Coraopolis is a borough in Allegheny County, Pennsylvania, United States, along the Ohio River. The population was 5,559 at the 2020 census.
Edgeworth is a borough in Allegheny County, Pennsylvania, United States, along the Ohio River, approximately 14 miles (22.5 km) northwest of Pittsburgh. The population was 1,669 at the 2020 census. Edgeworth is the wealthiest town in Pennsylvania.
Sewickley is a borough in Allegheny County, Pennsylvania, United States, 12 miles (19 km) west northwest of Pittsburgh along the Ohio River. It is a residential suburb of the Pittsburgh metropolitan area. The population was 3,907 at the 2020 census. The Sewickley Bridge crosses the Ohio River from Sewickley to Moon Township.
A cantilever bridge is a bridge built using structures that project horizontally into space, supported on only one end. For small footbridges, the cantilevers may be simple beams; however, large cantilever bridges designed to handle road or rail traffic use trusses built from structural steel, or box girders built from prestressed concrete.
A truss bridge is a bridge whose load-bearing superstructure is composed of a truss, a structure of connected elements, usually forming triangular units. The connected elements, typically straight, may be stressed from tension, compression, or sometimes both in response to dynamic loads. There are several types of truss bridges, including some with simple designs that were among the first bridges designed in the 19th and early 20th centuries. A truss bridge is economical to construct primarily because it uses materials efficiently.
The Three Sisters are three similar self-anchored suspension bridges spanning the Allegheny River in downtown Pittsburgh, Pennsylvania at 6th, 7th, and 9th streets, generally running north–south. The bridges have been given formal names to honor important Pittsburgh residents:
The Roberto Clemente Bridge, also known as the Sixth Street Bridge, spans the Allegheny River in downtown Pittsburgh, Pennsylvania, United States.
The American Bridge Company is a heavy/civil construction firm that specializes in building and renovating bridges and other large, complex structures. Founded in 1900, the company is headquartered in Coraopolis, Pennsylvania, a suburb of Pittsburgh. The firm has built many bridges in the U.S. and elsewhere; the Historic American Engineering Record notes at least 81. American Bridge has also built or helped build the Willis Tower, the Empire State Building, the Chrysler Building, launch pads, resorts, and more. During World War II, it produced tank landing ships (LSTs) for the United States Navy. In 2020, American Bridge Company was acquired by Southland Holdings LLC.
The Coraopolis Bridge is a girder bridge over the back channel of the Ohio River connecting Grand Avenue on Neville Island to Ferree Street in Coraopolis, Pennsylvania. It opened in 1995 to replace a structure of historic significance. The original Pratt/Bowstring/Pennsylvania through truss spans, designed by Theodore Cooper, were formerly the (third) Sixth Street Bridge, spanning the Allegheny River, in downtown Pittsburgh, and were built in 1892 by the Union Bridge Company. They were floated downstream by the Foundation Company in 1927 rather than being demolished when the bridge was removed to enable construction of the present (fourth) Three Sisters (Pittsburgh) Sixth Street Self-anchored suspension bridge. However, by the late 1980s, the old bridge could no longer support traffic volumes and was replaced by a newer structure.
The Beaver Bridge is a rail bridge spanning the Ohio River between Monaca and Beaver, Pennsylvania. It consists of two spans: a southern cantilever through truss of 769 feet (234 m) with 320-foot (98 m) anchor arms; and a northern camelback through truss of 370 feet (110 m). The bridge currently carries two tracks of CSX Transportation.
The Fort Wayne Railroad Bridge, listed as the Pennsylvania Railroad Bridge on the National Register of Historic Places, is a double-deck steel truss railroad bridge spanning the Allegheny River in Pittsburgh, Pennsylvania.
The West End Bridge is a steel tied-arch bridge over the Ohio River in Pittsburgh, Pennsylvania, approximately 1 mile (1.6 km) below the confluence of the Allegheny and Monongahela Rivers. It connects the West End to the Chateau neighborhood on the North Side of Pittsburgh.
The Ohio Connecting Railroad Bridge is a steel bridge which crosses the Ohio River at Brunot's Island at the west end of Pittsburgh, Pennsylvania, United States. It consists of two major through truss spans over the main and back channels of the river, of 508 feet (155 m) and 406 feet (124 m) respectively, with deck truss approaches.
The Ambridge–Aliquippa Bridge is a steel cantilever through truss bridge which crosses the Ohio River at Ambridge, Pennsylvania. The bridge was originally named the Ambridge-Woodlawn Bridge but was soon renamed Ambridge-Aliquippa when Woodlawn was eclipsed by the rapid expansion of the Aliquippa Works of the Jones & Laughlin Steel Company. Ambridge was incorporated in 1910 - named after the American Bridge Company which had significant operations along the Ohio River opposite the Jones & Laughlin Steel Company.
A continuous truss bridge is a truss bridge that extends without hinges or joints across three or more supports. A continuous truss bridge may use less material than a series of simple trusses because a continuous truss distributes live loads across all the spans; in a series of simple trusses, each truss must be capable of supporting the entire load.
Pennsylvania State Senate District 37 includes part of Allegheny County. It is currently represented by Republican Devlin Robinson.
The Fleming Park Bridge is a through truss bridge which spans the back channel of the Ohio River, between Neville Island and Stowe Township, PA. Although the Ohio River's back channel is only 590 feet wide, roughly 660 feet of this newer bridge was erected over water due to the unique 65 degree angle of the structure's trajectory.
The Ohio River Trail is composed of two trails: The Ohio Water Trail and the Ohio River Greenway Trail. The Ohio River Greenway Trail (ORGT) is a proposed route that would interconnect existing trails in Maryland, Pennsylvania, Ohio and West Virginia. The proposal is spearheaded by the Ohio River Trail Council (ORTC), a volunteer-led, non-profit organization. The ORTC is an Internal Revenue Service registered 501(c)(3) not-for-profit organization which relies on corporate, foundation, government, and private grants and donations to achieve its stated mission of creating a multi-use trail along the Ohio River and its tributaries. The Council is headquartered in Monaca, Pennsylvania.
The Beaver River Bridge is a bridge that carries the Pennsylvania Turnpike across the Beaver River in North Sewickley Township, Pennsylvania. Built in 1951 and opened in 1952, the 72-year-old bridge is being replaced with the construction of a new span to its north. The Beaver River Bridge has a total length of 1,546 ft (471 m) and a clearance below of 170 ft (52 m) making it higher than the Delaware River Bridge's 160 ft (49 m) clearance on the PA Turnpike's eastern terminus in Bucks County, but lower than the Hawk Falls Bridge's 190 ft (58 m) clearance on the Pennsylvania Turnpike's Northeast Extension in Carbon County. The Beaver River Bridge is an example of a mid-20th century cantilever deck truss with preservation groups making efforts to save it from demolition as its structural style is becoming rare. About 20,000 vehicles travel across the bridge each day.
The Straight Street Bridge is a vehicular bridge over the Passaic River in Paterson, New Jersey, that is listed on the National Register of Historic Places.
2 lanes of the Orange Belt 
