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: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 84.7 m = 277.9 ft
Main Spans: 2 at 47.2 m = 154.9 ft
Approach Spans: 0
Skew: 99
Width, Roadway: 11 m = 36.1 ft (2 Lanes) and Out-To-Out: 13.8 m = 45.3 ft for a 11 m = 36.1 ft approaching roadway.
Vertical Clearance: 5.55 m = 18.2 ft and Navigational Clearance: 0 = N/A
Location
Leetsdale [42392]: Allegheny County [003], Pennsylvania [42]
Owned by City or Municipal Highway Agency [04], DOT District: 11
Mike Maruca Memorial Br
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 86.2 metric ton = 94.8 tons (Load Factor(LF) [1])
Inventory: 51.7 metric ton = 56.9 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: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: August 1999 [899] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 15.9 km = 9.9 mi
Traffic
ADT: 4500 (2019) and Trucks: 25%
Future ADT: 5000 (In 2041
)
