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Nearby Bridges in NBI 2021: 2


T-421 (CTY. BR. 2) over WHITE DEER HOLE CREEK (Route: 0)
Num:33587x
Posted for load [P]
Built: 1889, Reconstructed: 1994
Historic: Bridge is eligible for the NRHP. [2]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Wood or Timber [7]
Bridge Dimensions
Length: 27.4 m = 89.9 ft
Main Spans: 1 at 26.2 m = 86.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 4.7 m = 15.4 ft (1 Lanes) and Out-To-Out: 4.9 m = 16.1 ft for a 4.3 m = 14.1 ft approaching roadway.
Vertical Clearance: 3.53 m = 11.6 ft and Navigational Clearance: 0 = N/A
Location
Gregg [31480]: Union County [119], Pennsylvania [42]
Owned by County Highway Agency [02], DOT District: 3
0.25 MI.S OF ALLENWOOD
Condition
Deck: Satisfactory [6]
Superstructure: Poor [4]
Substructure: Fair [5]
Loading
Design: M 18 / H 20 [4]
Operating: 18.1 metric ton = 19.9 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: Meets minimum tolerable limits to be left in place as is [4]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Inspections
Date: April 1999 [499] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 15.9 km = 9.9 mi
Traffic
ADT: 13 (2020) and Trucks: 0%
Future ADT: 20 (In 2042 )
US 15 over WHITE DEER HOLE CREEK (Route: 15)
Num:33398x
Open: no restriction [A]
Built: 1957, Reconstructed: 2007
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete continuous [6] 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: 47.2 m = 154.9 ft
Main Spans: 2 at 22.9 m = 75.1 ft
Approach Spans: 0
Skew: 45
Width, Roadway: 8.5 m = 27.9 ft (4 Lanes) and Out-To-Out: 19.1 m = 62.7 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Gregg [31480]: Union County [119], Pennsylvania [42]
Owned by State Highway Agency [01], DOT District: 3
VILLAGE OF ALLENWOOD
Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Good [7]
Loading
Design: HL93 [A]
Operating: 69.9 metric ton = 76.9 tons (Load and Resistance Factor(LRFR) [3])
Inventory: 42.6 metric ton = 46.9 tons (Load and Resistance Factor(LRFR) [3])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: November 1999 [1199] and Frequency: 48
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 7.2 km = 4.5 mi
Traffic
ADT: 15672 (2019) and Trucks: 12%
Future ADT: 16476 (In 2032 )

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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