Bridge Statistics for Durham, New Hampshire (NH)
Condition, Traffic, Stress, Structural Evaluation, Project Costs
- National Bridge Inventory (NBI) Statistics
- 12Number of bridges
- 95ft / 29.3mTotal length
- $34,562,000Total costs
- 90,534Total average daily traffic
- 4,689Total average daily truck traffic
- National Bridge Inventory (NBI) Registered Bridges for Durham
- No street view available for this location
- New bridges - historical statistics
- 11910-1919
- 11930-1939
- 51960-1969
- 11970-1979
- 11980-1989
- 21990-1999
- 12020-2022
- Reconstructed bridges - Historical Statistics
- 22000-2009
- 02010-2019
- 12020-2022
- Bridge Condition - Deck
- 9.1%Excellent
- 18.2%Very good
- 36.4%Good
- 27.3%Satisfactory
- 9.1%Fair
- Bridge Condition - Superstructure
- 9.1%Excellent
- 27.3%Very good
- 18.2%Good
- 36.4%Satisfactory
- 9.1%Fair
- Bridge Condition - Substructure
- 9.1%Excellent
- 18.2%Very good
- 36.4%Good
- 27.3%Satisfactory
- 9.1%Fair
- Bridge Condition - Channel
- 66.7%Very good
- 33.3%Good
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Structure Number: 7000740013, Location: .5 MI. FROM LEE T.L. (Lat: 43.145303, Lng: -70.956211), Route carried "on" structure: US 4, Year Built: 1968, Year Reconstructed: 2014, Status: Open, Structure Length: 2.53m (8.30ft), Average Daily Traffic: 11,113 (year 2020), Truck Traffic: 7%, Average Future Daily Traffic: 16,447 (year 2042), Design Load: HS 20, Features Intersected: NH155A
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 153.350, Lanes on structure: 2, Lanes under structure: 2, Base Highway Network: Yes, Owner: State Highway Agency, Approaching Roadway Width: 13.4m (44.0ft), Skew: 2 degrees, Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 23.8m (78.1ft), Curb or Sidewalk Widths: Left: 0.2m (0.7ft), Right: 0.2m (0.7ft), Curb-To-Curb Width: 13.7m (44.9ft), Out-to-Out Width: 15.2m (49.9ft)
Condition: Deck: Satisfactory, Superstructure: Fair, Substructure: Satisfactory, Operating Rating: 66.8 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 45.5 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Somewhat better than minimum adequacy, Deck Geometry: Superior to present desirable criteria, Underclear: High priority of replacement, Approach Roadway Alignment: Equal to present desirable criteria, Length Of Structure Improvement: 2.53m (8.30ft), Designated Inspection Frequency: Every 24 months, Inspection Date: June 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
Structure Number: 7000740013, Location: .5 MI. FROM LEE T.L. (Lat: 43.145303, Lng: -70.956211), Route carried "on" structure: US 4, Year Built: 1968, Year Reconstructed: 2014, Status: Open, Structure Length: 2.53m (8.30ft), Average Daily Traffic: 11,113 (year 2020), Truck Traffic: 7%, Average Future Daily Traffic: 16,447 (year 2042), Design Load: HS 20, Features Intersected: NH155A
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 153.350, Lanes on structure: 2, Lanes under structure: 2, Base Highway Network: Yes, Owner: State Highway Agency, Approaching Roadway Width: 13.4m (44.0ft), Skew: 2 degrees, Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 23.8m (78.1ft), Curb or Sidewalk Widths: Left: 0.2m (0.7ft), Right: 0.2m (0.7ft), Curb-To-Curb Width: 13.7m (44.9ft), Out-to-Out Width: 15.2m (49.9ft)
Condition: Deck: Satisfactory, Superstructure: Fair, Substructure: Satisfactory, Operating Rating: 66.8 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 45.5 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Somewhat better than minimum adequacy, Deck Geometry: Superior to present desirable criteria, Underclear: High priority of replacement, Approach Roadway Alignment: Equal to present desirable criteria, Length Of Structure Improvement: 2.53m (8.30ft), Designated Inspection Frequency: Every 24 months, Inspection Date: June 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
