Bridge Type
Main Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Latex Concrete or similar additive [3]
Bridge Dimensions
Length: 35.1 m = 115.2 ft
Main Spans: 3 at 14.3 m = 46.9 ft
Approach Spans: 0
Skew: 12
Width, Roadway: 23.2 m = 76.1 ft (5 Lanes) and Out-To-Out: 24.4 m = 80.1 ft for a 21.6 m = 70.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Green Tree [31256]: Allegheny County [003], Pennsylvania [42]
Owned by State Highway Agency [01], DOT District: 11
GREENTREE INTERCHANGE
Condition
Deck: Very Good [8]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 60.8 metric ton = 66.9 tons (Load Factor(LF) [1])
Inventory: 36.3 metric ton = 39.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: July 1999 [799] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 1 km = 0.6 mi
Traffic
ADT: 88088 (2019) and Trucks: 8%
Future ADT: 86940 (In 2032
)
