Bridge Statistics for North Bethesda, Maryland (MD)
Condition, Traffic, Stress, Structural Evaluation, Project Costs

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Structure Number: 10000015007701,  Location: 0.27 MILE NORTH OF I-495 (Lat: 39.022597,  Lng: -77.106108),  Route carried "on" structure: County highway 326,  Year Built: 1958,  Year Reconstructed: 2007,  Status: Open,  Structure Length: 8.38m (27.49ft),  Average Daily Traffic: 4,422 (year 2006),  Truck Traffic: 5%,  Average Future Daily Traffic: 5,099 (year 2026),  Design Load: H 20,  Features Intersected: IS 270,  Facility Carried by Structure: GROSVENOR LANE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.322,  Lanes on structure: 2,  Lanes under structure: 6,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 23.8m (78.1ft),  Curb or Sidewalk Widths: Left: 0.9m (3.0ft),  Right: 0.9m (3.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.6m (38.1ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 82.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 49.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 8.38m (27.49ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Bridge Improvement Cost: $630,000,  Roadway Improvement Cost: $63,000,  Total Project Cost: $693,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 10000015007901,  Location: 0.404 M N/DEMOCRACY BLVD (Lat: 39.030283,  Lng: -77.126289),  Route carried "on" structure: State highway 187,  Year Built: 2002,  Status: Open,  Structure Length: 6.74m (22.11ft),  Average Daily Traffic: 45,401 (year 2009),  Truck Traffic: 3%,  Average Future Daily Traffic: 51,355 (year 2026),  Design Load: HS 25 or greater,  Features Intersected: IS 270
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.056,  Lanes on structure: 11,  Lanes under structure: 8,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 44.8m (147.0ft),  Skew: 20 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 33.5m (109.9ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 39.3m (128.9ft),  Out-to-Out Width: 44.6m (146.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 83.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 49.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  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: 10000015008002,  Location: 0.13 MILE N OF IS 270Y (Lat: 39.038806,  Lng: -77.145886),  Route carried "on" structure: Interstate 270,  Year Built: 1958,  Year Reconstructed: 1988,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 265,320 (year 2009),  Truck Traffic: 8%,  Average Future Daily Traffic: 364,620 (year 2029),  Design Load: HS 20,  Features Intersected: OLD FARM CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.489,  Lanes on structure: 12,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 77.4m (253.9ft),  Skew: 21 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Length of Maximum Span: 6.1m (20.0ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020