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Structure Number: 70009200107, Location: TOWN RD (Lat: 43.128625, Lng: -70.938889), Route carried "on" structure: Other road , Year Built: 1973, Status: Open, Structure Length: 1.13m (3.71ft), Average Daily Traffic: 1,854 (year 2020), Truck Traffic: 10%, Average Future Daily Traffic: 2,743 (year 2042), Design Load: HS 20, Features Intersected: PAR, Facility Carried by Structure: MILL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 2.717, Lanes on structure: 2, Owner: City or Municipal Highway Agency, Approaching Roadway Width: 7.3m (24.0ft), Material/Design: Prestressed concrete, Design/Construction: Slab, Number Of Spans In Main Unit: 1, Length of Maximum Span: 8.2m (26.9ft), Curb or Sidewalk Widths: Left: 0.5m (1.6ft), Right: 1.5m (4.9ft), Curb-To-Curb Width: 7.3m (24.0ft), Out-to-Out Width: 10.1m (33.1ft)
Condition: Deck: Satisfactory, Superstructure: Satisfactory, Substructure: Satisfactory, Operating Rating: 54.5 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: Equal to present minimum criteria, Deck Geometry: Meets minimum limits, Underclear: High priority of replacement, Approach Roadway Alignment: Better than present minimum criteria, Length Of Structure Improvement: 1.13m (3.71ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 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 Precast Panels, Wearing Surface/Protective System: Wearing Surface: Bituminous, Membrane: Preformed Fabric
Structure Number: 70009200107, Location: TOWN RD (Lat: 43.128625, Lng: -70.938889), Route carried "on" structure: Other road , Year Built: 1973, Status: Open, Structure Length: 1.13m (3.71ft), Average Daily Traffic: 1,854 (year 2020), Truck Traffic: 10%, Average Future Daily Traffic: 2,743 (year 2042), Design Load: HS 20, Features Intersected: PAR, Facility Carried by Structure: MILL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 2.717, Lanes on structure: 2, Owner: City or Municipal Highway Agency, Approaching Roadway Width: 7.3m (24.0ft), Material/Design: Prestressed concrete, Design/Construction: Slab, Number Of Spans In Main Unit: 1, Length of Maximum Span: 8.2m (26.9ft), Curb or Sidewalk Widths: Left: 0.5m (1.6ft), Right: 1.5m (4.9ft), Curb-To-Curb Width: 7.3m (24.0ft), Out-to-Out Width: 10.1m (33.1ft)
Condition: Deck: Satisfactory, Superstructure: Satisfactory, Substructure: Satisfactory, Operating Rating: 54.5 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: Equal to present minimum criteria, Deck Geometry: Meets minimum limits, Underclear: High priority of replacement, Approach Roadway Alignment: Better than present minimum criteria, Length Of Structure Improvement: 1.13m (3.71ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 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 Precast Panels, Wearing Surface/Protective System: Wearing Surface: Bituminous, Membrane: Preformed Fabric
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Structure Number: 7000930008, Location: 0.9MI. RTE 108 (Lat: 43.109122, Lng: -70.939719), Route carried "on" structure: Other road , Year Built: 1910, Year Reconstructed: 2020, Status: Posted for load, Structure Length: 1.02m (3.35ft), Average Daily Traffic: 445 (year 2020), Truck Traffic: 4%, Average Future Daily Traffic: 658 (year 2042), Features Intersected: PAR, Facility Carried by Structure: BENNETT ROAD
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 1.255, Lanes on structure: 2, Owner: State Highway Agency, Approaching Roadway Width: 6.1m (20.0ft), Skew: 2 degrees, Material/Design: Wood or Timber, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 9.4m (30.8ft), Curb-To-Curb Width: 6.2m (20.3ft), Out-to-Out Width: 6.6m (21.7ft)
Condition: Deck: Very good, Superstructure: Satisfactory, Substructure: Fair, Operating Rating: 17.2 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 12.7 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: Meets minimum limits, Deck Geometry: High priority of corrective action, Underclear: High priority of replacement, Approach Roadway Alignment: Somewhat better than minimum adequacy, Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 30.0 - 39.9% below), Length Of Structure Improvement: 1.02m (3.35ft), Designated Inspection Frequency: Every 24 months, Inspection Date: November 2020, Bridge Improvement Cost: $2,718,000, Roadway Improvement Cost: $200,000, Total Project Cost: $3,142,000 ( Estimate for 2022), Deck Structure Type: Wood or Timber
