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Bridge Statistics for North Boston, New York (NY)
Condition, Traffic, Stress, Structural Evaluation, Project Costs


  • National Bridge Inventory (NBI) Statistics
  • 19Number of bridges
  • 105ft / 31.6mTotal length
  • $30,335,000Total costs
  • 70,434Total average daily traffic
  • 3,461Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for North Boston
  • No street view available for this location

New bridges in North Boston, NY - historical statistics
  • New bridges - historical statistics
  • 21930-1939
  • 111970-1979
  • 11980-1989
  • 31990-1999
  • 22000-2009
Reconstructed bridges in North Boston, NY - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 22010-2019
  • 32020-2022
Average Bridge Daily Traffic in North Boston, NY
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 40.0%Excellent
  • 20.0%Very good
  • 40.0%Good
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 20.0%Excellent
  • 20.0%Very good
  • 40.0%Good
  • 20.0%Fair
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 10.0%Excellent
  • 50.0%Very good
  • 30.0%Good
  • 10.0%Satisfactory
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 18.2%Very good
  • 27.3%Good
  • 45.5%Satisfactory
  • 9.1%Fair
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 40.0%Very good
  • 20.0%Good
  • 20.0%Satisfactory
  • 20.0%Fair
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Structure Number: 104165,  Location: 0.6 MI N JCT RTS 391 +219 (Lat: 42.700906,  Lng: -78.792542),  Route carried "on" structure: State highway 391,  Year Built: 2002,  Status: Open,  Structure Length: 1.04m (3.41ft),  Average Daily Traffic: 5,835 (year 2020),  Truck Traffic: 6%,  Average Future Daily Traffic: 6,161 (year 2040),  Design Load: HS 25 or greater,  Features Intersected: EIGHTEENMILE CK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.156,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.9m (39.0ft),  Material/Design: Concrete,  Design/Construction: Frame,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 10.1m (33.1ft),  Curb-To-Curb Width: 12.0m (39.4ft),  Out-to-Out Width: 12.9m (42.3ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Excellent,  Channel: Satisfactory,  Operating Rating: 79.7 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 40.8 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Superior to present desirable criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Length Of Structure Improvement: 1.03m (3.38ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Bridge Improvement Cost: $456,000,  Roadway Improvement Cost: $267,000,  Total Project Cost: $723,000 ( Estimate for 2021),  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 10442,  Location: 2.9 MI N JCT SH219 &SH277 (Lat: 42.710967,  Lng: -78.747161),  Route carried "on" structure: State highway 277,  Year Built: 1999,  Status: Open,  Structure Length: 2.35m (7.71ft),  Average Daily Traffic: 3,194 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 3,372 (year 2040),  Design Load: HS 25 or greater,  Features Intersected: EIGHTEEN MILE CRK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.216,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 10.1m (33.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 22.0m (72.2ft),  Curb-To-Curb Width: 10.2m (33.5ft),  Out-to-Out Width: 11.2m (36.7ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 81.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 49.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.34m (7.68ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Bridge Improvement Cost: $1,108,000,  Roadway Improvement Cost: $649,000,  Total Project Cost: $1,757,000 ( Estimate for 2021),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Galvanized Reinforcing
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Structure Number: 1092191,  Location: 3.9MI S JCT RTS 20A + 219 (Lat: 42.709978,  Lng: -78.785844),  Route carried "on" structure: US 219,  Year Built: 1977,  Year Reconstructed: 2020,  Status: Open,  Structure Length: 4.66m (15.29ft),  Average Daily Traffic: 6,843 (year 2018),  Truck Traffic: 5%,  Average Future Daily Traffic: 7,929 (year 2040),  Design Load: HS 20,  Features Intersected: ABBOTT ROAD CR 28
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 28.705,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Skew: 5 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 44.8m (147.0ft),  Curb-To-Curb Width: 12.5m (41.0ft),  Out-to-Out Width: 13.4m (44.0ft)

