Reblogging, retweet' tweets, while unregistered users only have the ability to read public tweets. Users interact with Twitter through browser or mobile Frontend and backend, frontend software, or programmatically via its APIs. Twitter was created by Jack Dorsey, Noah Glass, Biz Stone, and Evan Williams (Internet entrepreneur), Evan Williams in March 2006 and launched in July of that year. Twitter, Inc. is based in San Francisco, California and has more than 25 offices around the world. , more than 100 million users posted 340 million tweets a day, and the service handled an average of 1.6 billion Web search query, search queries per day. In 2013, it was one of the ten List of most popular websites, most-visited websites and has been de ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fern Hollow Bridge Pier (2015)
A fern (Polypodiopsida or Polypodiophyta ) is a member of a group of vascular plants (plants with xylem and phloem) that reproduce via spores and have neither seeds nor flowers. The polypodiophytes include all living pteridophytes except the lycopods, and differ from mosses and other bryophytes by being vascular, i.e., having specialized tissues that conduct water and nutrients and in having life cycles in which the branched sporophyte is the dominant phase. Ferns have complex leaves called megaphylls, that are more complex than the microphylls of clubmosses. Most ferns are leptosporangiate ferns. They produce coiled fiddleheads that uncoil and expand into fronds. The group includes about 10,560 known extant species. Ferns are defined here in the broad sense, being all of the Polypodiopsida, comprising both the leptosporangiate (Polypodiidae) and eusporangiate ferns, the latter group including horsetails, whisk ferns, marattioid ferns, and ophioglossoid ferns. Ferns first ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Bridge Inventory
The National Bridge Inventory (NBI) is a database, compiled by the Federal Highway Administration, with information on all bridges and tunnels in the United States that have roads passing above or below them. That is similar to the grade-crossing identifier number database, compiled by the Federal Railroad Administration, which identifies all railroad crossings. The bridge information includes the design of the bridge and the dimensions of the usable portion. The data is often used to analyze bridges and to judge their condition. The inventory is developed for the purpose of having a unified database for bridges to ensure the safety of the traveling public, as required by the Federal Aid Highway Act of 1968. It includes identification information, bridge types and specifications, operational conditions, bridge data including geometric data and functional description, and inspection data. Any bridge more than 20 ft (6 m) long used for vehicular traffic is included. Description Iden ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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