Structure Number: 7000930008, Location: 0.9MI. RTE 108 (Lat: 43.109122, Lng: -70.939719), Route carried "on" structure: Other road , Year Built: 1910, Year Reconstructed: 2020, Status: Posted for load, Structure Length: 1.02m (3.35ft), Average Daily Traffic: 445 (year 2020), Truck Traffic: 4%, Average Future Daily Traffic: 658 (year 2042), Features Intersected: PAR, Facility Carried by Structure: BENNETT ROAD
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 1.255, Lanes on structure: 2, Owner: State Highway Agency, Approaching Roadway Width: 6.1m (20.0ft), Skew: 2 degrees, Material/Design: Wood or Timber, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 9.4m (30.8ft), Curb-To-Curb Width: 6.2m (20.3ft), Out-to-Out Width: 6.6m (21.7ft)
Condition: Deck: Very good, Superstructure: Satisfactory, Substructure: Fair, Operating Rating: 17.2 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 12.7 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: Meets minimum limits, Deck Geometry: High priority of corrective action, Underclear: High priority of replacement, Approach Roadway Alignment: Somewhat better than minimum adequacy, Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 30.0 - 39.9% below), Length Of Structure Improvement: 1.02m (3.35ft), Designated Inspection Frequency: Every 24 months, Inspection Date: November 2020, Bridge Improvement Cost: $2,718,000, Roadway Improvement Cost: $200,000, Total Project Cost: $3,142,000 ( Estimate for 2022), Deck Structure Type: Wood or Timber
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Structure Number: 70009500121, Location: 1.6 MI SE LEE T.L. (Lat: 43.138958, Lng: -70.936350), Route carried "on" structure: City street , Year Built: 1936, Status: Open, Structure Length: 1.31m (4.30ft), Average Daily Traffic: 8,437 (year 2020), Truck Traffic: 5%, Average Future Daily Traffic: 12,486 (year 2042), Design Load: H 15, Features Intersected: PAR,PEDESTRIAN, Facility Carried by Structure: MAIN STREET
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 2.493, Lanes on structure: 2, Owner: City or Municipal Highway Agency, Approaching Roadway Width: 10.4m (34.1ft), Skew: 2 degrees, Material/Design: Concrete, Design/Construction: Frame, Number Of Spans In Main Unit: 1, Length of Maximum Span: 11.3m (37.1ft), Curb or Sidewalk Widths: Left: 3.0m (9.8ft), Right: 1.8m (5.9ft), Curb-To-Curb Width: 10.4m (34.1ft), Out-to-Out Width: 16.2m (53.1ft)
Condition: Deck: Satisfactory, Superstructure: Satisfactory, Substructure: Satisfactory, Operating Rating: 63.7 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 45.9 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: Equal to present minimum criteria, Deck Geometry: Meets minimum limits, Underclear: High priority of replacement, Approach Roadway Alignment: Equal to present desirable criteria, Length Of Structure Improvement: 1.31m (4.30ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 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
Structure Number: 70009500121, Location: 1.6 MI SE LEE T.L. (Lat: 43.138958, Lng: -70.936350), Route carried "on" structure: City street , Year Built: 1936, Status: Open, Structure Length: 1.31m (4.30ft), Average Daily Traffic: 8,437 (year 2020), Truck Traffic: 5%, Average Future Daily Traffic: 12,486 (year 2042), Design Load: H 15, Features Intersected: PAR,PEDESTRIAN, Facility Carried by Structure: MAIN STREET
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 2.493, Lanes on structure: 2, Owner: City or Municipal Highway Agency, Approaching Roadway Width: 10.4m (34.1ft), Skew: 2 degrees, Material/Design: Concrete, Design/Construction: Frame, Number Of Spans In Main Unit: 1, Length of Maximum Span: 11.3m (37.1ft), Curb or Sidewalk Widths: Left: 3.0m (9.8ft), Right: 1.8m (5.9ft), Curb-To-Curb Width: 10.4m (34.1ft), Out-to-Out Width: 16.2m (53.1ft)
