Bridge Statistics for Woodstock, New Hampshire (NH)
Condition, Traffic, Stress, Structural Evaluation, Project Costs

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Structure Number: 284006100153,  Location: 2.05 MI SE EASTON TL (Lat: 44.045367,  Lng: -71.792744),  Route carried "on" structure: State highway 112,  Year Built: 1995,  Status: Open,  Structure Length: 2.45m (8.04ft),  Average Daily Traffic: 912 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 1,349 (year 2042),  Design Load: HS 25 or greater,  Features Intersected: WILD AMMONOOSUC RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 22.576,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 22.9m (75.1ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 8.9m (29.2ft),  Out-to-Out Width: 10.0m (32.8ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 98.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 58.8 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: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.45m (8.04ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 284010300135,  Location: 1.9 MI W OF JCT RT 118 (Lat: 44.026211,  Lng: -71.754436),  Route carried "on" structure: State highway 112,  Year Built: 1957,  Year Reconstructed: 1998,  Status: Open,  Structure Length: 1.98m (6.50ft),  Average Daily Traffic: 912 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 1,349 (year 2042),  Design Load: H 15,  Features Intersected: LOST RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 26.657,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.3m (60.0ft),  Curb-To-Curb Width: 9.0m (29.5ft),  Out-to-Out Width: 10.3m (33.8ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 34.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 24.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.98m (6.50ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other

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Structure Number: 284012900134,  Location: 0.1 MI W OF JCT RTE 112 (Lat: 44.021258,  Lng: -71.732042),  Route carried "on" structure: State highway 118,  Year Built: 1941,  Year Reconstructed: 1981,  Status: Open,  Structure Length: 1.83m (6.00ft),  Average Daily Traffic: 448 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 663 (year 2042),  Design Load: H 20,  Features Intersected: LOST RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 59.501,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 6.4m (21.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 17.4m (57.1ft),  Curb-To-Curb Width: 6.3m (20.7ft),  Out-to-Out Width: 7.2m (23.6ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 46.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 27.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.83m (6.00ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 284016400159,  Location: 0.3 MI WEST OF JCT RTE 3 (Lat: 44.031275,  Lng: -71.691986),  Route carried "on" structure: State highway 112,  Year Built: 1940,  Status: Open,  Structure Length: 1.33m (4.36ft),  Average Daily Traffic: 2,434 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 3,602 (year 2042),  Design Load: H 15,  Features Intersected: GORDON POND BROOK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 32.472,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.2m (40.0ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 9.7m (31.8ft),  Out-to-Out Width: 10.7m (35.1ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 30.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 19.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.33m (4.36ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete

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Structure Number: 284017000159,  Location: 0.1 MI E JCT ROUTE 3 (Lat: 44.029961,  Lng: -71.684911),  Route carried "on" structure: State highway 112,  Year Built: 1933,  Status: Open,  Structure Length: 2.68m (8.79ft),  Average Daily Traffic: 6,053 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 8,958 (year 2042),  Design Load: H 10,  Features Intersected: PEMIGEWASSET RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 33.078,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Concrete,  Design/Construction: Frame,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 24.4m (80.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 8.6m (28.2ft),  Out-to-Out Width: 9.9m (32.5ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Channel: Good,  Operating Rating: 33.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 19.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.68m (8.79ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 284017100153,  Location: 5.6 MI FROM THORNTON TL (Lat: 44.025750,  Lng: -71.685067),  Route carried "on" structure: US 3,  Year Built: 1931,  Status: Open,  Structure Length: 2.10m (6.89ft),  Average Daily Traffic: 2,371 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 3,509 (year 2042),  Design Load: H 15,  Features Intersected: LOST RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 202.876,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete,  Design/Construction: Arch - Deck,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 21.0m (68.9ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 7.6m (24.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Good,  Operating Rating: 43.7 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 26.3 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.10m (6.89ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022)

