HistoricBridges.org Menu: HistoricBridges.org Menu:



BridgeSeek

Nearby Bridges in NBI 2021: 2


T-573 over PA TPK (I-76) (Route: 573)
Num:14019x
Open: no restriction [A]
Built: 1949, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Frame [07]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 26.5 m = 86.9 ft
Main Spans: 1 at 23.8 m = 78.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 6.7 m = 22.0 ft (2 Lanes) and Out-To-Out: 7.7 m = 25.3 ft for a 6.4 m = 21.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Silver Spring [70792]: Cumberland County [041], Pennsylvania [42]
Owned by State Toll Authority [31], DOT District: 8
SILVER SPRING TWP
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 47.2 metric ton = 51.9 tons ()
Inventory: 28.1 metric ton = 30.9 tons ()
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: February 1999 [299] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.8 km = 0.5 mi
Traffic
ADT: 200 (1992) and Trucks: 10%
Future ADT: 315 (In 2030 )
APPALACHIAN DRIVE over NORFOLK SOUTHERN RAILRD. (Route: 0)
Num:14090x
Open: no restriction [A]
Built: 1989, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Box Beam or girders - Single or Spread [06]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 12.8 m = 42.0 ft
Main Spans: 1 at 12.2 m = 40.0 ft
Approach Spans: 0
Skew: 3
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 9.3 m = 30.5 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
Silver Spring [70792]: Cumberland County [041], Pennsylvania [42]
Owned by Town or Township Highway Agency [03], DOT District: 8
1.4SE 76/81 CONRAIL
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 37.2 metric ton = 40.9 tons (Load Factor(LF) [1])
Inventory: 22.7 metric ton = 25.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present minimum criteria [6]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: August 1999 [899] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 200 (2019) and Trucks: 0%
Future ADT: 280 (In 2039 )

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

Divider

Back

Top

Divider

About - Contact

Divider