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

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Structure Number: 10000015002701,  Location: 0.74 MILE EAST OF MD 191 (Lat: 38.996886,  Lng: -77.169236),  Route carried "on" structure: State highway 190,  Year Built: 1974,  Status: Open,  Structure Length: 2.90m (9.51ft),  Average Daily Traffic: 22,022 (year 2018),  Truck Traffic: 8%,  Average Future Daily Traffic: 22,062 (year 2038),  Design Load: HS 20,  Features Intersected: CABIN JOHN CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 17.294,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 27.4m (89.9ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 86.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 51.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 10000015002902,  Location: 0.96 MILE SOUTH OF IS 495 (Lat: 39.009686,  Lng: -77.167272),  Route carried "on" structure: State highway 191,  Year Built: 1991,  Status: Open,  Structure Length: 0.85m (2.79ft),  Average Daily Traffic: 8,530 (year 2009),  Truck Traffic: 2%,  Average Future Daily Traffic: 9,847 (year 2026),  Features Intersected: CABIN JOHN CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.512,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.0m (13.1ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 12.9m (42.3ft)

Condition: Channel: Fair,  Culverts: Satisfactory,  Operating Rating: 54.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 43.5 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 10000015006801,  Location: 1.36 MILES S OF MD 189 (Lat: 39.056389,  Lng: -77.154839),  Route carried "on" structure: State highway 927,  Year Built: 1988,  Status: Open,  Structure Length: 9.57m (31.40ft),  Average Daily Traffic: 10,211 (year 2018),  Truck Traffic: 5%,  Average Future Daily Traffic: 10,229 (year 2038),  Design Load: HS 20,  Features Intersected: IS 270 & C-D ROADS
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.220,  Lanes on structure: 6,  Lanes under structure: 14,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 28.7m (94.2ft),  Skew: 22 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 24.7m (81.0ft),  Curb or Sidewalk Widths: Left: 1.9m (6.2ft),  Right: 1.9m (6.2ft),  Curb-To-Curb Width: 28.7m (94.2ft),  Out-to-Out Width: 33.0m (108.3ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 63.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 38.1 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: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 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: 10000015010301,  Location: 0.55 MI W OF MD 191 (Lat: 38.974731,  Lng: -77.178914),  Route carried "on" structure: Ramp Interstate 495,  Year Built: 1963,  Year Reconstructed: 2008,  Status: Open,  Structure Length: 6.71m (22.01ft),  Average Daily Traffic: 7,000 (year 2006),  Truck Traffic: 2%,  Average Future Daily Traffic: 11,000 (year 2026),  Design Load: HS 20,  Features Intersected: CLARA BARTON PKWY WBR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.483,  Lanes on structure: 1,  Lanes under structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Skew: 9 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 22.3m (73.2ft),  Curb-To-Curb Width: 7.5m (24.6ft),  Out-to-Out Width: 8.7m (28.5ft)

