Bridge Type
Main Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Approach Span(s): Prestressed concrete continuous [6] Box Beam or girders - Single or Spread [06]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 207.6 m = 681.1 ft
Main Spans: 4 at 43.9 m = 144.0 ft
Approach Spans: 5
Skew: 0
Width, Roadway: 12.6 m = 41.3 ft (3 Lanes) and Out-To-Out: 15.5 m = 50.9 ft for a 12.2 m = 40.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
West Kittanning [83248]: Armstrong County [005], Pennsylvania [42]
Owned by State Highway Agency [01], DOT District: 10
WEST KITTANNING HILL
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: HL93 [A]
Operating: 79.8 metric ton = 87.8 tons (Load and Resistance Factor(LRFR) [3])
Inventory: 61.7 metric ton = 67.9 tons (Load and Resistance Factor(LRFR) [3])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Better than present minimum criteria [7]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: February 2020 [0220] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1.1 km = 0.7 mi
Traffic
ADT: 14336 (2019) and Trucks: 4%
Future ADT: 14651 (In 2032
)