Neville Island Bridge
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The Neville Island Bridge is a
tied arch bridge A tied-arch bridge is an arch bridge in which the outward horizontal forces of the arch(es) caused by tension at the arch ends to a foundation are countered by equal tension of its own gravity plus any element of the total deck structure such grea ...
which carries Interstate 79 and the Yellow Belt across the Ohio River and over
Neville Island Neville Township is a township in Allegheny County, Pennsylvania, United States. Its land area consists entirely of Neville Island, which is an island on the Ohio River. The population was 1,084 at the 2010 census. History The island was form ...
, west of
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 Pennsylva ...
,
Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
.


Construction

Opening in 1976, after five years of construction, the Neville Island Bridge was the last link to finish on the 180 mile long I-79. It is also the second longest single spanning bridge in Allegheny County. The engineers, affiliated with the
Pennsylvania Department of Transportation The Pennsylvania Department of Transportation (PennDOT) oversees transportation issues in the Commonwealth of Pennsylvania. The administrator of PennDOT is the Pennsylvania Secretary of Transportation, currently Yassmin Gramian. Presently, Pe ...
(PennDot), developed the bridge with a 125' arch.


Problems

In 1977, a crack was discovered in the bridge. The bridge was immediately closed to traffic and remained closed until repairs could be performed. It was determined that the crack was not due to poor bridge design, but due to a failed weld.


Improvements

During 2010 PennDot completed a $20.8 million improvement of I-79, Neville Island Bridge as well as other intersections. A new restoration project formally began in August of 2021; lane closures had been in effect on the northbound lanes since June.
PennDOT The Pennsylvania Department of Transportation (PennDOT) oversees transportation issues in the Commonwealth of Pennsylvania. The administrator of PennDOT is the Pennsylvania Secretary of Transportation, currently Yassmin Gramian. Presently, P ...
contracted The Trumbull Corporation to complete the repairs at a cost of $43 million USD. Renovations include structural steel repairs, full structure painting, bearing and deck joint replacements, deck repairs and overlays, bridge barrier repair, substructure concrete work and drainage improvements. Work on the southbound lanes is expected to commence in 2022. The project includes long-term closure of the entrance ramp to
I-79 Interstate 79 (I-79) is an Interstate Highway in the eastern United States, designated from I-77 in Charleston, West Virginia, north to Pennsylvania Route 5 (PA 5) and PA 290 in Erie, Pennsylvania. It is a primary thoroughfare ...
from Grand Avenue, detoured via
Neville Island Neville Township is a township in Allegheny County, Pennsylvania, United States. Its land area consists entirely of Neville Island, which is an island on the Ohio River. The population was 1,084 at the 2010 census. History The island was form ...
, the
Coraopolis Bridge 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 orig ...
,
Pennsylvania Route 51 Pennsylvania Route 51 (PA 51) is a major state highway in Western Pennsylvania. It runs for from Uniontown to the Ohio state line near Darlington, where it connects with Ohio State Route 14. PA 51 is the termination point for Pennsylvania R ...
South, and to Exit 64. The on ramp has since reopened.


See also

*
List of crossings of the Ohio River This is a complete list of current bridges and other crossings of the Ohio River from the mouth at the Mississippi River at Cairo, Illinois to the confluence of the Allegheny and Monongahela Rivers at Pittsburgh, Pennsylvania. Illinois–Kentuc ...


References

{{Crossings navbox , structure = Bridges , place = Ohio River , bridge = Neville Island Bridge , bridge signs = , upstream = McKees Rocks Bridge , upstream signs = , downstream = Sewickley Bridge , downstream signs = SR 4025 Bridges over the Ohio River Bridges completed in 1976 Tied arch bridges in the United States Bridges in Allegheny County, Pennsylvania Road bridges in Pennsylvania Interstate 79 Bridges on the Interstate Highway System 1976 establishments in Pennsylvania Steel bridges in the United States