Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 28.7 m = 94.2 ft
Main Spans: 1 at 27.1 m = 88.9 ft
Approach Spans: 0
Skew: 20
Width, Roadway: 5.8 m = 19.0 ft (2 Lanes) and Out-To-Out: 6.1 m = 20.0 ft for a 6.7 m = 22.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Tredyffrin [77344]: Chester County [029], Pennsylvania [42]
Owned by Railroad [27], DOT District: 6
0.5 Mi E SR252 ADC3475-G1
Condition
Deck: Satisfactory [6]
Superstructure: Poor [4]
Substructure: Poor [4]
Loading
Design:
Operating: 12.7 metric ton = 14.0 tons (Allowable Stress(AS) [2])
Inventory: 7.3 metric ton = 8.0 tons (Allowable Stress(AS) [2])
Appraisal
Structural:
Deck Geometry:
Road Alignment: Basically intolerable requiring high priority of corrrective action [3]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: October 2018 [1018] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.1 km = 0.1 mi
Traffic
ADT: 2104 (2014) and Trucks: 0%
Future ADT: 2500 (In 2025
)
