Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Steel [3] Girder and floorbeam system [03]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 203.9 m = 669.0 ft
Main Spans: 1 at 103.6 m = 339.9 ft
Approach Spans: 4
Skew: 0
Width, Roadway: 9.8 m = 32.2 ft (3 Lanes) and Out-To-Out: 13.1 m = 43.0 ft for a 9.8 m = 32.2 ft approaching roadway.
Vertical Clearance: 5.16 m = 16.9 ft and Navigational Clearance: 0 = N/A
Location
West Leechburg [83328]: Westmoreland County [129], Pennsylvania [42]
Owned by State Highway Agency [01], DOT District: 12
WEST LEECHBURG BRIDGE
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 45.4 metric ton = 49.9 tons (Load Factor(LF) [1])
Inventory: 27.2 metric ton = 29.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: May 2020 [0520] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 1.6 km = 1.0 mi
Traffic
ADT: 10239 (2021) and Trucks: 4%
Future ADT: 13721 (In 2032
)