Bridge Statistics for Chelmsford, Massachusetts (MA) - Condition, Traffic, Stress, Structural Evaluation, Project Costs

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Structure Number: C080452GDMHDNBI,  Location: 1.4 MI NW DRUM HILL (Lat: 42.627533,  Lng: -71.392578),  Route carried "on" structure: US 3,  Year Built: 1959,  Status: Open,  Structure Length: 0.88m (2.89ft),  Average Daily Traffic: 86,100 (year 2007),  Truck Traffic: 15%,  Average Future Daily Traffic: 135,978 (year 2028),  Design Load: H 20,  Features Intersected: WATER MOORES CANAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 132.928,  Lanes on structure: 6,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 22 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.3m (14.1ft)

Condition: Channel: Good,  Culverts: Good,  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.00m (6.56ft),  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: March 2007,  Underwater Inspection Date: April 2003,  Bridge Improvement Cost: $695,000,  Roadway Improvement Cost: $70,000,  Total Project Cost: $1,043,000 ( Estimate for 2006),  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: C080466G6MHDNBI,  Location: 2 MI. NW DRUM HILL (Lat: 42.629875,  Lng: -71.402469),  Route carried "on" structure: US 3,  Year Built: 2004,  Status: Open,  Structure Length: 3.27m (10.73ft),  Average Daily Traffic: 62,100 (year 2007),  Truck Traffic: 15%,  Average Future Daily Traffic: 98,075 (year 2028),  Design Load: HS 25,  Features Intersected: HWY MAIN ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 137.502,  Lanes on structure: 3,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 23.5m (77.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 31.5m (103.3ft),  Curb-To-Curb Width: 23.5m (77.1ft),  Out-to-Out Width: 24.5m (80.4ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 92.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 55.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2007,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: C080466G8MHDNBI,  Location: 2 MI. NW DRUM HILL (Lat: 42.629708,  Lng: -71.402603),  Route carried "on" structure: US 3,  Year Built: 2004,  Status: Open,  Structure Length: 3.27m (10.73ft),  Average Daily Traffic: 62,100 (year 2007),  Truck Traffic: 15%,  Average Future Daily Traffic: 98,075 (year 2028),  Design Load: HS 25,  Features Intersected: HWY MAIN ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 137.502,  Lanes on structure: 3,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 24.5m (80.4ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 31.5m (103.3ft),  Curb-To-Curb Width: 24.5m (80.4ft),  Out-to-Out Width: 25.5m (83.7ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 85.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 51.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2007,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: C0804785VMHDNBI,  Location: RTE 3 AT RTE 40 (Lat: 42.631753,  Lng: -71.405692),  Route carried "on" structure: US 3,  Year Built: 2004,  Status: Open,  Structure Length: 4.14m (13.58ft),  Average Daily Traffic: 45,700 (year 2007),  Truck Traffic: 25%,  Average Future Daily Traffic: 72,174 (year 2028),  Design Load: HS 25,  Features Intersected: ST 40 GROTON RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 138.303,  Lanes on structure: 3,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 29.1m (95.5ft),  Skew: 11 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 38.9m (127.6ft),  Curb-To-Curb Width: 29.1m (95.5ft),  Out-to-Out Width: 30.1m (98.8ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Inventory Rating: 61.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2007,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: C0804785WMHDNBI,  Location: RTE 3 AT RTE 40 (Lat: 42.631672,  Lng: -71.405950),  Route carried "on" structure: US 3,  Year Built: 2004,  Status: Open,  Structure Length: 4.14m (13.58ft),  Average Daily Traffic: 45,700 (year 2007),  Truck Traffic: 25%,  Average Future Daily Traffic: 72,174 (year 2028),  Design Load: HS 25,  Features Intersected: ST 40 GROTON RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 138.303,  Lanes on structure: 3,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 22.9m (75.1ft),  Skew: 31 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 40.2m (131.9ft),  Curb-To-Curb Width: 22.9m (75.1ft),  Out-to-Out Width: 23.9m (78.4ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 97.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 58.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2007,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: C080482LPMHDNBI,  Location: 0.25 MI N RT 110 & HUNT (Lat: 42.590833,  Lng: -71.378997),  Route carried "on" structure: City street ,  Year Built: 1961,  Status: Open,  Structure Length: 9.14m (29.99ft),  Average Daily Traffic: 5,172 (year 2007),  Truck Traffic: 4%,  Average Future Daily Traffic: 8,168 (year 2028),  Design Load: HS 20,  Features Intersected: I 495,  Facility Carried by Structure: HWY HUNT RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 6,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 24.1m (79.1ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 0.8m (2.6ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 15.1m (49.5ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 49.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 9.20m (30.18ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2007,  Bridge Improvement Cost: $2,480,000,  Roadway Improvement Cost: $249,000,  Total Project Cost: $3,721,000 ( Estimate for 2006),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: C080362LQMHDNBI,  Location: 0.75 MI W RT 110 (Lat: 42.600000,  Lng: -71.366667),  Route carried "under" structure: Interstate 495,  Year Built: 1961,  Structure Length: 11.89m (39.01ft),  Average Daily Traffic: 93,700 (year 0 ),  Features Intersected: I 495 NB,  Facility Carried by Structure: HWY WESTFORD ST
Minimum Vertical Clearance: 5.05m (16.57ft),  Kilometerpoint: 0.000,  Lanes on structure: 3,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 22.6m (74.1ft)