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Structure Number: 10000015008101,  Location: 0.08 MILE N OF IS 270Y (Lat: 39.037814,  Lng: -77.145344),  Route carried "on" structure: Interstate 270,  Year Built: 1958,  Year Reconstructed: 1990,  Status: Open,  Structure Length: 3.14m (10.30ft),  Average Daily Traffic: 265,320 (year 2009),  Truck Traffic: 8%,  Average Future Daily Traffic: 364,620 (year 2029),  Design Load: HS 20+Mod,  Features Intersected: TUCKERMAN LANE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.441,  Lanes on structure: 12,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 57.9m (190.0ft),  Skew: 20 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.0m (45.9ft),  Curb-To-Curb Width: 57.9m (190.0ft),  Out-to-Out Width: 58.9m (193.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Inventory Rating: 73.0 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: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 10000015008201,  Location: 0.85 MILE NORTH OF MD 187 (Lat: 39.034119,  Lng: -77.142828),  Route carried "on" structure: Interstate 270,  Year Built: 1958,  Year Reconstructed: 1990,  Status: Open,  Structure Length: 9.11m (29.89ft),  Average Daily Traffic: 130,450 (year 2009),  Truck Traffic: 8%,  Average Future Daily Traffic: 67,976 (year 2026),  Design Load: HS 20,  Features Intersected: IS 270Y RAMPS B & B3
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.846,  Lanes on structure: 3,  Lanes under structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 17.7m (58.1ft),  Skew: 6 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 2,  Length of Maximum Span: 36.6m (120.1ft),  Curb-To-Curb Width: 17.7m (58.1ft),  Out-to-Out Width: 18.8m (61.7ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 71.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 42.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 10000015009701,  Location: @ IS 270Y (Lat: 39.021742,  Lng: -77.142347),  Route carried "on" structure: County highway 166,  Year Built: 2004,  Status: Open,  Structure Length: 7.50m (24.61ft),  Average Daily Traffic: 25,601 (year 2018),  Truck Traffic: 5%,  Average Future Daily Traffic: 25,624 (year 2038),  Design Load: HS 25 or greater,  Features Intersected: IS 270Y,  Facility Carried by Structure: DEMOCRACY BLVD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.577,  Lanes on structure: 8,  Lanes under structure: 6,  Owner: State Highway Agency,  Approaching Roadway Width: 31.7m (104.0ft),  Skew: 22 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 37.2m (122.0ft),  Curb or Sidewalk Widths: Left: 3.0m (9.8ft),  Right: 1.6m (5.2ft),  Curb-To-Curb Width: 30.5m (100.1ft),  Out-to-Out Width: 37.2m (122.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 71.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 64.4 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,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  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: 10000015011201,  Location: 0.26 MILE EAST OF MD 191 (Lat: 39.012983,  Lng: -77.149228),  Route carried "on" structure: Interstate 495,  Year Built: 1996,  Status: Open,  Structure Length: 9.33m (30.61ft),  Average Daily Traffic: 115,850 (year 2009),  Truck Traffic: 8%,  Average Future Daily Traffic: 132,850 (year 2029),  Design Load: HS 25 or greater,  Features Intersected: IS 270Y
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.356,  Lanes on structure: 3,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 17.1m (56.1ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 48.2m (158.1ft),  Curb or Sidewalk Widths: Left: 0.6m (2.0ft),  Right: 0.6m (2.0ft),  Curb-To-Curb Width: 17.7m (58.1ft),  Out-to-Out Width: 18.9m (62.0ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Inventory Rating: 69.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Membrane: Built-up,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 10000015011701,  Location: 0.1 MILE N OF IS 495 WBL (Lat: 39.019792,  Lng: -77.102947),  Route carried "on" structure: State highway 355,  Year Built: 1960,  Year Reconstructed: 1998,  Status: Open,  Structure Length: 4.24m (13.91ft),  Average Daily Traffic: 55,020 (year 2009),  Truck Traffic: 8%,  Average Future Daily Traffic: 33,587 (year 2026),  Design Load: HS 20,  Features Intersected: MD 355 RAMP 1
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.645,  Lanes on structure: 3,  Lanes under structure: 1,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 15.2m (49.9ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 12.7m (41.7ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 60.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 36.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of replacement,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.24m (13.91ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Bridge Improvement Cost: $348,000,  Roadway Improvement Cost: $35,000,  Total Project Cost: $383,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 10000015011801,  Location: 0.07 MILE NORTH OF IS 495 (Lat: 39.019100,  Lng: -77.102853),  Route carried "on" structure: State highway 355,  Year Built: 1960,  Status: Open,  Structure Length: 9.94m (32.61ft),  Average Daily Traffic: 55,020 (year 2009),  Truck Traffic: 8%,  Average Future Daily Traffic: 33,587 (year 2026),  Design Load: HS 20,  Features Intersected: IS 495 OL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.484,  Lanes on structure: 4,  Lanes under structure: 5,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 17.1m (56.1ft),  Skew: 5 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Number Of Approach Spans: 2,  Length of Maximum Span: 36.3m (119.1ft),  Curb-To-Curb Width: 17.1m (56.1ft),  Out-to-Out Width: 18.8m (61.7ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 49.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 9.94m (32.61ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $1,207,000,  Roadway Improvement Cost: $121,000,  Total Project Cost: $1,328,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 10000015011901,  Location: 0.07 MILE NORTH OF IS 495 (Lat: 39.017250,  Lng: -77.100753),  Route carried "on" structure: State highway 355,  Year Built: 1958,  Year Reconstructed: 2008,  Status: Open,  Structure Length: 8.05m (26.41ft),  Average Daily Traffic: 55,020 (year 2009),  Truck Traffic: 8%,  Average Future Daily Traffic: 33,587 (year 2026),  Design Load: HS 20,  Features Intersected: IS 495 OL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.484,  Lanes on structure: 3,  Lanes under structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Skew: 5 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 37.2m (122.0ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.6m (5.2ft),  Curb-To-Curb Width: 11.2m (36.7ft),  Out-to-Out Width: 13.6m (44.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 57.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 34.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: High priority of replacement,  Underclear: High priority of replacement,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 8.05m (26.41ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $1,416,000,  Roadway Improvement Cost: $142,000,  Total Project Cost: $1,558,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 10000015014501,  Location: 1.04 MILE SOUTH OF MD 187 (Lat: 39.019914,  Lng: -77.105442),  Route carried "on" structure: Interstate 270,  Year Built: 1990,  Status: Open,  Structure Length: 3.60m (11.81ft),  Average Daily Traffic: 44,696 (year 2017),  Truck Traffic: 8%,  Average Future Daily Traffic: 66,416 (year 2037),  Design Load: HS 20+Mod,  Features Intersected: IS 495 OL