Condition: Deck: Very good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Inventory Rating: 54.9 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 desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 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: 10000015010701,  Location: 0.12 MI W OF IS 495X (Lat: 38.985719,  Lng: -77.158847),  Route carried "on" structure: Ramp Interstate 495,  Year Built: 1964,  Year Reconstructed: 1991,  Status: Open,  Structure Length: 8.96m (29.40ft),  Average Daily Traffic: 11,731 (year 2006),  Truck Traffic: 8%,  Average Future Daily Traffic: 12,669 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: CABIN JOHN CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.161,  Lanes on structure: 1,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 5 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 23.5m (77.1ft),  Curb-To-Curb Width: 7.5m (24.6ft),  Out-to-Out Width: 8.7m (28.5ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Poor,  Inventory Rating: 65.3 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 8.81m (28.90ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Bridge Improvement Cost: $506,000,  Roadway Improvement Cost: $51,000,  Total Project Cost: $557,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 10000015011001,  Location: 1.19 MILES WEST OF MD 188 (Lat: 38.991067,  Lng: -77.157817),  Route carried "on" structure: State highway 190,  Year Built: 1962,  Year Reconstructed: 1970,  Status: Open,  Structure Length: 9.57m (31.40ft),  Average Daily Traffic: 22,022 (year 2018),  Truck Traffic: 8%,  Average Future Daily Traffic: 22,062 (year 2038),  Design Load: HS 20,  Features Intersected: IS 495
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 18.536,  Lanes on structure: 6,  Lanes under structure: 10,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 29.3m (96.1ft),  Skew: 21 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 26.2m (86.0ft),  Curb-To-Curb Width: 29.3m (96.1ft),  Out-to-Out Width: 30.9m (101.4ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 52.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 31.3 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: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 10000015011101,  Location: 1.9 MILES NORTH OF MD 190 (Lat: 39.009522,  Lng: -77.152567),  Route carried "on" structure: State highway 191,  Year Built: 1962,  Year Reconstructed: 1971,  Status: Open,  Structure Length: 10.45m (34.28ft),  Average Daily Traffic: 10,370 (year 2009),  Truck Traffic: 8%,  Average Future Daily Traffic: 13,156 (year 2026),  Design Load: HS 20,  Features Intersected: IS 495 & THOMAS BRANCH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.057,  Lanes on structure: 2,  Lanes under structure: 12,  Owner: State Highway Agency,  Approaching Roadway Width: 21.9m (71.9ft),  Skew: 20 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Number Of Approach Spans: 1,  Length of Maximum Span: 32.9m (107.9ft),  Curb-To-Curb Width: 17.7m (58.1ft),  Out-to-Out Width: 19.3m (63.3ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Very good,  Operating Rating: 75.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 45.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Superior to present desirable criteria,  Underclear: Meets minimum limits,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 10000015014301,  Location: 0.58 MI E OF VA LINE (Lat: 38.976014,  Lng: -77.178519),  Route carried "on" structure: Ramp Interstate 495,  Year Built: 1963,  Year Reconstructed: 1991,  Status: Open,  Structure Length: 10.24m (33.60ft),  Average Daily Traffic: 1,475 (year 2006),  Truck Traffic: 8%,  Average Future Daily Traffic: 1,593 (year 2026),  Design Load: HS 20+Mod,  Features Intersected: MACARTHUR BOULEVARD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.064,  Lanes on structure: 1,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 9 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Number Of Approach Spans: 1,  Length of Maximum Span: 32.6m (107.0ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 8.6m (28.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 39.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 23.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Better than present minimum criteria,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 10.24m (33.60ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Bridge Improvement Cost: $569,000,  Roadway Improvement Cost: $57,000,  Total Project Cost: $626,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 200000M-001201,  Location: 1 MI SOUTH OF MD 189 (Lat: 39.003728,  Lng: -77.214275),  Route carried "on" structure: County highway 189,  Year Built: 1989,  Status: Open,  Structure Length: 1.46m (4.79ft),  Average Daily Traffic: 3,785 (year 2019),  Truck Traffic: 5%,  Average Future Daily Traffic: 5,790 (year 2039),  Design Load: HS 20,  Features Intersected: ROCK RUN,  Facility Carried by Structure: OAKLYN DRIVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 7.0m (23.0ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  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: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete,  Membrane: Epoxy,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 200000M-001301,  Location: 1.5 MI WEST OF MD 189 (Lat: 39.045986,  Lng: -77.217058),  Route carried "on" structure: County highway 195,  Year Built: 1942,  Year Reconstructed: 1992,  Status: Posted for load,  Structure Length: 0.86m (2.82ft),  Average Daily Traffic: 5,773 (year 2019),  Truck Traffic: 3%,  Average Future Daily Traffic: 6,519 (year 2039),  Design Load: H 15,  Features Intersected: KILGOUR BRANCH,  Facility Carried by Structure: GLEN ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.784,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 5.8m (19.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.2m (26.9ft),  Curb-To-Curb Width: 5.9m (19.4ft),  Out-to-Out Width: 6.2m (20.3ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 23.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 13.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of replacement,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: High priority of corrective action,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Length Of Structure Improvement: 1.59m (5.22ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: Febuary 2021,  Bridge Improvement Cost: $202,000,  Roadway Improvement Cost: $20,000,  Total Project Cost: $303,000,  Deck Structure Type: Corrugated Steel,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 200000M-001401,  Location: 1.5 MI W OF JCT SR 189 (Lat: 39.046150,  Lng: -77.217678),  Route carried "on" structure: County highway 195,  Year Built: 1930,  Year Reconstructed: 1998,  Status: Open,  Structure Length: 1.23m (4.04ft),  Average Daily Traffic: 8,250 (year 2017),  Truck Traffic: 3%,  Average Future Daily Traffic: 9,380 (year 2037),  Design Load: HS 20,  Features Intersected: WATTS BRANCH,  Facility Carried by Structure: GLEN ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.381,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 5.5m (18.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.3m (37.1ft),  Curb-To-Curb Width: 4.4m (14.4ft),  Out-to-Out Width: 4.9m (16.1ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Fair,  Inventory Rating: 85.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: High priority of corrective action,  Length Of Structure Improvement: 1.22m (4.00ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Bridge Improvement Cost: $40,000,  Roadway Improvement Cost: $4,000,  Total Project Cost: $44,000,  Deck Structure Type: Corrugated Steel,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 200000M-001501,  Location: 0.6 MI W OF GLEN MILL RD (Lat: 39.047128,  Lng: -77.226481),  Route carried "on" structure: County highway 53,  Year Built: 1935,  Status: Posted for load,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 4,535 (year 2018),  Truck Traffic: 5%,  Average Future Daily Traffic: 5,184 (year 2038),  Features Intersected: PINEY BRANCH,  Facility Carried by Structure: GLEN ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.475,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.4m (21.0ft),  Material/Design: Concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.7m (22.0ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 7.2m (23.6ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Poor,  Inventory Rating: 59.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.79m (2.59ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $75,000,  Roadway Improvement Cost: $8,000,  Total Project Cost: $83,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 200000M-001601,  Location: 0.6 MI N OF GLEN RD. (Lat: 39.053869,  Lng: -77.217139),  Route carried "on" structure: County highway 193,  Year Built: 1960,  Year Reconstructed: 2002,  Status: Open,  Structure Length: 0.88m (2.89ft),  Average Daily Traffic: 4,190 (year 2017),  Truck Traffic: 3%,  Average Future Daily Traffic: 4,740 (year 2037),  Design Load: HS 20,  Features Intersected: PINEY BRANCH,  Facility Carried by Structure: GLEN MILL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.917,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.2m (26.9ft),  Curb-To-Curb Width: 9.6m (31.5ft),  Out-to-Out Width: 10.2m (33.5ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Fair,  Operating Rating: 68.5 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 minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Deck Structure Type: Corrugated Steel,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 200000M-002101,  Location: 0.8 MILES NORTH OF MD 190 (Lat: 39.040119,  Lng: -77.234314),  Route carried "on" structure: County highway 197,  Year Built: 2017,  Status: Open,  Structure Length: 2.23m (7.32ft),  Average Daily Traffic: 6,712 (year 2021),  Truck Traffic: 3%,  Average Future Daily Traffic: 7,572 (year 2041),  Features Intersected: WATTS BRANCH,  Facility Carried by Structure: PINEY MEETINGHOUSE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.998,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 21.6m (70.9ft),  Curb or Sidewalk Widths: Left: 0.6m (2.0ft),  Right: 0.6m (2.0ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very good,  Channel: Good,  Operating Rating: 53.8 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: 41.5 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: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum 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