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Structure Number: 284017400162,  Location: 0.27 NE LINCOLN TL (Lat: 44.033286,  Lng: -71.679986),  Route carried "on" structure: Interstate 93,  Year Built: 1972,  Year Reconstructed: 2011,  Status: Open,  Structure Length: 4.91m (16.11ft),  Average Daily Traffic: 9,226 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 13,654 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: NH112,NHRR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 50.427,  Lanes on structure: 3,  Lanes under structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 18.0m (59.1ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 46.6m (152.9ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 17.8m (58.4ft),  Out-to-Out Width: 19.2m (63.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 52.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 31.2 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: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.91m (16.11ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other

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Structure Number: 284017500163,  Location: 0.29 MI LINCOLN TL (Lat: 44.034008,  Lng: -71.679292),  Route carried "on" structure: Interstate 93,  Year Built: 1972,  Year Reconstructed: 2010,  Status: Open,  Structure Length: 4.57m (14.99ft),  Average Daily Traffic: 6,268 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 9,276 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: NH112,NHRR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 161.548,  Lanes on structure: 2,  Lanes under structure: 3,  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: 43.9m (144.0ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 12.3m (40.4ft),  Out-to-Out Width: 13.7m (44.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 51.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.8 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: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.57m (14.99ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other

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Structure Number: 28401760016,  Location: 0.5 MI LINCOLN TL (Lat: 44.030717,  Lng: -71.678908),  Route carried "on" structure: Interstate 93,  Year Built: 1972,  Status: Open,  Structure Length: 8.63m (28.31ft),  Average Daily Traffic: 6,377 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 9,437 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: E BR PEMIGEWASSET RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 50.736,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 17.1m (56.1ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 32.3m (106.0ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 12.3m (40.4ft),  Out-to-Out Width: 13.7m (44.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 50.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.2 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,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 8.63m (28.31ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other

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Structure Number: 284017700148,  Location: 0.05 MI FROM JCT RTE 3 (Lat: 44.021989,  Lng: -71.681944),  Route carried "on" structure: State highway 175,  Year Built: 1939,  Status: Posted for load,  Structure Length: 5.58m (18.31ft),  Average Daily Traffic: 513 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 759 (year 2042),  Design Load: H 15,  Features Intersected: PEMIGEWASSET RIVER
Minimum Vertical Clearance: 4.30m (14.11ft),  Kilometerpoint: 40.541,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Arch - Thru,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 52.4m (171.9ft),  Curb or Sidewalk Widths: Left: 0.8m (2.6ft),  Right: 0.8m (2.6ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 9.4m (30.8ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 16.3 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 12.6 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Meets minimum limits,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to 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: 5.58m (18.31ft),  Designated Inspection Frequency: Every 8 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Critical Feature Inspection Date: July 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Open Grating,  Wearing Surface/Protective System: Wearing Surface: Other

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Structure Number: 284017700161,  Location: 0.5 MI LINCOLN TL (Lat: 44.031225,  Lng: -71.677944),  Route carried "on" structure: Interstate 93,  Year Built: 1972,  Status: Open,  Structure Length: 11.13m (36.52ft),  Average Daily Traffic: 6,268 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 9,276 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: E BR PEMIGEWASSET RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 161.219,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 41.5m (136.2ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 12.3m (40.4ft),  Out-to-Out Width: 13.7m (44.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 50.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.6 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,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 11.13m (36.52ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other

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Structure Number: 284019500091,  Location: 0.5 MI EAST JCT US 3 (Lat: 43.978725,  Lng: -71.681189),  Route carried "on" structure: State highway 175,  Year Built: 1976,  Status: Open,  Structure Length: 2.59m (8.50ft),  Average Daily Traffic: 721 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 1,067 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: PEMIGEWASSET RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 35.249,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 24.4m (80.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 10.5m (34.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 44.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.59m (8.50ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other