Condition: Deck: Excellent,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 55.4 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 42.8 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.66m (15.29ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Bridge Improvement Cost: $3,551,000,  Roadway Improvement Cost: $2,080,000,  Total Project Cost: $5,631,000 ( Estimate for 2021),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 1092192,  Location: 3.9MI S JCT RTS 20A + 219 (Lat: 42.709603,  Lng: -78.785544),  Route carried "on" structure: US 219,  Year Built: 1977,  Year Reconstructed: 2019,  Status: Open,  Structure Length: 4.33m (14.21ft),  Average Daily Traffic: 6,843 (year 2018),  Truck Traffic: 5%,  Average Future Daily Traffic: 7,929 (year 2040),  Design Load: HS 20,  Features Intersected: ABBOTT ROAD CR 28
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 28.705,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 42.6m (139.8ft),  Curb-To-Curb Width: 12.5m (41.0ft),  Out-to-Out Width: 13.4m (44.0ft)

Condition: Deck: Excellent,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 50.2 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 38.6 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.32m (14.17ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Bridge Improvement Cost: $3,376,000,  Roadway Improvement Cost: $1,977,000,  Total Project Cost: $5,353,000 ( Estimate for 2021),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete
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Structure Number: 1092201,  Location: 3 MI S JCT US 20A & US219 (Lat: 42.722239,  Lng: -78.777775),  Route carried "on" structure: US 219,  Year Built: 1977,  Year Reconstructed: 2020,  Status: Open,  Structure Length: 3.81m (12.50ft),  Average Daily Traffic: 6,843 (year 2018),  Truck Traffic: 5%,  Average Future Daily Traffic: 7,929 (year 2040),  Design Load: HS 20,  Features Intersected: NEWTON ROAD CR514
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 30.297,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 36.3m (119.1ft),  Curb-To-Curb Width: 12.5m (41.0ft),  Out-to-Out Width: 13.4m (44.0ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 49.6 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 38.2 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  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,  Length Of Structure Improvement: 3.81m (12.50ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $2,671,000,  Roadway Improvement Cost: $1,564,000,  Total Project Cost: $4,235,000 ( Estimate for 2021),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 1092202,  Location: 3 MI S JCT US 20A & US219 (Lat: 42.722264,  Lng: -78.777311),  Route carried "on" structure: US 219,  Year Built: 1977,  Year Reconstructed: 2020,  Status: Open,  Structure Length: 3.81m (12.50ft),  Average Daily Traffic: 6,843 (year 2018),  Truck Traffic: 5%,  Average Future Daily Traffic: 7,929 (year 2040),  Design Load: HS 20,  Features Intersected: NEWTON ROAD CR 51
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 30.297,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 36.3m (119.1ft),  Curb-To-Curb Width: 12.5m (41.0ft),  Out-to-Out Width: 13.4m (44.0ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Very good,  Operating Rating: 49.6 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 38.2 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.74m (12.27ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $2,645,000,  Roadway Improvement Cost: $1,549,000,  Total Project Cost: $4,194,000 ( Estimate for 2021),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 109223,  Location: 4.3MI S JCT RTS 20A & 219 (Lat: 42.703214,  Lng: -78.785819),  Route carried "on" structure: US 219,  Year Built: 1977,  Status: Open,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 13,685 (year 2018),  Truck Traffic: 5%,  Average Future Daily Traffic: 15,858 (year 2040),  Design Load: HS 20,  Features Intersected: BR EIGHTEEN M CRK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 28.029,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 26.2m (86.0ft),  Skew: 20 degrees,  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.9m (12.8ft)

Condition: Channel: Good,  Culverts: Very good,  Operating Rating: 75.4 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present desirable criteria,  Waterway Adequacy: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.82m (2.69ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Bridge Improvement Cost: $596,000,  Roadway Improvement Cost: $349,000,  Total Project Cost: $945,000 ( Estimate for 2021),  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 109224,  Location: 2.7MI S JCT RTS 20A & 219 (Lat: 42.725281,  Lng: -78.775286),  Route carried "on" structure: US 219,  Year Built: 1977,  Status: Open,  Structure Length: 1.34m (4.40ft),  Average Daily Traffic: 13,685 (year 2018),  Truck Traffic: 5%,  Average Future Daily Traffic: 15,858 (year 2040),  Design Load: HS 20,  Features Intersected: NEWMAN CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 30.700,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 24.4m (80.1ft),  Skew: 24 degrees,  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.6m (11.8ft)