Condition: Deck: Satisfactory, Superstructure: Satisfactory, Substructure: Satisfactory, Operating Rating: 63.7 metric tons, Method Used To Determine Operating Rating: Allowable Stress (AS), Inventory Rating: 45.9 metric tons, Method Used To Determine Inventory Rating: Allowable Stress (AS), Structural Evaluation: Equal to present minimum criteria, Deck Geometry: Meets minimum limits, Underclear: High priority of replacement, Approach Roadway Alignment: Equal to present desirable criteria, Length Of Structure Improvement: 1.31m (4.30ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 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
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Structure Number: 70009700141, Location: 1.5 MI. FROM JCT. RTE 108 (Lat: 43.153450, Lng: -70.932644), Route carried "on" structure: US 4, Year Built: 1966, Year Reconstructed: 2012, Status: Open, Structure Length: 2.50m (8.20ft), Average Daily Traffic: 10,472 (year 2020), Truck Traffic: 5%, Average Future Daily Traffic: 15,498 (year 2042), Design Load: HS 20, Features Intersected: PAR
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 155.752, Lanes on structure: 2, Base Highway Network: Yes, Owner: State Highway Agency, Approaching Roadway Width: 14.0m (45.9ft), Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 23.8m (78.1ft), Curb or Sidewalk Widths: Left: 0.2m (0.7ft), Right: 0.2m (0.7ft), Curb-To-Curb Width: 14.6m (47.9ft), Out-to-Out Width: 16.5m (54.1ft)
Condition: Deck: Good, Superstructure: Very good, Substructure: Good, Operating Rating: 45.5 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 27.3 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Equal to present minimum criteria, Deck Geometry: Superior to present desirable criteria, Underclear: Superior 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: June 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
Structure Number: 70009700141, Location: 1.5 MI. FROM JCT. RTE 108 (Lat: 43.153450, Lng: -70.932644), Route carried "on" structure: US 4, Year Built: 1966, Year Reconstructed: 2012, Status: Open, Structure Length: 2.50m (8.20ft), Average Daily Traffic: 10,472 (year 2020), Truck Traffic: 5%, Average Future Daily Traffic: 15,498 (year 2042), Design Load: HS 20, Features Intersected: PAR
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 155.752, Lanes on structure: 2, Base Highway Network: Yes, Owner: State Highway Agency, Approaching Roadway Width: 14.0m (45.9ft), Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 23.8m (78.1ft), Curb or Sidewalk Widths: Left: 0.2m (0.7ft), Right: 0.2m (0.7ft), Curb-To-Curb Width: 14.6m (47.9ft), Out-to-Out Width: 16.5m (54.1ft)
Condition: Deck: Good, Superstructure: Very good, Substructure: Good, Operating Rating: 45.5 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 27.3 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Equal to present minimum criteria, Deck Geometry: Superior to present desirable criteria, Underclear: Superior 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: June 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
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Structure Number: 70010000143, Location: .2 MI JCT RTE 4 (Lat: 43.155508, Lng: -70.931906), Route carried "on" structure: State highway , Year Built: 1980, Status: Open, Structure Length: 5.88m (19.29ft), Average Daily Traffic: 4,369 (year 2020), Truck Traffic: 4%, Average Future Daily Traffic: 6,466 (year 2042), Design Load: HS 20, Features Intersected: PAR, Facility Carried by Structure: MADBURY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.006, Lanes on structure: 2, Owner: State Highway Agency, Approaching Roadway Width: 9.8m (32.2ft), Skew: 5 degrees, Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 3, Length of Maximum Span: 26.2m (86.0ft), Curb or Sidewalk Widths: Left: 1.5m (4.9ft), Right: 0.2m (0.7ft), Curb-To-Curb Width: 9.8m (32.2ft), Out-to-Out Width: 12.0m (39.4ft)
Condition: Deck: Fair, Superstructure: Satisfactory, Substructure: Good, Operating Rating: 43.3 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 25.9 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Equal to present minimum criteria, Deck Geometry: Meets minimum limits, Underclear: Better than present minimum criteria, Approach Roadway Alignment: Better than present minimum criteria, Length Of Structure Improvement: 5.88m (19.29ft), Designated Inspection Frequency: Every 24 months, Inspection Date: June 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
