Bridge Type
Main Span(s): Prestressed concrete [5] Box beam or girders - Multiple [05]
Approach Span(s): Other [00]
Deck: Other [9] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 12.8 m = 42.0 ft
Main Spans: 1 at 12.2 m = 40.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 5.5 m = 18.0 ft (1 Lanes) and Out-To-Out: 6.5 m = 21.3 ft for a 4 m = 13.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
West Caln [82664]: Chester County [029], Pennsylvania [42]
Owned by County Highway Agency [02], DOT District: 6
WEST CALN 3469-E6
Condition
Deck: Fair [5]
Superstructure: Poor [4]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 29 metric ton = 31.9 tons (Load Factor(LF) [1])
Inventory: 10.9 metric ton = 12.0 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 corrrective action [3]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] 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: 0.2 km = 0.1 mi
Traffic
ADT: 158 (2015) and Trucks: 10%
Future ADT: 165 (In 2020
)