Condition: Channel: Satisfactory,  Culverts: Very good,  Operating Rating: 75.1 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present desirable criteria,  Waterway Adequacy: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.34m (4.40ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Bridge Improvement Cost: $904,000,  Roadway Improvement Cost: $529,000,  Total Project Cost: $1,433,000 ( Estimate for 2021),  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 225497,  Location: 2.7 MI.S RTS.20A & 219 (Lat: 42.725147,  Lng: -78.776383),  Route carried "on" structure: Other road ,  Year Built: 1977,  Year Reconstructed: 2018,  Status: Open,  Structure Length: 1.28m (4.20ft),  Average Daily Traffic: 248 (year 2017),  Truck Traffic: 9%,  Average Future Daily Traffic: 347 (year 2037),  Design Load: HS 20,  Features Intersected: NEUMAN CREEK,  Facility Carried by Structure: DRAUDT ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.370,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.6m (11.8ft)

Condition: Channel: Fair,  Culverts: Fair,  Operating Rating: 74.8 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 29.4 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.28m (4.20ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Bridge Improvement Cost: $366,000,  Roadway Improvement Cost: $215,000,  Total Project Cost: $581,000 ( Estimate for 2021),  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 332738,  Location: 1.2 MI NW OF NORTH BOSTON (Lat: 42.705731,  Lng: -78.782342),  Route carried "on" structure: County highway ,  Year Built: 1990,  Status: Open,  Structure Length: 1.04m (3.41ft),  Average Daily Traffic: 1,505 (year 2020),  Truck Traffic: 5%,  Average Future Daily Traffic: 1,862 (year 2040),  Design Load: HS 20,  Features Intersected: BR 18 MILE CREEK,  Facility Carried by Structure: ABBOTT ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.747,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.7m (31.8ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Inventory Rating: 59.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.03m (3.38ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Bridge Improvement Cost: $536,000,  Roadway Improvement Cost: $314,000,  Total Project Cost: $850,000 ( Estimate for 2021),  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: 332763,  Location: 2 MILES N OF NEW OREGON (Lat: 42.608183,  Lng: -78.819122),  Route carried "on" structure: County highway ,  Year Built: 2004,  Status: Open,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 142 (year 2019),  Truck Traffic: 5%,  Average Future Daily Traffic: 199 (year 2039),  Design Load: HS 25 or greater,  Features Intersected: TRB S B 18 MI CRK,  Facility Carried by Structure: NEW OREGON ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 11.166,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 5.8m (19.0ft),  Skew: 1 degrees,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.9m (29.2ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 8.8m (28.9ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Very good,  Channel: Good,  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Meets minimum limits,  Approach Roadway Alignment: Meets minimum limits,  Length Of Structure Improvement: 0.94m (3.08ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Bridge Improvement Cost: $339,000,  Roadway Improvement Cost: $198,000,  Total Project Cost: $537,000 ( Estimate for 2021),  Wearing Surface/Protective System: Wearing Surface: Other
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Structure Number: 33278,  Location: 2.3 MI W OF NORTH BOSTON (Lat: 42.680758,  Lng: -78.821750),  Route carried "on" structure: County highway ,  Year Built: 1983,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 1,128 (year 2016),  Truck Traffic: 2%,  Average Future Daily Traffic: 1,579 (year 2036),  Design Load: HS 20,  Features Intersected: HAMPTON BROOK,  Facility Carried by Structure: NORTH BOSTON ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.451,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.7m (22.0ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 76.8 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 29.4 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.70m (2.30ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  Bridge Improvement Cost: $236,000,  Roadway Improvement Cost: $138,000,  Total Project Cost: $374,000 ( Estimate for 2021),  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 332785,  Location: 2.4 MI. SW OF N. BOSTON (Lat: 42.663744,  Lng: -78.814989),  Route carried "on" structure: Other road ,  Year Built: 1990,  Status: Open,  Structure Length: 3.23m (10.60ft),  Average Daily Traffic: 477 (year 2016),  Truck Traffic: 5%,  Average Future Daily Traffic: 668 (year 2036),  Design Load: HS 20,  Features Intersected: HAMPTON BROOK,  Facility Carried by Structure: KELLER ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.998,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 31.3m (102.7ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Good,  Channel: Very good,  Operating Rating: 71.3 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 55.1 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.23m (10.60ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $1,363,000,  Roadway Improvement Cost: $798,000,  Total Project Cost: $2,161,000 ( Estimate for 2021),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 332788,  Location: 1.3 MI N OF NORTH BOSTON (Lat: 42.710528,  Lng: -78.777519),  Route carried "on" structure: Other road ,  Year Built: 1936,  Status: Posted for load-capacity,  Structure Length: 1.16m (3.81ft),  Average Daily Traffic: 156 (year 2016),  Truck Traffic: 4%,  Average Future Daily Traffic: 218 (year 2036),  Features Intersected: TRIB 18 MILE CRK,  Facility Carried by Structure: BUNTING ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.805,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 10.6m (34.8ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.4m (27.6ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Satisfactory,  Inventory Rating: 64.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Meets minimum limits,  Length Of Structure Improvement: 1.15m (3.77ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Bridge Improvement Cost: $690,000,  Roadway Improvement Cost: $404,000,  Total Project Cost: $1,094,000 ( Estimate for 2021),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 336229,  Location: 1.9 MI N OF NORTH BOSTON (Lat: 42.711664,  Lng: -78.766256),  Route carried "on" structure: Other road ,  Year Built: 1936,  Status: Open,  Structure Length: 1.07m (3.51ft),  Average Daily Traffic: 112 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 157 (year 2040),  Features Intersected: BR 18 MILE CREEK,  Facility Carried by Structure: WARD DRIVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.043,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 5.5m (18.0ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.8m (15.7ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.5m (27.9ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 73.3 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Meets minimum limits,  Approach Roadway Alignment: Meets minimum limits,  Length Of Structure Improvement: 1.06m (3.48ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Bridge Improvement Cost: $295,000,  Roadway Improvement Cost: $173,000,  Total Project Cost: $467,000 ( Estimate for 2021)
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Structure Number: 1092191,  Location: 3.9MI S JCT RTS 20A + 219 (Lat: 42.709978,  Lng: -78.785844),  Route carried "under" structure: County highway ,  Year Built: 1977,  Structure Length: 0. m,  Average Daily Traffic: 753 (year 2020),  Truck Traffic: 5%,  Features Intersected: ABBOTT ROAD CR 28,  Facility Carried by Structure: RTE 219
Minimum Vertical Clearance: 4.75m (15.58ft),  Kilometerpoint: 3.459,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 44.8m (147.0ft)