Structure Number: 70010000143, Location: .2 MI JCT RTE 4 (Lat: 43.155508, Lng: -70.931906), Route carried "on" structure: State highway , Year Built: 1980, Status: Open, Structure Length: 5.88m (19.29ft), Average Daily Traffic: 4,369 (year 2020), Truck Traffic: 4%, Average Future Daily Traffic: 6,466 (year 2042), Design Load: HS 20, Features Intersected: PAR, Facility Carried by Structure: MADBURY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.006, Lanes on structure: 2, Owner: State Highway Agency, Approaching Roadway Width: 9.8m (32.2ft), Skew: 5 degrees, Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 3, Length of Maximum Span: 26.2m (86.0ft), Curb or Sidewalk Widths: Left: 1.5m (4.9ft), Right: 0.2m (0.7ft), Curb-To-Curb Width: 9.8m (32.2ft), Out-to-Out Width: 12.0m (39.4ft)
Condition: Deck: Fair, Superstructure: Satisfactory, Substructure: Good, Operating Rating: 43.3 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 25.9 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Equal to present minimum criteria, Deck Geometry: Meets minimum limits, Underclear: Better than present minimum criteria, Approach Roadway Alignment: Better than present minimum criteria, Length Of Structure Improvement: 5.88m (19.29ft), Designated Inspection Frequency: Every 24 months, Inspection Date: June 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: 7001070011, Location: .2 MI WEST NH108 JCT (Lat: 43.129947, Lng: -70.923342), Route carried "on" structure: City street , Year Built: 1998, Status: Open, Structure Length: 0.70m (2.30ft), Average Daily Traffic: 1,507 (year 2020), Truck Traffic: 5%, Average Future Daily Traffic: 2,230 (year 2042), Design Load: HS 25 or greater, Features Intersected: COLLEGE BROOK, Facility Carried by Structure: MILL POND ROAD
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.404, Lanes on structure: 2, Owner: City or Municipal Highway Agency, Approaching Roadway Width: 8.0m (26.2ft), Skew: 1 degrees, Material/Design: Concrete, Design/Construction: Arch - Deck, Number Of Spans In Main Unit: 1, Length of Maximum Span: 6.6m (21.7ft), Curb or Sidewalk Widths: Left: 0.2m (0.7ft), Right: 1.4m (4.6ft), Curb-To-Curb Width: 8.0m (26.2ft), Out-to-Out Width: 12.0m (39.4ft)
Condition: Deck: Very good, Superstructure: Very good, Substructure: Very good, Channel: Good, Operating Rating: 51.3 metric tons, Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment, Inventory Rating: 30.7 metric tons, Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment, 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 minimum criteria, Length Of Structure Improvement: 0.70m (2.30ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 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 Precast Panels, Wearing Surface/Protective System: Wearing Surface: Bituminous, Membrane: Preformed Fabric
Structure Number: 7001070011, Location: .2 MI WEST NH108 JCT (Lat: 43.129947, Lng: -70.923342), Route carried "on" structure: City street , Year Built: 1998, Status: Open, Structure Length: 0.70m (2.30ft), Average Daily Traffic: 1,507 (year 2020), Truck Traffic: 5%, Average Future Daily Traffic: 2,230 (year 2042), Design Load: HS 25 or greater, Features Intersected: COLLEGE BROOK, Facility Carried by Structure: MILL POND ROAD
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 0.404, Lanes on structure: 2, Owner: City or Municipal Highway Agency, Approaching Roadway Width: 8.0m (26.2ft), Skew: 1 degrees, Material/Design: Concrete, Design/Construction: Arch - Deck, Number Of Spans In Main Unit: 1, Length of Maximum Span: 6.6m (21.7ft), Curb or Sidewalk Widths: Left: 0.2m (0.7ft), Right: 1.4m (4.6ft), Curb-To-Curb Width: 8.0m (26.2ft), Out-to-Out Width: 12.0m (39.4ft)
