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Bridge Statistics for Allison, Pennsylvania (PA)
Condition, Traffic, Stress, Structural Evaluation, Project Costs


  • National Bridge Inventory (NBI) Statistics
  • 11Number of bridges
  • 230ft / 69.5mTotal length
  • $192,000Total costs
  • 26,197Total average daily traffic
  • 1,801Total average daily truck traffic
  • 31,069Total future (year 2012) average daily traffic
  • National Bridge Inventory (NBI) Registered Bridges for Allison
  • No street view available for this location

New bridges in Allison, PA - historical statistics
  • New bridges - historical statistics
  • 11900-1909
  • 11960-1969
  • 82000-2009
  • 12010-2019
Average Bridge Daily Traffic in Allison, PA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 18.2%Very good
  • 63.6%Good
  • 9.1%Poor
  • 9.1%Serious
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 63.6%Very good
  • 18.2%Good
  • 9.1%Poor
  • 9.1%Imminent failure
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 27.3%Very good
  • 54.5%Good
  • 18.2%Poor
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 50.0%Very good
  • 33.3%Satisfactory
  • 16.7%Fair
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Structure Number: 17114,  Location: SIMPSON STATION (Lat: 39.990594,  Lng: -79.887794),  Route carried "on" structure: City street T326,  Year Built: 1905,  Status: Closed,  Structure Length: 2.38m (7.81ft),  Average Daily Traffic: 50 (year 2006),  Truck Traffic: 5%,  Average Future Daily Traffic: 21 (year 2012),  Features Intersected: DUNLAP CREEK,  Facility Carried by Structure: SIMPSON ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 3.7m (12.1ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 23.8m (78.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 3.8m (12.5ft),  Out-to-Out Width: 4.6m (15.1ft)