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Structure Number: C080362LQMHDNBI,  Location: 0.75 MI W RT 110 (Lat: 42.600000,  Lng: -71.366667),  Route carried "under" structure: Interstate 495,  Year Built: 1961,  Structure Length: 11.89m (39.01ft),  Average Daily Traffic: 93,700 (year 0 ),  Features Intersected: I 495 SB,  Facility Carried by Structure: HWY WESTFORD ST
Minimum Vertical Clearance: 5.05m (16.57ft),  Kilometerpoint: 0.000,  Lanes on structure: 3,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 22.6m (74.1ft)

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Structure Number: C080372K7MHDNBI,  Location: RT 4 AT RT 495 (Lat: 42.600000,  Lng: -71.350000),  Route carried "under" structure: Interstate 495,  Year Built: 1961,  Structure Length: 4.75m (15.58ft),  Average Daily Traffic: 22,051 (year 0 ),  Features Intersected: I 495 NB,  Facility Carried by Structure: ST 4
Minimum Vertical Clearance: 5.13m (16.83ft),  Kilometerpoint: 0.000,  Lanes on structure: 3,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 22.3m (73.2ft)

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Structure Number: C080372K7MHDNBI,  Location: RT 4 AT RT 495 (Lat: 42.600000,  Lng: -71.350000),  Route carried "under" structure: Interstate 495,  Year Built: 1961,  Structure Length: 4.75m (15.58ft),  Average Daily Traffic: 22,050 (year 0 ),  Features Intersected: I 495 SB,  Facility Carried by Structure: ST 4
Minimum Vertical Clearance: 5.13m (16.83ft),  Kilometerpoint: 0.000,  Lanes on structure: 3,  Lanes under structure: 2,  Material/Design: Concrete continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 22.3m (73.2ft)

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Structure Number: C080382LVMHDNBI,  Location: 1 MI E RT 3 (Lat: 42.616667,  Lng: -71.300000),  Route carried "under" structure: Interstate 495,  Year Built: 1962,  Structure Length: 7.50m (24.61ft),  Average Daily Traffic: 83,050 (year 0 ),  Features Intersected: I 495 NB,  Facility Carried by Structure: HWY CARLISLE ST
Minimum Vertical Clearance: 5.05m (16.57ft),  Kilometerpoint: 14.532,  Lanes on structure: 3,  Lanes under structure: 4,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 24.7m (81.0ft)

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Structure Number: C080382LVMHDNBI,  Location: 1 MI E RT 3 (Lat: 42.616667,  Lng: -71.300000),  Route carried "under" structure: Interstate 495,  Year Built: 1962,  Structure Length: 7.50m (24.61ft),  Average Daily Traffic: 83,050 (year 0 ),  Features Intersected: I 495 SB,  Facility Carried by Structure: HWY CARLISLE ST
Minimum Vertical Clearance: 5.05m (16.57ft),  Kilometerpoint: 14.532,  Lanes on structure: 3,  Lanes under structure: 4,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 24.7m (81.0ft)

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Structure Number: C080392DHMHDNBI,  Location: 1.25 MI W RT495/RT3 (Lat: 42.616667,  Lng: -71.300000),  Route carried "under" structure: Interstate 495,  Year Built: 1962,  Structure Length: 8.14m (26.71ft),  Average Daily Traffic: 93,700 (year 0 ),  Features Intersected: I 495 NB,  Facility Carried by Structure: ST 3 A GORHAM ST
Minimum Vertical Clearance: 5.08m (16.67ft),  Kilometerpoint: 0.000,  Lanes on structure: 3,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 23.2m (76.1ft)

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Structure Number: C080392DHMHDNBI,  Location: 1.25 MI W RT495/RT3 (Lat: 42.616667,  Lng: -71.300000),  Route carried "under" structure: Interstate 495,  Year Built: 1962,  Structure Length: 8.14m (26.71ft),  Average Daily Traffic: 93,700 (year 0 ),  Features Intersected: I 495 SB,  Facility Carried by Structure: ST 3 A GORHAM ST
Minimum Vertical Clearance: 5.08m (16.67ft),  Kilometerpoint: 0.000,  Lanes on structure: 3,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 23.2m (76.1ft)

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Structure Number: C080482LPMHDNBI,  Location: 0.25 MI N RT 110 & HUNT (Lat: 42.583333,  Lng: -71.383333),  Route carried "under" structure: Interstate 495,  Year Built: 1961,  Structure Length: 9.14m (29.99ft),  Average Daily Traffic: 87,300 (year 0 ),  Features Intersected: I 495 NB,  Facility Carried by Structure: HWY HUNT RD
Minimum Vertical Clearance: 5.13m (16.83ft),  Kilometerpoint: 0.000,  Lanes on structure: 3,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 22.6m (74.1ft)

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Structure Number: C080482LPMHDNBI,  Location: 0.25 MI N RT 110 & HUNT (Lat: 42.583333,  Lng: -71.383333),  Route carried "under" structure: Interstate 495,  Year Built: 1961,  Structure Length: 9.14m (29.99ft),  Average Daily Traffic: 87,300 (year 0 ),  Features Intersected: I 495 SB,  Facility Carried by Structure: HWY HUNT RD
Minimum Vertical Clearance: 5.13m (16.83ft),  Kilometerpoint: 0.000,  Lanes on structure: 3,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 22.6m (74.1ft)