Minimum Vertical Clearance: 4.88m (16.01ft),  Kilometerpoint: 0.080,  Lanes on structure: 2,  Lanes under structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 34.4m (112.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Inventory Rating: 57.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 10000015016201,  Location: 1.19 MILE SOUTH OF MD 187 (Lat: 39.019564,  Lng: -77.104794),  Route carried "on" structure: Ramp Interstate 270,  Year Built: 1990,  Status: Open,  Structure Length: 4.15m (13.62ft),  Average Daily Traffic: 11,255 (year 2017),  Truck Traffic: 8%,  Average Future Daily Traffic: 16,725 (year 2037),  Design Load: HS 20+Mod,  Features Intersected: IS 495 OL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.209,  Lanes on structure: 1,  Lanes under structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  Skew: 3 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 39.3m (128.9ft),  Curb-To-Curb Width: 9.4m (30.8ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 90.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 73.5 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: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 10000015016801,  Location: 0.29 MILE NORTH OF MD 187 (Lat: 39.031350,  Lng: -77.131589),  Route carried "on" structure: State highway 187B,  Year Built: 2002,  Status: Open,  Structure Length: 5.30m (17.39ft),  Average Daily Traffic: 19,205 (year 2008),  Average Future Daily Traffic: 22,143 (year 2026),  Design Load: HS 25 or greater,  Features Intersected: 1S 270
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.224,  Lanes on structure: 5,  Lanes under structure: 6,  Owner: State Highway Agency,  Approaching Roadway Width: 32.3m (106.0ft),  Skew: 30 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 26.2m (86.0ft),  Curb or Sidewalk Widths: Left: 3.0m (9.8ft),  Right: 0.0m,  Curb-To-Curb Width: 20.1m (65.9ft),  Out-to-Out Width: 25.5m (83.7ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Inventory Rating: 60.8 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: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  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: 10000015017004,  Location: 0.13 M E OF BR NO 1506800 (Lat: 39.055947,  Lng: -77.152189),  Route carried "on" structure: State highway 927,  Year Built: 1988,  Status: Open,  Structure Length: 1.13m (3.71ft),  Average Daily Traffic: 57,252 (year 2009),  Truck Traffic: 8%,  Average Future Daily Traffic: 61,812 (year 2029),  Design Load: HS 20,  Features Intersected: IS 270 RAMP 'I'
Minimum Vertical Clearance: 5.18m (16.99ft),  Kilometerpoint: 2.430,  Lanes on structure: 5,  Lanes under structure: 1,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 37.8m (124.0ft),  Skew: 20 degrees,  Material/Design: Concrete,  Design/Construction: Frame,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.3m (37.1ft),  Curb-To-Curb Width: 32.9m (107.9ft),  Out-to-Out Width: 38.1m (125.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 44.4 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: 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: September 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 10000015018201,  Location: AT WESTLAKE TERRACE (Lat: 39.022325,  Lng: -77.140294),  Route carried "on" structure: Interstate 270Y,  Year Built: 2004,  Status: Open,  Structure Length: 15.39m (50.49ft),  Average Daily Traffic: 114,000 (year 2000),  Truck Traffic: 6%,  Average Future Daily Traffic: 177,000 (year 2020),  Design Load: HS 25 or greater,  Features Intersected: IS 270Y MEDIAN
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.915,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Skew: 30 degrees,  Material/Design: Steel,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 6,  Length of Maximum Span: 27.4m (89.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 14.0m (45.9ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 79.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 47.6 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,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Other Special Inspection Frequency: Every 12 months,  Inspection Date: October 2021,  Critical Feature Inspection Date: October 2021,  Other Special Inspection Date: October 2021,  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: 10000015019401,  Location: 2.5 MI N. OF I-495 (Lat: 39.052406,  Lng: -77.116008),  Route carried "on" structure: State highway 355,  Year Built: 2009,  Status: Open,  Structure Length: 5.49m (18.01ft),  Average Daily Traffic: 60,000 (year 2007),  Truck Traffic: 4%,  Average Future Daily Traffic: 98,100 (year 2030),  Features Intersected: RELOCATED RANDOLPH ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 10.603,  Lanes on structure: 7,  Lanes under structure: 6,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 35.1m (115.2ft),  Skew: 20 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 28.3m (92.8ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 2.0m (6.6ft),  Curb-To-Curb Width: 27.3m (89.6ft),  Out-to-Out Width: 35.2m (115.5ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 96.6 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 74.5 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 200000M-011101,  Location: 40 FT E OF FALLEN OAK RD (Lat: 38.999358,  Lng: -77.129728),  Route carried "on" structure: County highway 1536,  Year Built: 1964,  Year Reconstructed: 2015,  Status: Open,  Structure Length: 0.98m (3.22ft),  Average Daily Traffic: 211 (year 2018),  Truck Traffic: 1%,  Average Future Daily Traffic: 345 (year 2040),  Features Intersected: BOOZE CREEK,  Facility Carried by Structure: VALLEY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.531,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.8m (28.9ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 11.9m (39.0ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 89.7 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 67.4 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete

