Bridge Type
Main Span(s): Concrete [1] Frame [07]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 26.5 m = 86.9 ft
Main Spans: 1 at 23.8 m = 78.1 ft
Approach Spans: 0
Skew: 5
Width, Roadway: 9.3 m = 30.5 ft (2 Lanes) and Out-To-Out: 11.9 m = 39.0 ft for a 9.4 m = 30.8 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Londonderry [44464]: Dauphin County [043], Pennsylvania [42]
Owned by State Toll Authority [31], DOT District: 8
Londonderry Township
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 75.3 metric ton = 82.8 tons (Load Factor(LF) [1])
Inventory: 45.4 metric ton = 49.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: March 1999 [399] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 8737 (2019) and Trucks: 5%
Future ADT: 10928 (In 2030
)
