Bridge Type
Main Span(s): Steel [3] Truss - Deck [09]
Approach Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Deck: Open Grating [3] with Wearing Surface:
Bridge Dimensions
Length: 355.7 m = 1167.1 ft
Main Spans: 2 at 46.3 m = 151.9 ft
Approach Spans: 12
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 10.4 m = 34.1 ft for a 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Catasauqua [11720]: Lehigh County [077], Pennsylvania [42]
Owned by County Highway Agency [02], DOT District: 5
NORTHWEST CATASAUQUA
Condition
Deck: Satisfactory [6]
Superstructure: Poor [4]
Substructure: Fair [5]
Loading
Design:
Operating: 59 metric ton = 64.9 tons (Load Factor(LF) [1])
Inventory: 35.4 metric ton = 38.9 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: Better than present minimum criteria [7]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: May 1999 [599] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 8000 (2010) and Trucks: 5%
Future ADT: 9000 (In 2020
)