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Structure Number: 200000M-011201,  Location: 0.5 MILES SOUTH OF MD 191 (Lat: 38.997008,  Lng: -77.139178),  Route carried "on" structure: County highway 836,  Year Built: 2008,  Status: Open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 1,938 (year 2021),  Truck Traffic: 3%,  Average Future Daily Traffic: 2,152 (year 2041),  Design Load: HS 25 or greater,  Features Intersected: BOOZE CREEK,  Facility Carried by Structure: BURNING TREE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.483,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.3m (37.1ft),  Curb or Sidewalk Widths: Left: 1.6m (5.2ft),  Right: 1.6m (5.2ft),  Curb-To-Curb Width: 8.8m (28.9ft),  Out-to-Out Width: 12.8m (42.0ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Inventory Rating: 57.6 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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 200000M-024701,  Location: 1 MI N OF DEMOCRACY BLVD (Lat: 39.026339,  Lng: -77.142458),  Route carried "on" structure: County highway 3438,  Year Built: 1994,  Year Reconstructed: 2004,  Status: Open,  Structure Length: 11.13m (36.52ft),  Average Daily Traffic: 17,489 (year 2021),  Truck Traffic: 5%,  Average Future Daily Traffic: 21,267 (year 2041),  Design Load: HS 25 or greater,  Features Intersected: I-270,  Facility Carried by Structure: WESTLAKE TERRACE-F
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 5,  Lanes under structure: 8,  Owner: County Highway Agency,  Approaching Roadway Width: 20.4m (66.9ft),  Skew: 20 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 43.6m (143.0ft),  Curb or Sidewalk Widths: Left: 1.8m (5.9ft),  Right: 1.8m (5.9ft),  Curb-To-Curb Width: 19.8m (65.0ft),  Out-to-Out Width: 24.8m (81.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 76.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 45.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  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: 200000M-043501,  Location: 900 FT. W. OF MD 191 (Lat: 38.997022,  Lng: -77.133283),  Route carried "on" structure: County highway 2319,  Year Built: 1980,  Status: Open,  Structure Length: 0.88m (2.89ft),  Average Daily Traffic: 100 (year 2018),  Truck Traffic: 1%,  Average Future Daily Traffic: 125 (year 2040),  Features Intersected: BOOZE CREEK TRIB,  Facility Carried by Structure: HOWELL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Steel,  Design/Construction: Arch - Deck,  Length of Maximum Span: 4.3m (14.1ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2020

