| Image | Crossing | Carries | Location | Coordinates |
| Allegheny County |
 | Fort Pitt Bridge |  
   I-376 / US 19 Truck / US 22 / US 30 | Pittsburgh | 40°26′20″N 80°00′40″W / 40.4388°N 80.0111°W / 40.4388; -80.0111 |
 | Smithfield Street Bridge | Smithfield Street | 40°26′06″N 80°00′07″W / 40.4351°N 80.0020°W / 40.4351; -80.0020 |
 | Panhandle Bridge | Port Authority T Light Rail Line | 40°25′59″N 79°59′53″W / 40.43306°N 79.99806°W / 40.43306; -79.99806 |
 | Liberty Bridge | | 40°25′58″N 79°59′48″W / 40.4328°N 79.9968°W / 40.4328; -79.9968 |
 | Philip Murray Bridge (South Tenth Street Bridge) | South Tenth Street | 40°25′57″N 79°59′21″W / 40.43250°N 79.98917°W / 40.43250; -79.98917 |
 | Birmingham Bridge | | 40°26′00″N 79°58′25″W / 40.433361°N 79.973499°W / 40.433361; -79.973499 |
 | Hot Metal Bridge | Hot Metal Street | Part of the Great Allegheny Passage rail/bike trail. |
 | Glenwood Bridge |  PA 885 | |
 | Glenwood B&O Railroad Bridge | Allegheny Valley Railroad | |
 | Homestead Grays Bridge (Homestead High Level Bridge) |  Blue Belt | Pittsburgh and Homestead | |
 | Munhall P&LE Railroad Bridge (Pinkerton's Landing Bridge) | CSX Pittsburgh Subdivision | Rankin and Munhall | |
.jpg) | Carrie Furnace Hot Metal Bridge (abandoned) | former Pennsylvania Union Railroad line | Rankin and Whitaker | |
 | George Rankin, Jr. Memorial Bridge (Rankin Bridge) |  Green Belt | |
 | Braddock Locks & Dam | | Braddock and West Mifflin | |
| | Union Railroad Port Perry Bridge | Pennsylvania Union Railroad | North Braddock and Duquesne | 40°23′17″N 79°51′08″W / 40.3880°N 79.8522°W / 40.3880; -79.8522 |
 | PRR Port Perry Bridge | Norfolk Southern Railway Port Perry Branch | North Versailles Twp and Duquesne | 40°23′14″N 79°51′05″W / 40.3871°N 79.8513°W / 40.3871; -79.8513 |
 | McKeesport-Duquesne Bridge | Green Belt | McKeesport and Duquesne | 40°21′28″N 79°50′38″W / 40.3579°N 79.8440°W / 40.3579; -79.8440 |
 | McKeesport Connecting Railroad Bridge (rails removed) | Great Allegheny Passage bike trail | McKeesport and West Mifflin | 40°21′25″N 79°50′51″W / 40.3569°N 79.8474°W / 40.3569; -79.8474 |
 | W.D. Mansfield Memorial Bridge (Dravosburg Bridge) |  Yellow Belt | McKeesport and Dravosburg | 40°20′43″N 79°53′08″W / 40.3452°N 79.8856°W / 40.3452; -79.8856 |
 | Senator Edward P. Zemprelli Bridge (Clairton-Glassport Bridge) | | Glassport and Clairton | 40°18′47″N 79°53′13″W / 40.3131°N 79.8870°W / 40.3131; -79.8870 |
.jpg) | Union Railroad Clairton Bridge (Clairton Coke Works Bridge) (abandoned) | former Pennsylvania Union Railroad line | Lincoln and Clairton | 40°17′40.1″N 79°52′01.3″W / 40.294472°N 79.867028°W / 40.294472; -79.867028 |
 | Regis R. Malady Bridge (Elizabeth Bridge) |  PA 51 | Elizabeth and West Elizabeth | |
| | Elizabeth Locks & Dam | | |
| Washington County–Allegheny County |
| | General Carl E. Vuono Bridge (Monongahela City Bridge) |  PA 136 | Forward Twp and Monongahela | |
| Washington County–Westmoreland County |
 | Stan Musial Bridge (Donora-Monessen Bridge) | C. Vance DieCas Highway | Monessen and Donora |
 | John K. Tener Memorial Bridge (Charleroi-Monessen Bridge) | Lock Street | Monessen and North Charleroi | |
| | Charleroi Locks & Dam | | Monessen and Charleroi | |
 | Speers Railroad Bridge | Wheeling and Lake Erie Railway | North Belle Vernon and Speers | |
 | Belle Vernon Bridge |  I-70 | |
| Washington County–Fayette County |
 | West Brownsville Junction Bridge | Norfolk Southern Railway Monongahela Subdivision | Brownsville Twp and West Brownsville | |
 | Lane Bane Bridge |  US 40 | Brownsville and West Brownsville | |
 | Inter-County Bridge, Brownsville Bridge | Bridge Boulevard | |
 | Maxwell Lock & Dam | | Luzerne Twp and Centerville | |
| | Ronald C. "Smokey" Bakewell Memorial Bridge (Mon-Fayette Expressway Bridge) |  PA Turnpike 43 | |
| Greene County–Fayette County |
| | Masontown Bridge |  PA 21 | Masontown and Monongahela Twp | |
 | Grays Landing Lock & Dam | | Nicholson Twp and Monongahela Twp | |
 | New Geneva Bridge | Norfolk Southern Railway Monongahela Subdivision | |
_-_Side_View.jpg) | Albert Gallatin Memorial Bridge (Point Marion Bridge) |  PA 88 | Point Marion and Dunkard Twp | |
 | Point Marion Lock & Dam | | Springhill Twp and Dunkard Twp | |
