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: 228.3 m = 749.1 ft
Main Spans: 8 at 28 m = 91.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 6.1 m = 20.0 ft (2 Lanes) and Out-To-Out: 6.4 m = 21.0 ft for a 9.1 m = 29.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Pottstown [62416]: Montgomery County [091], Pennsylvania [42]
Owned by County Highway Agency [02], DOT District: 6
MADISON BRIDGE 3138J3
Condition
Deck: Poor [4]
Superstructure: Imminent Failure [1]
Substructure: Poor [4]
Loading
Design:
Operating: 0 metric ton = 0.0 tons ()
Inventory: 0 metric ton = 0.0 tons ()
Appraisal
Structural:
Deck Geometry:
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: August 1999 [899] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 8408 (2004) and Trucks: 5%
Future ADT: 7280 (In 2021
)