Condition: Deck: Very good, Superstructure: Very good, Substructure: Very good, Channel: Good, Operating Rating: 51.3 metric tons, Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment, Inventory Rating: 30.7 metric tons, Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment, 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 minimum criteria, Length Of Structure Improvement: 0.70m (2.30ft), Designated Inspection Frequency: Every 24 months, Inspection Date: September 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 Precast Panels, Wearing Surface/Protective System: Wearing Surface: Bituminous, Membrane: Preformed Fabric
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Structure Number: 70011400111, Location: .2 MI FR JCT. RTE. 4 (Lat: 43.130922, Lng: -70.918425), Route carried "on" structure: State highway 108, Year Built: 1991, Status: Open, Structure Length: 0.95m (3.12ft), Average Daily Traffic: 9,860 (year 2020), Truck Traffic: 4%, Average Future Daily Traffic: 14,592 (year 2042), Design Load: HS 25 or greater, Features Intersected: OYSTER RIVER
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 43.756, 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: 7.6m (24.9ft), 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: 13.8m (45.3ft)
Condition: Deck: Good, Superstructure: Very good, Substructure: Very good, Channel: Very good, Operating Rating: 61.2 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 40.8 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Equal to present desirable criteria, Deck Geometry: Somewhat better than minimum adequacy, Waterway Adequacy: Equal to present desirable criteria, Approach Roadway Alignment: Better than present minimum criteria, Length Of Structure Improvement: 0.95m (3.12ft), Designated Inspection Frequency: Every 24 months, Inspection Date: June 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
Structure Number: 70011400111, Location: .2 MI FR JCT. RTE. 4 (Lat: 43.130922, Lng: -70.918425), Route carried "on" structure: State highway 108, Year Built: 1991, Status: Open, Structure Length: 0.95m (3.12ft), Average Daily Traffic: 9,860 (year 2020), Truck Traffic: 4%, Average Future Daily Traffic: 14,592 (year 2042), Design Load: HS 25 or greater, Features Intersected: OYSTER RIVER
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 43.756, 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: 7.6m (24.9ft), 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: 13.8m (45.3ft)
Condition: Deck: Good, Superstructure: Very good, Substructure: Very good, Channel: Very good, Operating Rating: 61.2 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 40.8 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Equal to present desirable criteria, Deck Geometry: Somewhat better than minimum adequacy, Waterway Adequacy: Equal to present desirable criteria, Approach Roadway Alignment: Better than present minimum criteria, Length Of Structure Improvement: 0.95m (3.12ft), Designated Inspection Frequency: Every 24 months, Inspection Date: June 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
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Structure Number: 70011400128, Location: .4 MI. FROM JCT. NH 108 (Lat: 43.142889, Lng: -70.916839), Route carried "on" structure: Other road , Year Built: 1966, Status: Open, Structure Length: 6.58m (21.59ft), Average Daily Traffic: 1,492 (year 2020), Truck Traffic: 5%, Average Future Daily Traffic: 2,208 (year 2042), Design Load: HS 20, Features Intersected: US 4, Facility Carried by Structure: BAGDAD ROAD
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 1.051, Lanes on structure: 2, Lanes under 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: 4, Length of Maximum Span: 18.3m (60.0ft), Curb or Sidewalk Widths: Left: 1.6m (5.2ft), Right: 1.6m (5.2ft), Curb-To-Curb Width: 9.8m (32.2ft), Out-to-Out Width: 13.6m (44.6ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Good, Operating Rating: 45.4 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: Somewhat better than minimum adequacy, Underclear: Equal to present minimum criteria, Approach Roadway Alignment: Equal to present desirable criteria, Length Of Structure Improvement: 6.58m (21.59ft), Designated Inspection Frequency: Every 24 months, Inspection Date: June 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
