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

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Structure Number: 7006000158,  Location: 0.1 MI BEDFORD TL (Lat: 42.923953,  Lng: -71.580003),  Route carried "on" structure: Other road ,  Year Built: 1992,  Status: Open,  Structure Length: 1.01m (3.31ft),  Average Daily Traffic: 640 (year 2003),  Truck Traffic: 4%,  Average Future Daily Traffic: 947 (year 2026),  Features Intersected: PULPIT BROOK,  Facility Carried by Structure: HORACE GREELEY RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.741,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 6.4m (21.0ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 2.7m (8.9ft)

Condition: Channel: Very good,  Culverts: Satisfactory,  Operating Rating: 68.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 51.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 1.01m (3.31ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008)

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Structure Number: 7006300118,  Location: 1.4 MI FR DODGE/AUSTIN R (Lat: 42.917617,  Lng: -71.616961),  Route carried "on" structure: Other road ,  Year Built: 1985,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 50 (year 1984),  Average Future Daily Traffic: 74 (year 2026),  Features Intersected: JOE ENGLISH BROOK,  Facility Carried by Structure: BROOK ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.253,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 1.8m (5.9ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 89.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 82.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 0.76m (2.49ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008)

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Structure Number: 7008700129,  Location: 2.2 MI BEDFORD TL (Lat: 42.901442,  Lng: -71.602489),  Route carried "on" structure: Other road ,  Year Built: 1989,  Status: Open,  Structure Length: 1.37m (4.49ft),  Average Daily Traffic: 2,100 (year 2005),  Truck Traffic: 10%,  Average Future Daily Traffic: 3,108 (year 2026),  Design Load: HS 25,  Features Intersected: JOE ENGLISH BROOK,  Facility Carried by Structure: HORACE GREELEY RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.474,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.6m (38.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 8.2m (26.9ft),  Out-to-Out Width: 9.3m (30.5ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 56.2 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 40.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.37m (4.49ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  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: 7009200129,  Location: 0.6 MI NH 101 (Lat: 42.897033,  Lng: -71.603675),  Route carried "on" structure: Other road ,  Year Built: 1940,  Status: Closed,  Structure Length: 0.43m (1.41ft),  Average Daily Traffic: 100 (year 1984),  Average Future Daily Traffic: 148 (year 2026),  Features Intersected: JOE ENGLISH BROOK,  Facility Carried by Structure: PINE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.064,  Lanes on structure: 1,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 3.0m (9.8ft),  Skew: 2 degrees,  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 3.4m (11.2ft),  Curb-To-Curb Width: 1.2m (3.9ft),  Out-to-Out Width: 6.7m (22.0ft)

Condition: Deck: Imminent failure,  Superstructure: Imminent failure,  Substructure: Imminent failure,  Channel: Poor,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 0.43m (1.41ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 7009300139,  Location: 1.15 MI SW BEDFORD TL (Lat: 42.898433,  Lng: -71.592672),  Route carried "on" structure: State highway 101,  Year Built: 1936,  Year Reconstructed: 1960,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 18,000 (year 2005),  Truck Traffic: 7%,  Average Future Daily Traffic: 26,640 (year 2026),  Features Intersected: JOE ENGLISH BROOK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.173,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.1m (20.0ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.1m (43.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 35.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 21.8 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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.67m (2.20ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2006,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 7009300153,  Location: 0.4 MI MERRIMACK TL (Lat: 42.900344,  Lng: -71.579583),  Route carried "on" structure: Other road ,  Year Built: 1951,  Status: Open,  Structure Length: 0.55m (1.80ft),  Average Daily Traffic: 1,500 (year 1992),  Truck Traffic: 4%,  Average Future Daily Traffic: 2,220 (year 2026),  Design Load: H 15,  Features Intersected: BABOOSIC BROOK,  Facility Carried by Structure: CAMP ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.628,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 5.5m (18.0ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 42.6 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 6.4 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 0.55m (1.80ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008)

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Structure Number: 701090009,  Location: 0.15 MI FR MONT VERNON T (Lat: 42.883175,  Lng: -71.637644),  Route carried "on" structure: Other road ,  Year Built: 1966,  Year Reconstructed: 1996,  Status: Open,  Structure Length: 0.58m (1.90ft),  Average Daily Traffic: 760 (year 2005),  Truck Traffic: 4%,  Average Future Daily Traffic: 1,125 (year 2026),  Design Load: HS 25,  Features Intersected: BEAVER BROOK,  Facility Carried by Structure: NEW BOSTON ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.802,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 4.6m (15.1ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.5m (27.9ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 89.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 54.4 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 0.58m (1.90ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric