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Structure Number: 1092192,  Location: 3.9MI S JCT RTS 20A + 219 (Lat: 42.709603,  Lng: -78.785544),  Route carried "under" structure: County highway ,  Year Built: 1977,  Structure Length: 0. m,  Average Daily Traffic: 753 (year 2020),  Truck Traffic: 5%,  Features Intersected: ABBOTT ROAD CR 28,  Facility Carried by Structure: RTE 219
Minimum Vertical Clearance: 4.57m (14.99ft),  Kilometerpoint: 1.802,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 42.6m (139.8ft)

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Structure Number: 1092201,  Location: 3 MI S JCT US 20A & US219 (Lat: 42.722239,  Lng: -78.777775),  Route carried "under" structure: County highway ,  Year Built: 1977,  Structure Length: 0. m,  Average Daily Traffic: 694 (year 2019),  Truck Traffic: 4%,  Features Intersected: NEWTON ROAD CR514,  Facility Carried by Structure: RTE 219
Minimum Vertical Clearance: 4.67m (15.32ft),  Kilometerpoint: 2.446,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 36.3m (119.1ft)

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Structure Number: 1092202,  Location: 3 MI S JCT US 20A & US219 (Lat: 42.722264,  Lng: -78.777311),  Route carried "under" structure: County highway ,  Year Built: 1977,  Structure Length: 0. m,  Average Daily Traffic: 695 (year 2017),  Truck Traffic: 3%,  Features Intersected: NEWTON ROAD CR 51,  Facility Carried by Structure: RTE 219
Minimum Vertical Clearance: 4.88m (16.01ft),  Kilometerpoint: 3.652,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 36.3m (119.1ft)

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