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

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Structure Number: 170007200124,  Location: 1.0MI RTE 110 (Lat: 44.591422,  Lng: -71.309228),  Route carried "on" structure: Other road ,  Year Built: 1970,  Status: Open,  Structure Length: 0.34m (1.12ft),  Average Daily Traffic: 130 (year 1987),  Truck Traffic: 4%,  Average Future Daily Traffic: 192 (year 2026),  Design Load: H 20,  Features Intersected: POND BROOK,  Facility Carried by Structure: SPRUCEVILLE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.577,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 6.5m (21.3ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 3.4m (11.2ft),  Curb-To-Curb Width: 6.9m (22.6ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 20.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 14.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.34m (1.12ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 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: 170007700133,  Location: 0.9 MI FROM DUMMER TL (Lat: 44.594644,  Lng: -71.301267),  Route carried "on" structure: State highway 110,  Year Built: 1970,  Status: Open,  Structure Length: 3.75m (12.30ft),  Average Daily Traffic: 2,000 (year 2004),  Truck Traffic: 4%,  Average Future Daily Traffic: 2,960 (year 2026),  Design Load: HS 20,  Features Intersected: UPPER AMMONOOSUC RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.885,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 13.1m (43.0ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 36.0m (118.1ft),  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: 14.2m (46.6ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: 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: Better than present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.75m (12.30ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 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: 170008300128,  Location: 0.8 MI FROM DUMMER TL (Lat: 44.597306,  Lng: -71.305053),  Route carried "on" structure: State highway 110,  Year Built: 1954,  Year Reconstructed: 1995,  Status: Open,  Structure Length: 1.83m (6.00ft),  Average Daily Traffic: 2,000 (year 2004),  Truck Traffic: 4%,  Average Future Daily Traffic: 2,960 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: NORTH BRANCH BROOK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.320,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 13.1m (43.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 16.5m (54.1ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 81.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 48.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present desirable criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.83m (6.00ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 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: 170008400132,  Location: 0.2 MI FROM JCT RTE 110 (Lat: 44.596872,  Lng: -71.298075),  Route carried "on" structure: State highway 110A,  Year Built: 1931,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 900 (year 2003),  Average Future Daily Traffic: 1,332 (year 2026),  Design Load: Railroad,  Features Intersected: NH110A,  Facility Carried by Structure: SL&ARR
Minimum Vertical Clearance: 4.08m (13.39ft),  Kilometerpoint: 0.354,  Lanes on structure: 1,  Lanes under structure: 2,  Owner: Railroad,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.0m (23.0ft),  Curb-To-Curb Width: 3.0m (9.8ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Satisfactory,  Operating Rating: 45.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 45.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Underclear: High priority of replacement,  Approach Roadway Alignment: High priority of corrective action,  Length Of Structure Improvement: 0.79m (2.59ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2007,  Bridge Improvement Cost: $1,000,000,  Roadway Improvement Cost: $100,000,  Total Project Cost: $1,500,000 ( Estimate for 2008),  Deck Structure Type: Other

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Structure Number: 170011300117,  Location: 0.86MI. RTE 110-A (Lat: 44.587411,  Lng: -71.269447),  Route carried "on" structure: Other road ,  Year Built: 1981,  Status: Open,  Structure Length: 0.55m (1.80ft),  Average Daily Traffic: 80 (year 2003),  Truck Traffic: 4%,  Average Future Daily Traffic: 118 (year 2026),  Features Intersected: CEDAR POND OUTLET,  Facility Carried by Structure: CEDAR POND DRIVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.384,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 4.3m (14.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 4.6m (15.1ft),  Curb-To-Curb Width: 5.1m (16.7ft),  Out-to-Out Width: 6.1m (20.0ft)

Condition: Deck: Very good,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Good,  Operating Rating: 24.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 17.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 0.55m (1.80ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 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

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Structure Number: 170019700119,  Location: 1.7 MI S DUMMER TL (Lat: 44.589336,  Lng: -71.186419),  Route carried "on" structure: State highway ,  Year Built: 1950,  Status: Open,  Structure Length: 2.50m (8.20ft),  Average Daily Traffic: 580 (year 2002),  Truck Traffic: 10%,  Average Future Daily Traffic: 858 (year 2026),  Design Load: HS 15,  Features Intersected: CHICKWOLNEPY STREAM,  Facility Carried by Structure: EAST SIDE RIVER RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.317,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 6.4m (21.0ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 9.8m (32.2ft),  Curb or Sidewalk Widths: Left: 0.1m (0.3ft),  Right: 0.1m (0.3ft),  Curb-To-Curb Width: 6.7m (22.0ft),  Out-to-Out Width: 7.7m (25.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Fair,  Operating Rating: 57.2 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 34.5 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.50m (8.20ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 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: 170020100097,  Location: 0.17 MI JCT RTE 16 (Lat: 44.573881,  Lng: -71.181600),  Route carried "on" structure: State highway ,  Year Built: 1969,  Status: Open,  Structure Length: 8.35m (27.40ft),  Average Daily Traffic: 250 (year 1984),  Truck Traffic: 10%,  Average Future Daily Traffic: 370 (year 2026),  Design Load: HS 20,  Features Intersected: ANDROSCOGGIN RIVER,  Facility Carried by Structure: BRIDGE STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.274,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 27.1m (88.9ft),  Curb or Sidewalk Widths: Left: 0.5m (1.6ft),  Right: 0.5m (1.6ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 44.5 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: Somewhat better than minimum adequacy,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 8.35m (27.40ft),  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 24 months,  Inspection Date: June 2006,  Underwater Inspection Date: April 1996,  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: 170021600058,  Location: 1.4MI FROM BERLIN TL (Lat: 44.546819,  Lng: -71.162806),  Route carried "on" structure: State highway ,  Year Built: 1982,  Status: Open,  Structure Length: 2.35m (7.71ft),  Average Daily Traffic: 1,300 (year 1985),  Truck Traffic: 4%,  Average Future Daily Traffic: 1,924 (year 2026),  Design Load: HS 20,  Features Intersected: STEARNS BROOK,  Facility Carried by Structure: EAST MILAN ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.269,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 23.5m (77.1ft)

Condition: Channel: Satisfactory,  Culverts: Good,  Operating Rating: 45.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 27.1 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: 2.35m (7.71ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2008,  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: 170025400038,  Location: 0.4 MI FR SUCCESS TL (Lat: 44.531625,  Lng: -71.127483),  Route carried "on" structure: Other road ,  Year Built: 1950,  Status: Posted for load,  Structure Length: 1.19m (3.90ft),  Average Daily Traffic: 10 (year 1984),  Average Future Daily Traffic: 15 (year 2026),  Features Intersected: STEARNS BROOK,  Facility Carried by Structure: STEARNS BROOK ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.078,  Lanes on structure: 1,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 3.7m (12.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 10.1m (33.1ft),  Curb-To-Curb Width: 3.3m (10.8ft),  Out-to-Out Width: 4.9m (16.1ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Fair,  Channel: Fair,  Operating Rating: 2.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 1.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of replacement,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable 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: 1.19m (3.90ft),  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),  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: 170008400132,  Location: 0.2 MI FROM JCT RTE 110 (Lat: 44.596872,  Lng: -71.298075),  Route carried "under" structure: State highway 110A,  Year Built: 1931,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 390 (year 1987),  Truck Traffic: 10%,  Features Intersected: NH110A,  Facility Carried by Structure: SL&ARR
Minimum Vertical Clearance: 4.08m (13.39ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 7.0m (23.0ft)