Structure Number: 70011400128, Location: .4 MI. FROM JCT. NH 108 (Lat: 43.142889, Lng: -70.916839), Route carried "on" structure: Other road , Year Built: 1966, Status: Open, Structure Length: 6.58m (21.59ft), Average Daily Traffic: 1,492 (year 2020), Truck Traffic: 5%, Average Future Daily Traffic: 2,208 (year 2042), Design Load: HS 20, Features Intersected: US 4, Facility Carried by Structure: BAGDAD ROAD
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 1.051, Lanes on structure: 2, Lanes under 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: 4, Length of Maximum Span: 18.3m (60.0ft), Curb or Sidewalk Widths: Left: 1.6m (5.2ft), Right: 1.6m (5.2ft), Curb-To-Curb Width: 9.8m (32.2ft), Out-to-Out Width: 13.6m (44.6ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Good, Operating Rating: 45.4 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: Somewhat better than minimum adequacy, Underclear: Equal to present minimum criteria, Approach Roadway Alignment: Equal to present desirable criteria, Length Of Structure Improvement: 6.58m (21.59ft), Designated Inspection Frequency: Every 24 months, Inspection Date: June 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: 70012000122, Location: .7 MI FROM MADBURY T.L. (Lat: 43.138481, Lng: -70.911156), Route carried "on" structure: US 4, Year Built: 1966, Status: Open, Structure Length: 4.79m (15.72ft), Average Daily Traffic: 11,885 (year 2020), Truck Traffic: 5%, Average Future Daily Traffic: 17,589 (year 2042), Design Load: HS 20, Features Intersected: NH108
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 158.224, Lanes on structure: 2, Lanes under structure: 2, Base Highway Network: Yes, Owner: State Highway Agency, Approaching Roadway Width: 13.4m (44.0ft), Skew: 1 degrees, Material/Design: Steel continuous, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 3, Length of Maximum Span: 19.8m (65.0ft), Curb or Sidewalk Widths: Left: 0.2m (0.7ft), Right: 0.2m (0.7ft), Curb-To-Curb Width: 13.8m (45.3ft), Out-to-Out Width: 15.6m (51.2ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Good, Operating Rating: 47.2 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 28.1 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Better than present minimum criteria, Deck Geometry: Superior to present desirable criteria, Underclear: Better than present minimum criteria, Approach Roadway Alignment: Equal to present desirable criteria, Length Of Structure Improvement: 4.79m (15.72ft), Designated Inspection Frequency: Every 24 months, Inspection Date: June 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
Structure Number: 70012000122, Location: .7 MI FROM MADBURY T.L. (Lat: 43.138481, Lng: -70.911156), Route carried "on" structure: US 4, Year Built: 1966, Status: Open, Structure Length: 4.79m (15.72ft), Average Daily Traffic: 11,885 (year 2020), Truck Traffic: 5%, Average Future Daily Traffic: 17,589 (year 2042), Design Load: HS 20, Features Intersected: NH108
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 158.224, Lanes on structure: 2, Lanes under structure: 2, Base Highway Network: Yes, Owner: State Highway Agency, Approaching Roadway Width: 13.4m (44.0ft), Skew: 1 degrees, Material/Design: Steel continuous, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 3, Length of Maximum Span: 19.8m (65.0ft), Curb or Sidewalk Widths: Left: 0.2m (0.7ft), Right: 0.2m (0.7ft), Curb-To-Curb Width: 13.8m (45.3ft), Out-to-Out Width: 15.6m (51.2ft)
Condition: Deck: Good, Superstructure: Good, Substructure: Good, Operating Rating: 47.2 metric tons, Method Used To Determine Operating Rating: Load Factor (LF), Inventory Rating: 28.1 metric tons, Method Used To Determine Inventory Rating: Load Factor (LF), Structural Evaluation: Better than present minimum criteria, Deck Geometry: Superior to present desirable criteria, Underclear: Better than present minimum criteria, Approach Roadway Alignment: Equal to present desirable criteria, Length Of Structure Improvement: 4.79m (15.72ft), Designated Inspection Frequency: Every 24 months, Inspection Date: June 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: 70014500117, Location: 1.8 MI W. MADBURY T.L. (Lat: 43.133586, Lng: -70.886122), Route carried "on" structure: US 4, Year Built: 2020, Status: Open, Structure Length: 1.93m (6.33ft), Average Daily Traffic: 14,100 (year 2020), Truck Traffic: 5%, Average Future Daily Traffic: 20,868 (year 2042), Design Load: HL 93, Features Intersected: BUNKER CREEK