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Structure Number: 200000M-011001,  Location: 0.1 MI S OF JCT SR MD 190 (Lat: 38.990572,  Lng: -77.161203),  Route carried "on" structure: County highway 148,  Year Built: 1980,  Status: Open,  Structure Length: 2.59m (8.50ft),  Average Daily Traffic: 9,886 (year 2021),  Truck Traffic: 5%,  Average Future Daily Traffic: 11,164 (year 2041),  Design Load: HS 20,  Features Intersected: CABIN JOHN CREEK,  Facility Carried by Structure: SEVEN LOCKS ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.287,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 24.4m (80.1ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 2.1m (6.9ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 74.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 44.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.59m (8.50ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Bridge Improvement Cost: $9,000,  Total Project Cost: $9,000,  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-014502,  Location: 1 MI E OF SEVEN LOCKS RD (Lat: 39.036672,  Lng: -77.154289),  Route carried "on" structure: County highway 164,  Year Built: 1966,  Status: Open,  Structure Length: 1.80m (5.91ft),  Average Daily Traffic: 23,120 (year 2019),  Truck Traffic: 5%,  Average Future Daily Traffic: 26,180 (year 2039),  Design Load: HS 20,  Features Intersected: CABIN JOHN CREEK,  Facility Carried by Structure: TUCKERMAN LANE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.639,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 4.3m (14.1ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.0m (45.9ft)