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Structure Number: 284019500093,  Location: 0.6 MI EAST JCT US 3 (Lat: 43.979722,  Lng: -71.679894),  Route carried "on" structure: State highway 175,  Year Built: 1976,  Status: Open,  Structure Length: 9.75m (31.99ft),  Average Daily Traffic: 721 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 1,067 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: PEMIGEWASSET RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 35.402,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.7m (31.8ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 36.9m (121.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 10.5m (34.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Poor,  Channel: Fair,  Operating Rating: 48.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 28.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 9.75m (31.99ft),  Designated Inspection Frequency: Every 8 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: November 2021,  Underwater Inspection Date: August 2019,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other

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Structure Number: 284019700085,  Location: 0.5 MI EAST JCT US 3 (Lat: 43.975275,  Lng: -71.679464),  Route carried "on" structure: Spur State highway 175,  Year Built: 1976,  Status: Open,  Structure Length: 8.53m (27.99ft),  Average Daily Traffic: 721 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 1,067 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: PEMIGEWASSET RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 34.805,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 32.0m (105.0ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 10.5m (34.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 46.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 27.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 8.53m (27.99ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other

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Structure Number: 284020000108,  Location: 3.46 MI LINCOLN TL (Lat: 43.989122,  Lng: -71.673508),  Route carried "on" structure: Interstate 93,  Year Built: 1972,  Year Reconstructed: 2009,  Status: Open,  Structure Length: 4.51m (14.80ft),  Average Daily Traffic: 6,273 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 9,284 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: TRIPOLI ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 55.463,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.9m (39.0ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 42.7m (140.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 12.3m (40.4ft),  Out-to-Out Width: 13.7m (44.9ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 54.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.7 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,  Length Of Structure Improvement: 4.51m (14.80ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other

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Structure Number: 284020100034,  Location: 0.24 MI THORNTON TL (Lat: 43.938458,  Lng: -71.688572),  Route carried "on" structure: Interstate 93,  Year Built: 1970,  Year Reconstructed: 2002,  Status: Open,  Structure Length: 2.29m (7.51ft),  Average Daily Traffic: 6,358 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 9,409 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: MIRROR LAKE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 61.388,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.9m (39.0ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 21.0m (68.9ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 12.5m (41.0ft),  Out-to-Out Width: 13.7m (44.9ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 52.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 31.8 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,  Length Of Structure Improvement: 2.29m (7.51ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other

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Structure Number: 284020100068,  Location: 1.84 MI THORNTON TL (Lat: 43.960403,  Lng: -71.679467),  Route carried "on" structure: Interstate 93,  Year Built: 1970,  Status: Open,  Structure Length: 12.44m (40.81ft),  Average Daily Traffic: 6,273 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 9,284 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: PEMIGEWASSET RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 58.809,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 47.2m (154.9ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 12.3m (40.4ft),  Out-to-Out Width: 13.7m (44.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 53.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 12.44m (40.81ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other

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Structure Number: 284020100108,  Location: 3.46 MI LINCOLN TL (Lat: 43.989364,  Lng: -71.672772),  Route carried "on" structure: Interstate 93,  Year Built: 1972,  Status: Open,  Structure Length: 4.51m (14.80ft),  Average Daily Traffic: 6,142 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 9,090 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: TRIPOLI ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 156.454,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.9m (39.0ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 42.7m (140.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 12.3m (40.4ft),  Out-to-Out Width: 13.7m (44.9ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 55.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.0 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,  Length Of Structure Improvement: 4.51m (14.80ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other

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Structure Number: 284020200034,  Location: 0.24 MI THORNTON TL (Lat: 43.938147,  Lng: -71.688108),  Route carried "on" structure: Interstate 93,  Year Built: 1970,  Year Reconstructed: 2002,  Status: Open,  Structure Length: 2.29m (7.51ft),  Average Daily Traffic: 6,216 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 9,199 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: MIRROR LAKE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 150.459,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.9m (39.0ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 21.0m (68.9ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 12.5m (41.0ft),  Out-to-Out Width: 13.7m (44.9ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Operating Rating: 52.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 31.2 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,  Length Of Structure Improvement: 2.29m (7.51ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other