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Structure Number: 10000015007701,  Location: 0.27 MILE NORTH OF IS 695 (Lat: 39.022597,  Lng: -77.106108),  Route carried "under" structure: Interstate 270,  Year Built: 1958,  Structure Length: 0. m,  Average Daily Traffic: 122,760 (year 2009),  Features Intersected: IS 270,  Facility Carried by Structure: GROSVENOR LA
Minimum Vertical Clearance: 4.57m (14.99ft),  Kilometerpoint: 0.434,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 23.8m (78.1ft)

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Structure Number: 10000015007901,  Location: 1027 M N OF BR NO 1507700 (Lat: 39.030283,  Lng: -77.126289),  Route carried "under" structure: Interstate 270,  Year Built: 2002,  Structure Length: 0. m,  Average Daily Traffic: 130,450 (year 2009),  Features Intersected: IS 270,  Facility Carried by Structure: MD 187
Minimum Vertical Clearance: 4.88m (16.01ft),  Kilometerpoint: 2.478,  Lanes on structure: 11,  Lanes under structure: 8,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 33.5m (109.9ft)

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Structure Number: 10000015008101,  Location: 0.25 MI W OF IS 270Y (Lat: 39.037814,  Lng: -77.145344),  Route carried "under" structure: County highway 164,  Year Built: 1958,  Structure Length: 0. m,  Average Daily Traffic: 21,000 (year 2006),  Features Intersected: TUCKERMAN LANE,  Facility Carried by Structure: IS 270
Minimum Vertical Clearance: 4.27m (14.01ft),  Kilometerpoint: 1.850,  Lanes on structure: 12,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 14.0m (45.9ft)

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Structure Number: 10000015008201,  Location: .91 M N OF DEMOCRACY BLVD (Lat: 39.034119,  Lng: -77.142828),  Route carried "under" structure: Interstate 270Y,  Year Built: 1958,  Structure Length: 0. m,  Average Daily Traffic: 132,561 (year 2009),  Features Intersected: IS 270Y RAMPS 'B' & 'B3',  Facility Carried by Structure: IS 270 RAMP 'C'
Minimum Vertical Clearance: 5.18m (16.99ft),  Kilometerpoint: 2.590,  Lanes on structure: 3,  Lanes under structure: 3,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 36.6m (120.1ft)

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Structure Number: 10000015009701,  Location: 0.79 MILE NORTH OF IS 495 (Lat: 39.021742,  Lng: -77.142347),  Route carried "under" structure: Interstate 270Y,  Year Built: 2004,  Structure Length: 0. m,  Average Daily Traffic: 132,561 (year 2009),  Truck Traffic: 8%,  Features Intersected: IS 270Y,  Facility Carried by Structure: DEMOCRACY BLVD
Minimum Vertical Clearance: 4.88m (16.01ft),  Kilometerpoint: 1.271,  Lanes on structure: 8,  Lanes under structure: 6,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 37.2m (122.0ft)

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Structure Number: 10000015011201,  Location: 0.05 MILE NORTH OF IS 495 (Lat: 39.012983,  Lng: -77.149228),  Route carried "under" structure: Interstate 270Y,  Year Built: 1996,  Structure Length: 0. m,  Average Daily Traffic: 129,011 (year 2009),  Features Intersected: IS 270Y,  Facility Carried by Structure: IS 495 OL
Minimum Vertical Clearance: 5.18m (16.99ft),  Kilometerpoint: 0.080,  Lanes on structure: 3,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 30.5m (100.1ft)

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Structure Number: 10000015011701,  Location: 0.10 MI N OF IS 495 (Lat: 39.019792,  Lng: -77.102947),  Route carried "under" structure: Interstate 270,  Year Built: 1960,  Structure Length: 0. m,  Average Daily Traffic: 10,596 (year 2007),  Truck Traffic: 8%,  Features Intersected: MD 355 RAMP 1,  Facility Carried by Structure: MD 355 SBR
Minimum Vertical Clearance: 5.49m (18.01ft),  Kilometerpoint: 0.161,  Lanes on structure: 3,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 15.2m (49.9ft)

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Structure Number: 10000015011801,  Location: 1.02 MILES EAST OF MD 187 (Lat: 39.019100,  Lng: -77.102853),  Route carried "under" structure: Interstate 495,  Year Built: 1960,  Structure Length: 0. m,  Average Daily Traffic: 115,750 (year 2009),  Features Intersected: IS 495 OL,  Facility Carried by Structure: MD 355 SBR
Minimum Vertical Clearance: 4.88m (16.01ft),  Kilometerpoint: 10.668,  Lanes on structure: 4,  Lanes under structure: 5,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 36.3m (119.1ft)

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Structure Number: 10000015011901,  Location: 1.1 MILES EAST OF MD 187 (Lat: 39.017250,  Lng: -77.100753),  Route carried "under" structure: Interstate 495,  Year Built: 1960,  Structure Length: 0. m,  Average Daily Traffic: 238,050 (year 2009),  Features Intersected: IS 495 OL,  Facility Carried by Structure: MD 355 NBR
Minimum Vertical Clearance: 5.49m (18.01ft),  Kilometerpoint: 10.796,  Lanes on structure: 3,  Lanes under structure: 4,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 37.2m (122.0ft)