Condition: Channel: Fair,  Culverts: Satisfactory,  Inventory Rating: 68.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021

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Structure Number: 200000M-016903,  Location: .5 MI W OF SEVEN LOCKS RD (Lat: 39.041119,  Lng: -77.162192),  Route carried "on" structure: County highway 164,  Year Built: 1966,  Status: Open,  Structure Length: 0.85m (2.79ft),  Average Daily Traffic: 19,404 (year 2019),  Truck Traffic: 5%,  Average Future Daily Traffic: 21,904 (year 2039),  Design Load: HS 20,  Features Intersected: SNAKEDEN BRANCH,  Facility Carried by Structure: TUCKERMAN LANE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.492,  Lanes on structure: 4,  Owner: County Highway Agency,  Approaching Roadway Width: 14.6m (47.9ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft)

Condition: Channel: Satisfactory,  Culverts: Fair,  Operating Rating: 83.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 49.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.85m (2.79ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $60,000,  Roadway Improvement Cost: $6,000,  Total Project Cost: $66,000

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Structure Number: 200000M-017001,  Location: 0.6 MI NORTH OF GLEN ROAD (Lat: 39.054122,  Lng: -77.201558),  Route carried "on" structure: County highway 3708,  Year Built: 1970,  Status: Posted for load,  Structure Length: 2.80m (9.19ft),  Average Daily Traffic: 2,418 (year 2021),  Truck Traffic: 5%,  Average Future Daily Traffic: 2,734 (year 2041),  Design Load: H 15,  Features Intersected: WATTS BRANCH,  Facility Carried by Structure: AMBLESIDE DRIVE
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: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 28.0m (91.9ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 0.8m (2.6ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 10.7m (35.1ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 72.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 43.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.60m (11.81ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Bridge Improvement Cost: $32,000,  Roadway Improvement Cost: $3,000,  Total Project Cost: $35,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 200000M-019801,  Location: 0.8 MI S OF RIVER ROAD (Lat: 39.057306,  Lng: -77.293139),  Route carried "on" structure: County highway 26,  Year Built: 2017,  Status: Open,  Structure Length: 1.07m (3.51ft),  Average Daily Traffic: 515 (year 2021),  Truck Traffic: 5%,  Average Future Daily Traffic: 628 (year 2041),  Features Intersected: UNNAMED TRIBUTARY,  Facility Carried by Structure: PENNYFIELD LOCK RO
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.078,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.1m (29.9ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 6.1m (20.0ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 77.8 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: 59.9 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: High priority of replacement,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete

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Structure Number: 200000M-020801,  Location: 0.1 MI N OF JCT SR 190 (Lat: 39.042800,  Lng: -77.252908),  Route carried "on" structure: County highway 5961,  Year Built: 1985,  Status: Open,  Structure Length: 5.61m (18.41ft),  Average Daily Traffic: 139 (year 2021),  Truck Traffic: 3%,  Average Future Daily Traffic: 180 (year 2041),  Design Load: HS 20,  Features Intersected: WATTS BRANCH,  Facility Carried by Structure: LAKE POTOMAC DRIVE
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 continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 21.3m (69.9ft),  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: 11.6m (38.1ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 60.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 36.7 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,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 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-023703,  Location: 1.5 MI E OF JCT SR MD 189 (Lat: 39.023400,  Lng: -77.178442),  Route carried "on" structure: County highway 166,  Year Built: 1989,  Status: Open,  Structure Length: 0.85m (2.79ft),  Average Daily Traffic: 14,504 (year 2019),  Truck Traffic: 5%,  Average Future Daily Traffic: 16,580 (year 2041),  Design Load: HS 20,  Features Intersected: BUCK BRANCH TRIBUTARY,  Facility Carried by Structure: DEMOCRACY BLVD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Culvert,  Length of Maximum Span: 2.7m (8.9ft)

Condition: Channel: Satisfactory,  Culverts: Fair,  Structural Evaluation: 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 2020