Condition: Deck: Serious,  Superstructure: Imminent failure,  Substructure: Poor,  Channel: Satisfactory,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 3.00m (9.84ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2019,  Bridge Improvement Cost: $10,000,  Roadway Improvement Cost: $29,000,  Total Project Cost: $133,000,  Deck Structure Type: Wood or Timber
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Structure Number: 17119,  Location: OUTSIDE ALLISON NO. 2 (Lat: 39.987361,  Lng: -79.872267),  Route carried "on" structure: City street T725,  Year Built: 1963,  Status: Posted for load,  Structure Length: 1.83m (6.00ft),  Average Daily Traffic: 500 (year 2006),  Truck Traffic: 5%,  Average Future Daily Traffic: 700 (year 2012),  Design Load: HS 20,  Features Intersected: DUNLAP CREEK,  Facility Carried by Structure: ALLISON ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 5.8m (19.0ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 17.7m (58.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 6.9m (22.6ft),  Out-to-Out Width: 7.5m (24.6ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Poor,  Channel: Fair,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 14.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Length Of Structure Improvement: 2.50m (8.20ft),  Designated Inspection Frequency: Every 24 months,  Other Special Inspection Frequency: Every 12 months,  Inspection Date: December 2019,  Other Special Inspection Date: December 2020,  Bridge Improvement Cost: $4,000,  Roadway Improvement Cost: $13,000,  Total Project Cost: $59,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 45245,  Location: 2 Miles N. of SR 4008 (Lat: 39.977994,  Lng: -79.880303),  Route carried "on" structure: State highway 166,  Year Built: 2009,  Status: Open,  Structure Length: 2.44m (8.01ft),  Average Daily Traffic: 3,314 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 4,208 (year 2032),  Design Load: HL 93,  Features Intersected: DUNLAP CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 28.888,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 24.4m (80.1ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 10.1m (33.1ft),  Out-to-Out Width: 11.2m (36.7ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 70.8 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 49.0 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: November 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 45509,  Location: E of Brownsville (Lat: 39.995283,  Lng: -79.848222),  Route carried "on" structure: US 40,  Year Built: 2008,  Status: Open,  Structure Length: 7.99m (26.21ft),  Average Daily Traffic: 10,150 (year 2022),  Truck Traffic: 3%,  Average Future Daily Traffic: 9,686 (year 2032),  Design Load: HL 93,  Features Intersected: SR 0043 (Turnpike)
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.236,  Lanes on structure: 3,  Lanes under structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 18.6m (61.0ft),  Material/Design: Prestressed concrete continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 45.1m (148.0ft),  Curb-To-Curb Width: 18.6m (61.0ft),  Out-to-Out Width: 19.7m (64.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 64.5 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Inventory Rating: 39.5 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: November 2018,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 45854,  Location: 1.2 mi S of SR 0040 (Lat: 39.996917,  Lng: -79.873817),  Route carried "on" structure: State highway 166,  Year Built: 2009,  Status: Open,  Structure Length: 7.59m (24.90ft),  Average Daily Traffic: 3,314 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 4,208 (year 2032),  Design Load: HL 93,  Features Intersected: SR 0043 (Turnpike)
Minimum Vertical Clearance: 30.45m (99.90ft),  Kilometerpoint: 31.266,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 38.7m (127.0ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 14.6m (47.9ft),  Out-to-Out Width: 15.7m (51.5ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Very good,  Operating Rating: 72.3 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Inventory Rating: 38.2 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: November 2018,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 46931,  Location: West of Exit M22 (Lat: 39.995300,  Lng: -79.853600),  Route carried "on" structure: City street ,  Year Built: 2009,  Status: Open,  Structure Length: 11.55m (37.89ft),  Average Daily Traffic: 1,555 (year 2008),  Truck Traffic: 5%,  Average Future Daily Traffic: 2,022 (year 2030),  Design Load: HL 93,  Features Intersected: PA TPK (TOLL 43),  Facility Carried by Structure: National Pike T-55
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 6,  Toll: Toll bridge,  Owner: State Toll Authority,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 62.5m (205.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 12.4m (40.7ft),  Out-to-Out Width: 13.5m (44.3ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 55.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: June 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Membrane: Other,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 46932,  Location: West of Exit M22 (Lat: 39.994700,  Lng: -79.860297),  Route carried "on" structure: State highway 43,  Year Built: 2009,  Status: Open,  Structure Length: 4.75m (15.58ft),  Average Daily Traffic: 1,000 (year 2001),  Truck Traffic: 10%,  Average Future Daily Traffic: 1,414 (year 2030),  Design Load: HS 20,  Features Intersected: Davidson Siding Rd T-605
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 3,  Lanes under structure: 2,  Base Highway Network: Yes,  Toll: On toll road,  Owner: State Toll Authority,  Approaching Roadway Width: 16.5m (54.1ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 45.7m (149.9ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 16.5m (54.1ft),  Out-to-Out Width: 17.5m (57.4ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Operating Rating: 74.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 44.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Membrane: Other,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 46933,  Location: West of Exit M22 (Lat: 39.994997,  Lng: -79.860297),  Route carried "on" structure: State highway 43,  Year Built: 2009,  Status: Open,  Structure Length: 5.49m (18.01ft),  Average Daily Traffic: 1,000 (year 2001),  Truck Traffic: 10%,  Average Future Daily Traffic: 1,414 (year 2030),  Design Load: HS 25 or greater,  Features Intersected: T-605
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Toll: Toll bridge,  Owner: State Toll Authority,  Approaching Roadway Width: 12.8m (42.0ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 53.0m (173.9ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 12.8m (42.0ft),  Out-to-Out Width: 13.8m (45.3ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Operating Rating: 69.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 41.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present desirable criteria,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Membrane: Other,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 46934,  Location: West of Exit M22 (Lat: 39.995800,  Lng: -79.868600),  Route carried "on" structure: Other road 43,  Year Built: 2009,  Status: Open,  Structure Length: 10.94m (35.89ft),  Average Daily Traffic: 1,000 (year 2001),  Truck Traffic: 10%,  Average Future Daily Traffic: 1,414 (year 2030),  Design Load: HL 93,  Features Intersected: UNT 4 to Dunlap Creek
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Base Highway Network: Yes,  Toll: On toll road,  Owner: State Toll Authority,  Approaching Roadway Width: 12.8m (42.0ft),  Skew: 12 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 44.2m (145.0ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 12.8m (42.0ft),  Out-to-Out Width: 13.8m (45.3ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Very good,  Operating Rating: 68.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 40.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present desirable criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: June 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Membrane: Other,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 46935,  Location: West of Exit M22 (Lat: 39.995800,  Lng: -79.867197),  Route carried "on" structure: Other road 43,  Year Built: 2009,  Status: Open,  Structure Length: 10.94m (35.89ft),  Average Daily Traffic: 1,000 (year 2001),  Truck Traffic: 10%,  Average Future Daily Traffic: 1,414 (year 2030),  Design Load: HL 93,  Features Intersected: UNT 4 to Dunlap Creek
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Base Highway Network: Yes,  Toll: On toll road,  Owner: State Toll Authority,  Approaching Roadway Width: 12.8m (42.0ft),  Skew: 12 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 44.2m (145.0ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 12.8m (42.0ft),  Out-to-Out Width: 13.8m (45.3ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Very good,  Operating Rating: 67.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 39.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present desirable criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: June 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Membrane: Other,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 48589,  Location: 1.4 mi S from SR 0040 (Lat: 39.992169,  Lng: -79.874447),  Route carried "on" structure: State highway 166,  Year Built: 2013,  Status: Open,  Structure Length: 3.63m (11.91ft),  Average Daily Traffic: 3,314 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 4,568 (year 2036),  Design Load: HL 93,  Features Intersected: Dunlap Creek
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 31.266,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 35.1m (115.2ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 88.5 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Inventory Rating: 38.6 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: November 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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