Bridge Type
Main Span(s): Prestressed concrete [5] Box beam or girders - Multiple [05]
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: 17.4 m = 57.1 ft
Main Spans: 1 at 17.4 m = 57.1 ft
Approach Spans: 0
Skew: 10
Width, Roadway: 11.5 m = 37.7 ft (2 Lanes) and Out-To-Out: 12.3 m = 40.4 ft for a 5.5 m = 18.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Knox [40304]: Jefferson County [065], Pennsylvania [42]
Owned by State Highway Agency [01], DOT District: 10
FIVEMILE SWAMP
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 89.8 metric ton = 98.8 tons (Load Factor(LF) [1])
Inventory: 44.5 metric ton = 49.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Superior to present desirable criteria [9]
Road Alignment: Better than present minimum criteria [7]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: November 1999 [1199] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 346 (2021) and Trucks: 6%
Future ADT: 474 (In 2032
)