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Structure Number: 284020200064,  Location: 1.72 MI THORNTON TL (Lat: 43.958872,  Lng: -71.680325),  Route carried "on" structure: Interstate 93,  Year Built: 1970,  Year Reconstructed: 2002,  Status: Open,  Structure Length: 5.12m (16.80ft),  Average Daily Traffic: 6,551 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 9,695 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: US 3,NHRR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 59.000,  Lanes on structure: 3,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.3m (40.4ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 39.0m (128.0ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 13.3m (43.6ft),  Out-to-Out Width: 14.5m (47.6ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 51.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: High priority of replacement,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 5.12m (16.80ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other

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Structure Number: 284020200068,  Location: 1.84 MI THORNTON TL (Lat: 43.960178,  Lng: -71.679086),  Route carried "on" structure: Interstate 93,  Year Built: 1970,  Status: Open,  Structure Length: 12.44m (40.81ft),  Average Daily Traffic: 6,142 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 9,090 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: PEMIGEWASSET RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 153.042,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 17.1m (56.1ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 47.2m (154.9ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 12.3m (40.4ft),  Out-to-Out Width: 13.7m (44.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 53.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 12.44m (40.81ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other

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Structure Number: 284020300064,  Location: 1.72 MI THORNTON TL (Lat: 43.958456,  Lng: -71.679992),  Route carried "on" structure: Interstate 93,  Year Built: 1970,  Year Reconstructed: 2002,  Status: Open,  Structure Length: 5.76m (18.90ft),  Average Daily Traffic: 6,429 (year 2020),  Truck Traffic: 19%,  Average Future Daily Traffic: 9,514 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: US 3,NHRR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 152.838,  Lanes on structure: 3,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 18.3m (60.0ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 42.4m (139.1ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 14.0m (45.9ft),  Out-to-Out Width: 15.5m (50.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 46.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 27.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 5.76m (18.90ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other

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Structure Number: 284020300079,  Location: 2.51 MI THORNTON TL (Lat: 43.969447,  Lng: -71.675450),  Route carried "on" structure: Interstate 93,  Year Built: 1972,  Status: Open,  Structure Length: 1.28m (4.20ft),  Average Daily Traffic: 6,273 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 9,284 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: EASTMAN BROOK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 57.746,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.5m (41.0ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 5.5m (18.0ft)

Condition: Channel: Fair,  Culverts: Satisfactory,  Operating Rating: 89.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 75.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Superior to present desirable 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: April 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022)

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Structure Number: 284020300081,  Location: 2.57 MI THORNTON TL (Lat: 43.970381,  Lng: -71.675144),  Route carried "on" structure: Interstate 93,  Year Built: 1972,  Year Reconstructed: 2009,  Status: Open,  Structure Length: 2.59m (8.50ft),  Average Daily Traffic: 6,273 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 9,284 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: NH175
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 57.637,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.9m (39.0ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 24.4m (80.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 12.3m (40.4ft),  Out-to-Out Width: 13.7m (44.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 49.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.59m (8.50ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other

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Structure Number: 284020400079,  Location: 2.51 MI THORNTON TL (Lat: 43.969325,  Lng: -71.675044),  Route carried "on" structure: Interstate 93,  Year Built: 1972,  Status: Open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 6,142 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 9,090 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: EASTMAN BROOK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 154.127,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 5.5m (18.0ft),  Out-to-Out Width: 26.5m (86.9ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 89.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 58.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.22m (4.00ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022)

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Structure Number: 284020400081,  Location: 2.57 MI THORNTON TL (Lat: 43.970100,  Lng: -71.674756),  Route carried "on" structure: Interstate 93,  Year Built: 1972,  Year Reconstructed: 2010,  Status: Open,  Structure Length: 2.59m (8.50ft),  Average Daily Traffic: 6,142 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 9,090 (year 2042),  Design Load: HS 20+Mod,  Features Intersected: NH175
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 154.212,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.9m (39.0ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 24.4m (80.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 12.3m (40.4ft),  Out-to-Out Width: 13.7m (44.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 49.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.59m (8.50ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other