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Structure Number: 7011200071,  Location: 0.7 MI E MOUNT VERNON TL (Lat: 42.877528,  Lng: -71.650106),  Route carried "on" structure: Other road ,  Year Built: 1956,  Status: Open,  Structure Length: 0.43m (1.41ft),  Average Daily Traffic: 200 (year 1998),  Average Future Daily Traffic: 296 (year 2026),  Features Intersected: CEASARS BROOK,  Facility Carried by Structure: MONT VERNON ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 1.8m (5.9ft)

Condition: Channel: Satisfactory,  Culverts: Fair,  Operating Rating: 89.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 89.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 0.43m (1.41ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008)

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Structure Number: 7011600091,  Location: 1 MI SOUTH MONT VERNON TL (Lat: 42.878056,  Lng: -71.636111),  Route carried "on" structure: Other road ,  Year Built: 2006,  Status: Open,  Structure Length: 0.32m (1.05ft),  Average Daily Traffic: 760 (year 2005),  Truck Traffic: 4%,  Average Future Daily Traffic: 1,125 (year 2026),  Design Load: HS 25,  Features Intersected: BEAVER BROOK,  Facility Carried by Structure: NEW BOSTON ROAD
Minimum Vertical Clearance: 99.00m (324.80ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 6.4m (21.0ft),  Skew: 1 degrees,  Material/Design: Aluminum, Iron,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 3.2m (10.5ft)

Condition: Channel: Very good,  Culverts: Very good,  Operating Rating: 69.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 41.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 0.32m (1.05ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008)

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Structure Number: 7012400087,  Location: 1.6 MI MONT VERNON TL (Lat: 42.870469,  Lng: -71.636167),  Route carried "on" structure: Other road ,  Year Built: 1970,  Status: Open,  Structure Length: 0.61m (2.00ft),  Average Daily Traffic: 3,600 (year 2004),  Truck Traffic: 4%,  Average Future Daily Traffic: 5,328 (year 2026),  Features Intersected: BEAVER BROOK,  Facility Carried by Structure: BOSTON POST ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.255,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 2.4m (7.9ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 31.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 22.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  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: 0.61m (2.00ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008)

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Structure Number: 7013200093,  Location: 2.0 MI MONT VERNON TL (Lat: 42.866914,  Lng: -71.631022),  Route carried "on" structure: Other road ,  Year Built: 1969,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 3,600 (year 2004),  Truck Traffic: 4%,  Average Future Daily Traffic: 5,328 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: BEAVER BROOK,  Facility Carried by Structure: BOSTON POST ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.531,  Lanes on structure: 2,  Owner: City or Municipal 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: 5.5m (18.0ft),  Curb or Sidewalk Widths: Left: 1.6m (5.2ft),  Right: 0.5m (1.6ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 11.4m (37.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very good,  Channel: Good,  Operating Rating: 45.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.64m (2.10ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 70134001,  Location: 0.5 MI JCT 101 (Lat: 42.866489,  Lng: -71.623492),  Route carried "on" structure: Other road ,  Year Built: 1980,  Status: Open,  Structure Length: 1.13m (3.71ft),  Average Daily Traffic: 2,200 (year 2004),  Truck Traffic: 10%,  Average Future Daily Traffic: 3,256 (year 2026),  Design Load: HS 20,  Features Intersected: BEAVER BROOK,  Facility Carried by Structure: MANCHESTER ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.885,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Good,  Culverts: Serious,  Operating Rating: 34.5 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 20.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 1.13m (3.71ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: October 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008)