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 160.386, Lanes on structure: 2, Base Highway Network: Yes, Owner: State Highway Agency, Approaching Roadway Width: 10.4m (34.1ft), Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 18.3m (60.0ft), Curb or Sidewalk Widths: Left: 0.2m (0.7ft), Right: 0.2m (0.7ft), Curb-To-Curb Width: 10.1m (33.1ft), Out-to-Out Width: 11.3m (37.1ft)
Condition: Deck: Excellent, Superstructure: Excellent, Substructure: Excellent, Channel: Very good, Operating Rating: 55.9 metric tons, Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR), Inventory Rating: 43.1 metric tons, Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR), Structural Evaluation: Superior to present desirable criteria, Deck Geometry: Meets minimum limits, Waterway Adequacy: Superior to present desirable criteria, Approach Roadway Alignment: Equal to present minimum criteria, Length Of Structure Improvement: 1.93m (6.33ft), Designated Inspection Frequency: Every 24 months, Inspection Date: November 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: Monolithic Concrete, Deck Protection: Other
Structure Number: 70014500117, Location: 1.8 MI W. MADBURY T.L. (Lat: 43.133586, Lng: -70.886122), Route carried "on" structure: US 4, Year Built: 2020, Status: Open, Structure Length: 1.93m (6.33ft), Average Daily Traffic: 14,100 (year 2020), Truck Traffic: 5%, Average Future Daily Traffic: 20,868 (year 2042), Design Load: HL 93, Features Intersected: BUNKER CREEK
Minimum Vertical Clearance: 30+ m (98+ ft), Kilometerpoint: 160.386, Lanes on structure: 2, Base Highway Network: Yes, Owner: State Highway Agency, Approaching Roadway Width: 10.4m (34.1ft), Material/Design: Steel, Design/Construction: Stringer/Multi-beam, Number Of Spans In Main Unit: 1, Length of Maximum Span: 18.3m (60.0ft), Curb or Sidewalk Widths: Left: 0.2m (0.7ft), Right: 0.2m (0.7ft), Curb-To-Curb Width: 10.1m (33.1ft), Out-to-Out Width: 11.3m (37.1ft)
Condition: Deck: Excellent, Superstructure: Excellent, Substructure: Excellent, Channel: Very good, Operating Rating: 55.9 metric tons, Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR), Inventory Rating: 43.1 metric tons, Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR), Structural Evaluation: Superior to present desirable criteria, Deck Geometry: Meets minimum limits, Waterway Adequacy: Superior to present desirable criteria, Approach Roadway Alignment: Equal to present minimum criteria, Length Of Structure Improvement: 1.93m (6.33ft), Designated Inspection Frequency: Every 24 months, Inspection Date: November 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: Monolithic Concrete, Deck Protection: Other
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Structure Number: 70011400128, Location: .4 MI. FROM JCT. NH 108 (Lat: 43.142889, Lng: -70.916839), Route carried "under" structure: US 4, Year Built: 1966, Structure Length: 0. m, Average Daily Traffic: 15,000 (year 2015), Truck Traffic: 5%, Features Intersected: US 4, Facility Carried by Structure: BAGDAD ROAD
Minimum Vertical Clearance: 5.04m (16.54ft), Kilometerpoint: 0.000, Lanes on structure: 2, Lanes under structure: 2, Material/Design: Steel continuous, Design/Construction: Stringer/Multi-beam, Length of Maximum Span: 18.3m (60.0ft)
Structure Number: 70011400128, Location: .4 MI. FROM JCT. NH 108 (Lat: 43.142889, Lng: -70.916839), Route carried "under" structure: US 4, Year Built: 1966, Structure Length: 0. m, Average Daily Traffic: 15,000 (year 2015), Truck Traffic: 5%, Features Intersected: US 4, Facility Carried by Structure: BAGDAD ROAD
Minimum Vertical Clearance: 5.04m (16.54ft), Kilometerpoint: 0.000, Lanes on structure: 2, Lanes under structure: 2, Material/Design: Steel continuous, Design/Construction: Stringer/Multi-beam, Length of Maximum Span: 18.3m (60.0ft)