Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 640.1 m = 2100.2 ft
Main Spans: 5 at 228.6 m = 750.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 12.2 m = 40.0 ft (4 Lanes) and Out-To-Out: 13.7 m = 44.9 ft for a 15.2 m = 49.9 ft approaching roadway.
Vertical Clearance: 5.92 m = 19.4 ft and Navigational Clearance: 41.1 m = 134.8 ft
Location
Perth Amboy [58200]: Middlesex County [023], New Jersey [34]
Owned by Private (other than railroad) [26], DOT District: 1
3 miles north of NJ TRPK
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 54.4 metric ton = 59.8 tons (Load Factor(LF) [1])
Inventory: 31.8 metric ton = 35.0 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 minimum criteria [6]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: August 2020 [0820] 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: 4.7 km = 2.9 mi
Traffic
ADT: 83856 (2014) and Trucks: 2%
Future ADT: 93080 (In 2037
)