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Nearby Bridges in NBI 2021: 2


PA TPK (I-76) over Deer Creek (Route: 76)
Num:53351x
Open: no restriction [A]
Built: 2016, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.3 Kilometers)

Bridge Type
Main Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
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: 38.7 m = 127.0 ft
Main Spans: 2 at 19.2 m = 63.0 ft
Approach Spans: 0
Skew: 29
Width, Roadway: 38.1 m = 125.0 ft (4 Lanes) and Out-To-Out: 38.2 m = 125.3 ft for a 38.1 m = 125.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Harmar [32624]: Allegheny County [003], Pennsylvania [42]
Owned by State Toll Authority [31], DOT District: 11
W. of Allegheny Val. int.
Condition
Deck: Excellent [9]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: HL93 [A]
Operating: 46.7 metric ton = 51.4 tons (Unknown [F])
Inventory: 33.7 metric ton = 37.1 tons (Unknown [F])
Appraisal
Structural: Equal to present desirable criteria [8]
Deck Geometry: Superior to present desirable criteria [9]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: June 2020 [0620] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 33531 (2004) and Trucks: 19%
Future ADT: 45724 (In 2030 )
RICH HILL RD over DEER CREEK (Route: 0)
Num:2315x
Open: no restriction [A]
Built: 1978, Reconstructed: 2010
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 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: 18.9 m = 62.0 ft
Main Spans: 1 at 18.3 m = 60.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 8.4 m = 27.6 ft for a 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Harmar [32624]: Allegheny County [003], Pennsylvania [42]
Owned by County Highway Agency [02], DOT District: 11
DE04 DEER CREEK NO. 4
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 97.1 metric ton = 106.8 tons (Load Factor(LF) [1])
Inventory: 31.8 metric ton = 35.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Inspections
Date: October 2020 [1020] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.8 km = 0.5 mi
Traffic
ADT: 398 (2005) and Trucks: 7%
Future ADT: 398 (In 2025 )

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.

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