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


  • National Bridge Inventory (NBI) Statistics
  • 14Number of bridges
  • 197ft / 59.5mTotal length
  • $1,508,000Total costs
  • 105,131Total average daily traffic
  • 20,597Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Altamont
  • No street view available for this location

Average Bridge Daily Traffic in Altamont, PA
Average Bridge Truck Traffic in Altamont, PA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 42.9%Good
  • 57.1%Satisfactory
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 28.6%Very good
  • 28.6%Satisfactory
  • 42.9%Fair
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 42.9%Good
  • 57.1%Satisfactory
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Structure Number: 30583,  Location: FRACKVILLE INTERCHANGE (Lat: 40.772992,  Lng: -76.224364),  Route carried "on" structure: Interstate 81,  Year Built: 1967,  Year Reconstructed: 2013,  Status: Open,  Structure Length: 7.50m (24.61ft),  Average Daily Traffic: 12,352 (year 2021),  Truck Traffic: 26%,  Average Future Daily Traffic: 15,473 (year 2032),  Design Load: HL 93,  Features Intersected: PA61 (LR161) RAMPS B & F
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 43.892,  Lanes on structure: 3,  Lanes under structure: 6,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 14 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Single/Spread,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 24.1m (79.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 13.3m (43.6ft),  Out-to-Out Width: 15.1m (49.5ft)

Condition: Deck: Satisfactory,  Superstructure: Very good,  Substructure: Good,  Operating Rating: 59.3 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: 37.9 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: Meets minimum limits,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 8.50m (27.89ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 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: 30585,  Location: FRACKVILLE INTERCHANGE (Lat: 40.773217,  Lng: -76.224697),  Route carried "on" structure: Interstate 81,  Year Built: 1967,  Year Reconstructed: 2013,  Status: Open,  Structure Length: 7.13m (23.39ft),  Average Daily Traffic: 11,998 (year 2021),  Truck Traffic: 26%,  Average Future Daily Traffic: 15,148 (year 2032),  Design Load: HL 93,  Features Intersected: PA61 & RAMP B,F,G
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 43.813,  Lanes on structure: 3,  Lanes under structure: 6,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 14 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Single/Spread,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 23.2m (76.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 15.0m (49.2ft),  Out-to-Out Width: 16.6m (54.5ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Operating Rating: 59.3 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: 37.3 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: Meets minimum limits,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 8.00m (26.25ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 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: 30587,  Location: 0.2 MI.N.OF EX.124(36) NB (Lat: 40.773181,  Lng: -76.221222),  Route carried "on" structure: Interstate 81,  Year Built: 1967,  Year Reconstructed: 2011,  Status: Open,  Structure Length: 6.10m (20.01ft),  Average Daily Traffic: 12,352 (year 2021),  Truck Traffic: 26%,  Average Future Daily Traffic: 15,473 (year 2032),  Design Load: HL 93,  Features Intersected: ALTAMONT BOULEVARD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 43.892,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.9m (39.0ft),  Skew: 13 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Single/Spread,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 23.2m (76.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 11.7m (38.4ft),  Out-to-Out Width: 13.0m (42.7ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Satisfactory,  Operating Rating: 69.9 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 33.6 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 7.10m (23.29ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2019,  Bridge Improvement Cost: $70,000,  Roadway Improvement Cost: $205,000,  Total Project Cost: $940,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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Structure Number: 30588,  Location: SCH. MALL RD. - EXIT 124 (Lat: 40.773403,  Lng: -76.221364),  Route carried "on" structure: Interstate 81,  Year Built: 1967,  Year Reconstructed: 2011,  Status: Open,  Structure Length: 5.27m (17.29ft),  Average Daily Traffic: 11,998 (year 2021),  Truck Traffic: 26%,  Average Future Daily Traffic: 15,148 (year 2032),  Design Load: HL 93,  Features Intersected: ALTAMONT BOULEVARD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 43.813,  Lanes on structure: 3,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 13 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Single/Spread,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 20.7m (67.9ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 18.5m (60.7ft),  Out-to-Out Width: 19.8m (65.0ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Satisfactory,  Operating Rating: 62.6 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported in metric tons,  Inventory Rating: 33.6 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported in metric tons,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Superior to present desirable criteria,  Underclear: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 6.30m (20.67ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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Structure Number: 3059,  Location: 2 MI. N. OF EXIT 124 (36) (Lat: 40.778789,  Lng: -76.182450),  Route carried "on" structure: Interstate 81,  Year Built: 1968,  Year Reconstructed: 2012,  Status: Open,  Structure Length: 15.70m (51.51ft),  Average Daily Traffic: 12,352 (year 2021),  Truck Traffic: 26%,  Average Future Daily Traffic: 15,473 (year 2032),  Design Load: HL 93,  Features Intersected: ACCESS ROAD & MILL CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 47.138,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 41.8m (137.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 10.1m (33.1ft),  Out-to-Out Width: 11.1m (36.4ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 77.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 46.3 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 16.00m (52.49ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Bridge Improvement Cost: $42,000,  Roadway Improvement Cost: $124,000,  Total Project Cost: $568,000,  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: 30591,  Location: 2 MI. N. OF EXIT 124 (36) (Lat: 40.779453,  Lng: -76.182361),  Route carried "on" structure: Interstate 81,  Year Built: 1968,  Year Reconstructed: 2012,  Status: Open,  Structure Length: 12.74m (41.80ft),  Average Daily Traffic: 11,998 (year 2021),  Truck Traffic: 26%,  Average Future Daily Traffic: 15,148 (year 2032),  Design Load: HS 20+Mod,  Features Intersected: MILL CREEK/ACCESS RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 47.068,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 37.8m (124.0ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 10.1m (33.1ft),  Out-to-Out Width: 11.1m (36.4ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Very good,  Operating Rating: 73.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 43.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 13.20m (43.31ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: October 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: 31028,  Location: FRACKVILLE INTERCHANGE (Lat: 40.773183,  Lng: -76.219739),  Route carried "on" structure: Ramp State highway ,  Year Built: 1967,  Year Reconstructed: 2011,  Status: Open,  Structure Length: 5.06m (16.60ft),  Average Daily Traffic: 1,441 (year 2021),  Truck Traffic: 7%,  Average Future Daily Traffic: 2,042 (year 2032),  Design Load: HS 20,  Features Intersected: ALTAMONT BOULEVARD,  Facility Carried by Structure: I-81 RAMP
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 9 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Single/Spread,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 20.1m (65.9ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 8.7m (28.5ft),  Out-to-Out Width: 9.9m (32.5ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Satisfactory,  Operating Rating: 97.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 39.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Superior to present desirable criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 6.30m (20.67ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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Structure Number: 30583,  Location: FRACKVILLE INTERCHANGE (Lat: 40.772992,  Lng: -76.224364),  Route carried "under" structure: State highway 61,  Year Built: 1967,  Structure Length: 0. m,  Average Daily Traffic: 7,590 (year 2021),  Truck Traffic: 4%,  Features Intersected: PA61 (LR161) RAMPS B & F,  Facility Carried by Structure: I-81 NB (LR 1005)
Minimum Vertical Clearance: 5.52m (18.11ft),  Kilometerpoint: 36.477,  Lanes on structure: 3,  Lanes under structure: 3,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Single/Spread,  Length of Maximum Span: 24.1m (79.1ft)