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Structure Number: 7013500109,  Location: 2.8 MI MILFORD TL (Lat: 42.866133,  Lng: -71.613625),  Route carried "on" structure: State highway ,  Year Built: 1969,  Status: Open,  Structure Length: 2.77m (9.09ft),  Average Daily Traffic: 7,500 (year 2005),  Truck Traffic: 4%,  Average Future Daily Traffic: 11,100 (year 2026),  Design Load: HS 20,  Features Intersected: NH101,  Facility Carried by Structure: AMHERST STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.722,  Lanes on structure: 2,  Lanes under structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 26.5m (86.9ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 13.0m (42.7ft),  Out-to-Out Width: 14.3m (46.9ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Operating Rating: 44.5 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: Somewhat better than minimum adequacy,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.77m (9.09ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 7013700104,  Location: 2.15 MI NE MILFORD TL (Lat: 42.862011,  Lng: -71.619444),  Route carried "on" structure: State highway ,  Year Built: 1940,  Status: Open,  Structure Length: 0.61m (2.00ft),  Average Daily Traffic: 4,700 (year 2005),  Truck Traffic: 4%,  Average Future Daily Traffic: 6,956 (year 2026),  Design Load: H 15,  Features Intersected: BEAVER BROOK,  Facility Carried by Structure: AMHERST STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.396,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.1m (20.0ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 89.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 89.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.61m (2.00ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2006,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008)

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Structure Number: 7014500106,  Location: 3.2 MI FR MERRIMACK TL (Lat: 42.858969,  Lng: -71.616194),  Route carried "on" structure: Other road ,  Year Built: 1970,  Status: Open,  Structure Length: 0.61m (2.00ft),  Average Daily Traffic: 590 (year 2004),  Truck Traffic: 4%,  Average Future Daily Traffic: 873 (year 2026),  Features Intersected: BEAVER BROOK,  Facility Carried by Structure: THORNTONS FERRY RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.150,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 2.7m (8.9ft)

Condition: Channel: Fair,  Culverts: Fair,  Operating Rating: 89.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 80.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 0.61m (2.00ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008)

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Structure Number: 701460011,  Location: 2.3 MI MILFORD TL (Lat: 42.858092,  Lng: -71.611442),  Route carried "on" structure: State highway 101,  Year Built: 1971,  Status: Open,  Structure Length: 2.56m (8.40ft),  Average Daily Traffic: 15,000 (year 2003),  Truck Traffic: 7%,  Average Future Daily Traffic: 22,200 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: THORNTONS FERRY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.701,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  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: 12.8m (42.0ft),  Out-to-Out Width: 14.2m (46.6ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 39.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 23.6 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,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.56m (8.40ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 7015900105,  Location: NH101 (Lat: 42.850672,  Lng: -71.615425),  Route carried "on" structure: Other road O0000,  Year Built: 1900,  Status: Closed,  Structure Length: 1.25m (4.10ft),  Features Intersected: BEAVER BROOK,  Facility Carried by Structure: BYPASSED HISTORIC
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.002,  Lanes on structure: 1,  Owner: City or Municipal Highway Agency,  Skew: 3 degrees,  Material/Design: Masonry,  Design/Construction: Slab,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 3.4m (11.2ft),  Curb-To-Curb Width: 6.9m (22.6ft),  Out-to-Out Width: 8.2m (26.9ft)

Condition: Deck: Imminent failure,  Superstructure: Imminent failure,  Substructure: Imminent failure,  Channel: Good,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 1.25m (4.10ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 7015900107,  Location: 1.56 MI MILFORD TL (Lat: 42.848158,  Lng: -71.613361),  Route carried "on" structure: State highway 101,  Year Built: 1969,  Status: Open,  Structure Length: 4.15m (13.62ft),  Average Daily Traffic: 15,000 (year 2003),  Truck Traffic: 7%,  Average Future Daily Traffic: 22,200 (year 2026),  Design Load: HS 20,  Features Intersected: BOSTON POST RD,BEAVER BK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.511,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  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: 12.8m (42.0ft),  Out-to-Out Width: 14.3m (46.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 51.1 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: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: High priority of replacement,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.15m (13.62ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 7016000105,  Location: .06 MI FR NH RTE 122 (Lat: 42.849372,  Lng: -71.615258),  Route carried "on" structure: Other road ,  Year Built: 1984,  Status: Open,  Structure Length: 1.04m (3.41ft),  Average Daily Traffic: 3,600 (year 2004),  Truck Traffic: 4%,  Average Future Daily Traffic: 5,328 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: BEAVER BROOK,  Facility Carried by Structure: BOSTON POST ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.647,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Frame,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.6m (15.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 13.0m (42.7ft),  Out-to-Out Width: 13.9m (45.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very good,  Channel: Good,  Operating Rating: 49.0 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 1.04m (3.41ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric

