Bridge Type
Main Span(s): Wood or timber [7] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Wood or Timber [7]
Bridge Dimensions
Length: 18.9 m = 62.0 ft
Main Spans: 1 at 14.9 m = 48.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 4.1 m = 13.5 ft (1 Lanes) and Out-To-Out: 4.3 m = 14.1 ft for a 4.3 m = 14.1 ft approaching roadway.
Vertical Clearance: 2.9 m = 9.5 ft and Navigational Clearance: 0 = N/A
Location
Ralpho [63328]: Northumberland County [097], Pennsylvania [42]
Owned by County Highway Agency [02], DOT District: 3
E OF ELYSBURG
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design: M 18 / H 20 [4]
Operating: 4.5 metric ton = 5.0 tons (Allowable Stress(AS) [2])
Inventory: 3.6 metric ton = 4.0 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Meets minimum tolerable limits to be left in place as is [4]
Waterway: Better than present minimum criteria [7] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: July 2020 [0720] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 250 (2018) and Trucks: 0%
Future ADT: 387 (In 2040
)
