Bridge Type
Main Span(s): Concrete [1] Arch - Deck [11]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Not applicable (applies only to structures with no deck) [N]
Bridge Dimensions
Length: 44.2 m = 145.0 ft
Main Spans: 6 at 6.4 m = 21.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 3.8 m = 12.5 ft (1 Lanes) and Out-To-Out: 5 m = 16.4 ft for a 4.6 m = 15.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Knowlton [37320]: Warren County [041], New Jersey [34]
Owned by County Highway Agency [02], DOT District: 1
0.4 MILE SOUTH OF NJ 94
Condition
Deck: Not Applicable [N]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design:
Operating: 25.4 metric ton = 27.9 tons (Load Factor(LF) [1])
Inventory: 14.5 metric ton = 16.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Basically intolerable requiring high priority of replacement [2]
Waterway: Equal to present desirable criteria [8] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: April 1999 [499] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 160 (2019) and Trucks: 3%
Future ADT: 180 (In 2039
)