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Structure Number: 10000015014501,  Location: 0.15 MILE WEST OF IS 270 (Lat: 39.019914,  Lng: -77.105442),  Route carried "under" structure: Interstate 495,  Year Built: 1990,  Structure Length: 0. m,  Average Daily Traffic: 115,750 (year 2009),  Truck Traffic: 8%,  Features Intersected: IS 495 OL,  Facility Carried by Structure: IS 270 SBR
Minimum Vertical Clearance: 4.88m (16.01ft),  Kilometerpoint: 10.249,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 34.4m (112.9ft)

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Structure Number: 10000015016201,  Location: 0.78 MILE EAST OF MD 187 (Lat: 39.019564,  Lng: -77.104794),  Route carried "under" structure: Interstate 495,  Year Built: 1990,  Structure Length: 0. m,  Average Daily Traffic: 115,750 (year 2009),  Truck Traffic: 8%,  Features Intersected: IS 495 OL,  Facility Carried by Structure: IS 270 RAMP 'A'(6)
Minimum Vertical Clearance: 5.49m (18.01ft),  Kilometerpoint: 10.282,  Lanes on structure: 1,  Lanes under structure: 4,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 39.3m (128.9ft)

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Structure Number: 10000015016801,  Location: 0.29 MILE NORTH OF MD 187 (Lat: 39.031350,  Lng: -77.131589),  Route carried "under" structure: Interstate 270,  Year Built: 2002,  Structure Length: 0. m,  Average Daily Traffic: 130,450 (year 2009),  Truck Traffic: 6%,  Features Intersected: IS 270,  Facility Carried by Structure: ROCKLEDGE BL'VD
Minimum Vertical Clearance: 4.88m (16.01ft),  Kilometerpoint: 2.944,  Lanes on structure: 5,  Lanes under structure: 6,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 26.2m (86.0ft)

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Structure Number: 10000015017001,  Location: 0.13 MILE EAST OF IS 270 (Lat: 39.055947,  Lng: -77.152189),  Route carried "under" structure: Ramp Interstate 270,  Year Built: 1988,  Structure Length: 0. m,  Average Daily Traffic: 1,487 (year 2006),  Truck Traffic: 8%,  Features Intersected: IS 270 RAMP 'I',  Facility Carried by Structure: MD 927 & RAMP 'D'
Minimum Vertical Clearance: 5.18m (16.99ft),  Kilometerpoint: 6.661,  Lanes on structure: 5,  Lanes under structure: 1,  Material/Design: Concrete,  Design/Construction: Frame,  Length of Maximum Span: 11.3m (37.1ft)

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Structure Number: 10000015017101,  Location: 0.87 M N/DEMOCRACY BL'VD (Lat: 39.033367,  Lng: -77.142581),  Route carried "under" structure: Interstate 270Y,  Year Built: 1995,  Structure Length: 0. m,  Average Daily Traffic: 132,561 (year 2009),  Truck Traffic: 8%,  Features Intersected: IS 270Y,  Facility Carried by Structure: IS 270 RAMP A 1
Minimum Vertical Clearance: 7.62m (25.00ft),  Kilometerpoint: 2.671,  Lanes on structure: 1,  Lanes under structure: 3,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 76.2m (250.0ft)

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Structure Number: 200000M-024701,  Location: 1 MI N OF DEMOCRACY BLVD (Lat: 0.650378,  Lng: -1.285639),  Route carried "under" structure: Spur Interstate 270,  Year Built: 1994,  Structure Length: 0. m,  Average Daily Traffic: 133,092 (year 2010),  Truck Traffic: 4%,  Features Intersected: I-270,  Facility Carried by Structure: WESTLAKE TERRACE-F
Minimum Vertical Clearance: 5.18m (16.99ft),  Kilometerpoint: 2.164,  Lanes on structure: 5,  Lanes under structure: 8,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 43.6m (143.0ft)

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Structure Number: 200000M-904313,  Location: MI NORTH OF I-495 (Lat: 39.026867,  Lng: -77.111867),  Route carried "under" structure: Spur Interstate 270,  Year Built: 2003,  Structure Length: 0. m,  Average Daily Traffic: 112,111 (year 2021),  Truck Traffic: 5%,  Features Intersected: SPUR OF I-270 BETH,  Facility Carried by Structure: SDA TROLLEY T.695
Minimum Vertical Clearance: 5.18m (16.99ft),  Kilometerpoint: 1.118,  Lanes under structure: 6,  Material/Design: Steel,  Design/Construction: Truss - Thru,  Length of Maximum Span: 49.4m (162.1ft)