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Structure Number: 30583,  Location: FRACKVILLE INTERCHANGE (Lat: 40.772992,  Lng: -76.224364),  Route carried "under" structure: State highway 61,  Year Built: 1967,  Structure Length: 0. m,  Average Daily Traffic: 7,480 (year 2021),  Truck Traffic: 6%,  Features Intersected: PA61 (LR161) RAMPS B & F,  Facility Carried by Structure: I-81 NB (LR 1005)
Minimum Vertical Clearance: 5.06m (16.60ft),  Kilometerpoint: 36.510,  Lanes on structure: 3,  Lanes under structure: 3,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Single/Spread,  Length of Maximum Span: 24.1m (79.1ft)

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Structure Number: 30585,  Location: FRACKVILLE INTERCHANGE (Lat: 40.773217,  Lng: -76.224697),  Route carried "under" structure: State highway 61,  Year Built: 1967,  Structure Length: 0. m,  Average Daily Traffic: 7,590 (year 2021),  Truck Traffic: 4%,  Features Intersected: PA61 & RAMP B,F,G,  Facility Carried by Structure: I-81 SB (LR 1005)
Minimum Vertical Clearance: 5.36m (17.59ft),  Kilometerpoint: 36.477,  Lanes on structure: 3,  Lanes under structure: 3,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Single/Spread,  Length of Maximum Span: 23.2m (76.1ft)

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Structure Number: 30585,  Location: FRACKVILLE INTERCHANGE (Lat: 40.773217,  Lng: -76.224697),  Route carried "under" structure: State highway 61,  Year Built: 1967,  Structure Length: 0. m,  Average Daily Traffic: 7,480 (year 2021),  Truck Traffic: 6%,  Features Intersected: PA61 & RAMP B,F,G,  Facility Carried by Structure: I-81 SB (LR 1005)
Minimum Vertical Clearance: 5.03m (16.50ft),  Kilometerpoint: 36.510,  Lanes on structure: 3,  Lanes under structure: 3,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Single/Spread,  Length of Maximum Span: 23.2m (76.1ft)

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Structure Number: 30587,  Location: 0.2 MI.N.OF EX.124(36) NB (Lat: 40.773181,  Lng: -76.221222),  Route carried "under" structure: ServiceOther road ,  Year Built: 1967,  Structure Length: 0. m,  Average Daily Traffic: 200 (year 1992),  Truck Traffic: 1%,  Features Intersected: ALTAMONT BOULEVARD,  Facility Carried by Structure: I-81 NB(LR1005)
Minimum Vertical Clearance: 9.05m (29.69ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Single/Spread,  Length of Maximum Span: 23.2m (76.1ft)

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Structure Number: 30588,  Location: SCH. MALL RD. - EXIT 124 (Lat: 40.773403,  Lng: -76.221364),  Route carried "under" structure: ServiceCity street ,  Year Built: 1967,  Structure Length: 0. m,  Average Daily Traffic: 200 (year 1992),  Truck Traffic: 1%,  Features Intersected: ALTAMONT BOULEVARD,  Facility Carried by Structure: I-81 SB (LR 1005)
Minimum Vertical Clearance: 6.74m (22.11ft),  Kilometerpoint: 0.000,  Lanes on structure: 3,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Single/Spread,  Length of Maximum Span: 20.7m (67.9ft)

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Structure Number: 31028,  Location: FRACKVILLE INTERCHANGE (Lat: 40.773183,  Lng: -76.219739),  Route carried "under" structure: ServiceOther road LOCL,  Year Built: 1967,  Structure Length: 0. m,  Average Daily Traffic: 100 (year 1991),  Truck Traffic: 1%,  Features Intersected: ALTAMONT BOULEVARD,  Facility Carried by Structure: I-81 RAMP
Minimum Vertical Clearance: 7.47m (24.51ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Single/Spread,  Length of Maximum Span: 20.1m (65.9ft)

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