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Structure Number: 284020500078,  Location: .2 MI FROM THORNTON TL (Lat: 43.968844,  Lng: -71.673581),  Route carried "on" structure: State highway 175,  Year Built: 1973,  Year Reconstructed: 2009,  Status: Open,  Structure Length: 1.74m (5.71ft),  Average Daily Traffic: 307 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 454 (year 2042),  Design Load: HS 20,  Features Intersected: EASTMAN BROOK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 33.898,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Frame,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 15.2m (49.9ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 8.1m (26.6ft),  Out-to-Out Width: 9.4m (30.8ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 45.1 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 26.9 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.74m (5.71ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Bridge Improvement Cost: $2,718,000,  Roadway Improvement Cost: $200,000,  Total Project Cost: $3,142,000 ( Estimate for 2022),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Other

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Structure Number: 284020100034,  Location: 0.24 MI THORNTON TL (Lat: 43.938458,  Lng: -71.688572),  Route carried "under" structure: Other road ,  Year Built: 1970,  Structure Length: 0. m,  Average Daily Traffic: 100 (year 2004),  Truck Traffic: 1%,  Features Intersected: MIRROR LAKE ROAD,  Facility Carried by Structure: I-93 SB
Minimum Vertical Clearance: 4.39m (14.40ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 21.0m (68.9ft)

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Structure Number: 284020200034,  Location: 0.24 MI THORNTON TL (Lat: 43.938147,  Lng: -71.688108),  Route carried "under" structure: Other road ,  Year Built: 1970,  Structure Length: 0. m,  Average Daily Traffic: 100 (year 2004),  Truck Traffic: 1%,  Features Intersected: MIRROR LAKE ROAD,  Facility Carried by Structure: I-93 NB
Minimum Vertical Clearance: 4.39m (14.40ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 21.0m (68.9ft)

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Structure Number: 284020200064,  Location: 1.72 MI THORNTON TL (Lat: 43.958872,  Lng: -71.680325),  Route carried "under" structure: US US3,  Year Built: 1970,  Structure Length: 0. m,  Average Daily Traffic: 960 (year 2013),  Truck Traffic: 2%,  Features Intersected: US 3,NHRR,  Facility Carried by Structure: I-93 SB
Minimum Vertical Clearance: 6.58m (21.59ft),  Kilometerpoint: 0.000,  Lanes on structure: 3,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 39.0m (128.0ft)

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Structure Number: 284020300064,  Location: 1.72 MI THORNTON TL (Lat: 43.958456,  Lng: -71.679992),  Route carried "under" structure: US US3,  Year Built: 1970,  Structure Length: 0. m,  Average Daily Traffic: 960 (year 2013),  Truck Traffic: 2%,  Features Intersected: US 3,NHRR,  Facility Carried by Structure: I-93 NB
Minimum Vertical Clearance: 6.40m (21.00ft),  Kilometerpoint: 0.000,  Lanes on structure: 3,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 42.4m (139.1ft)

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Structure Number: 284020300081,  Location: 2.57 MI THORNTON TL (Lat: 43.970381,  Lng: -71.675144),  Route carried "under" structure: Spur State highway 175,  Year Built: 1972,  Structure Length: 0. m,  Average Daily Traffic: 450 (year 2013),  Truck Traffic: 10%,  Features Intersected: NH175,  Facility Carried by Structure: I-93 SB
Minimum Vertical Clearance: 4.29m (14.07ft),  Kilometerpoint: 34.139,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 24.4m (80.1ft)

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Structure Number: 284020400081,  Location: 2.57 MI THORNTON TL (Lat: 43.970100,  Lng: -71.674756),  Route carried "under" structure: Spur State highway 175,  Year Built: 1972,  Structure Length: 0. m,  Average Daily Traffic: 450 (year 2013),  Truck Traffic: 10%,  Features Intersected: NH175,  Facility Carried by Structure: I-93 NB
Minimum Vertical Clearance: 4.36m (14.30ft),  Kilometerpoint: 34.096,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 24.4m (80.1ft)