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Structure Number: 7016500104,  Location: 1.3 MI MILFORD TL (Lat: 42.845258,  Lng: -71.615383),  Route carried "on" structure: State highway 101,  Year Built: 1969,  Status: Open,  Structure Length: 5.27m (17.29ft),  Average Daily Traffic: 15,000 (year 2003),  Truck Traffic: 7%,  Average Future Daily Traffic: 22,200 (year 2026),  Design Load: HS 20,  Features Intersected: NH122
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.189,  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 continuous,  Design/Construction: Stringer/Multi-beam,  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: 12.8m (42.0ft),  Out-to-Out Width: 14.1m (46.3ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Operating Rating: 50.8 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: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 5.27m (17.29ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 7017500099,  Location: 0.7 MI MILFORD TL (Lat: 42.836608,  Lng: -71.618814),  Route carried "on" structure: State highway 101,  Year Built: 1969,  Status: Open,  Structure Length: 2.19m (7.19ft),  Average Daily Traffic: 15,000 (year 2003),  Truck Traffic: 7%,  Average Future Daily Traffic: 22,200 (year 2026),  Design Load: HS 20,  Features Intersected: MERRIMACK ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.143,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 20.7m (67.9ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 12.8m (42.0ft),  Out-to-Out Width: 14.1m (46.3ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 50.8 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: Somewhat better than minimum adequacy,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.19m (7.19ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 7017700108,  Location: 0.5 MI NH 101 (Lat: 42.835814,  Lng: -71.609506),  Route carried "on" structure: Other road ,  Year Built: 1986,  Status: Open,  Structure Length: 1.04m (3.41ft),  Average Daily Traffic: 1,800 (year 2003),  Truck Traffic: 4%,  Average Future Daily Traffic: 2,664 (year 2026),  Design Load: HS 20,  Features Intersected: BEAVER BROOK,  Facility Carried by Structure: MERRIMACK ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.317,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete continuous,  Design/Construction: Frame,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.6m (15.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.3m (33.8ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 49.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present desirable 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: 1.04m (3.41ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  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: 7018600107,  Location: 2.35 MI N HOLLIS TL (Lat: 42.825381,  Lng: -71.615097),  Route carried "on" structure: State highway 122,  Year Built: 1956,  Year Reconstructed: 1996,  Status: Open,  Structure Length: 4.33m (14.21ft),  Average Daily Traffic: 6,800 (year 2003),  Truck Traffic: 4%,  Average Future Daily Traffic: 10,064 (year 2026),  Design Load: HS 20,  Features Intersected: SOUHEGAN RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.766,  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: 14.6m (47.9ft),  Curb-To-Curb Width: 9.5m (31.2ft),  Out-to-Out Width: 10.6m (34.8ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 72.6 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 desirable criteria,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.33m (14.21ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2006,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  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: 7018800097,  Location: 0.04 MI MILFORD TL (Lat: 42.826961,  Lng: -71.616864),  Route carried "on" structure: State highway 101,  Year Built: 1971,  Status: Open,  Structure Length: 7.32m (24.02ft),  Average Daily Traffic: 15,000 (year 2003),  Truck Traffic: 7%,  Average Future Daily Traffic: 22,200 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: SOUHEGAN RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.064,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 36.3m (119.1ft),  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: 14.6m (47.9ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 51.7 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: Somewhat better than minimum adequacy,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 7.32m (24.02ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 701930013,  Location: 1.9 MI MERRIMACK TL (Lat: 42.827281,  Lng: -71.585183),  Route carried "on" structure: Other road ,  Year Built: 1977,  Status: Open,  Structure Length: 2.68m (8.79ft),  Average Daily Traffic: 4,200 (year 2004),  Truck Traffic: 4%,  Average Future Daily Traffic: 6,216 (year 2026),  Features Intersected: SOUHEGAN RIVER,  Facility Carried by Structure: BOSTON POST ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.090,  Lanes on structure: 2,  Owner: City or Municipal 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: 25.3m (83.0ft),  Curb or Sidewalk Widths: Left: 1.2m (3.9ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 9.4m (30.8ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 45.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 2.68m (8.79ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 7013500109,  Location: 2.8 MI MILFORD TL (Lat: 42.866133,  Lng: -71.613625),  Route carried "under" structure: State highway 101,  Year Built: 1969,  Structure Length: 2.77m (9.09ft),  Average Daily Traffic: 11,000 (year 1992),  Truck Traffic: 7%,  Features Intersected: NH101,  Facility Carried by Structure: AMHERST STREET
Minimum Vertical Clearance: 0.50m (1.64ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 26.5m (86.9ft)