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Structure Number: 200000M-024002,  Location: 2 MI E OF JCT SR MD 189 (Lat: 39.022356,  Lng: -77.172936),  Route carried "on" structure: County highway 166,  Year Built: 1988,  Status: Open,  Structure Length: 1.47m (4.82ft),  Average Daily Traffic: 14,487 (year 2019),  Truck Traffic: 5%,  Average Future Daily Traffic: 16,557 (year 2041),  Design Load: HS 20,  Features Intersected: BUCK BRANCH,  Facility Carried by Structure: DEMOCRACY BLVD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 4 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Poor,  Culverts: Satisfactory,  Inventory Rating: 83.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020

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Structure Number: 200000M-029803,  Location: 0.4 MI N OF I-495 (Lat: 38.987233,  Lng: -77.177514),  Route carried "on" structure: City street 781,  Year Built: 1977,  Status: Open,  Structure Length: 0.62m (2.03ft),  Average Daily Traffic: 4,224 (year 2021),  Truck Traffic: 3%,  Average Future Daily Traffic: 5,158 (year 2041),  Features Intersected: CONGRESSIONAL CC UNDERPA,  Facility Carried by Structure: PERSIMMON TREE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 3,  Owner: County Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Culvert,  Length of Maximum Span: 4.6m (15.1ft)

Condition: Culverts: Satisfactory,  Operating Rating: 86.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 51.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021

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Structure Number: 200000M-031602,  Location: 0.4 MI NORTH OF MD 191 (Lat: 39.009358,  Lng: -77.179828),  Route carried "on" structure: County highway 191,  Year Built: 2002,  Status: Open,  Structure Length: 0.63m (2.07ft),  Average Daily Traffic: 557 (year 2019),  Truck Traffic: 5%,  Average Future Daily Traffic: 628 (year 2039),  Design Load: HS 20,  Features Intersected: KEN BRANCH,  Facility Carried by Structure: KENDALE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Length of Maximum Span: 1.8m (5.9ft)

Condition: Channel: Fair,  Culverts: Fair,  Operating Rating: 71.7 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: Somewhat better than minimum adequacy,  Waterway Adequacy: Meets minimum limits,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021

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Structure Number: 200000M-038601,  Location: 1 MILE WEST OF I-270 (Lat: 39.040917,  Lng: -77.161861),  Route carried "on" structure: County highway 6572,  Year Built: 1995,  Status: Open,  Structure Length: 0.91m (2.99ft),  Average Daily Traffic: 513 (year 2021),  Truck Traffic: 1%,  Average Future Daily Traffic: 840 (year 2041),  Features Intersected: SNAKEDEN BRANCH,  Facility Carried by Structure: POTOMAC CREST DRIV
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Skew: 20 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Length of Maximum Span: 9.1m (29.9ft),  Curb or Sidewalk Widths: Left: 1.2m (3.9ft),  Right: 1.2m (3.9ft)

Condition: Channel: Satisfactory,  Culverts: Good,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Better than 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: November 2021

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Structure Number: 200000M-039102,  Location: 1.0 MILE SOUTH OF MD-190 (Lat: 0.000108,  Lng: -0.000214),  Route carried "on" structure: County highway 3183,  Year Built: 1972,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 1,657 (year 2021),  Truck Traffic: 5%,  Average Future Daily Traffic: 2,023 (year 2041),  Features Intersected: ROCK RUN,  Facility Carried by Structure: LOGAN DRIVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Length of Maximum Span: 3.4m (11.2ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021

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Structure Number: 200000M-042703,  Location: 1.8 MI. E. OF MD 190 (Lat: 39.025586,  Lng: -77.185778),  Route carried "on" structure: County highway 5656,  Year Built: 1980,  Status: Open,  Structure Length: 0.66m (2.17ft),  Average Daily Traffic: 20 (year 2018),  Truck Traffic: 1%,  Average Future Daily Traffic: 25 (year 2040),  Features Intersected: BUCK BRANCH TRIB,  Facility Carried by Structure: HARVEST SQUARE COU
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: Culvert,  Length of Maximum Span: 1.8m (5.9ft)

Condition: Channel: Fair,  Culverts: Satisfactory,  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum 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: 3300030P,  Location: 0.7 MILES WEST OF MACARTH (Lat: 38.972722,  Lng: -77.195389),  Route carried "on" structure: Alternate Federal lands road 6,  Year Built: 1962,  Year Reconstructed: 1991,  Status: Open,  Structure Length: 3.59m (11.78ft),  Average Daily Traffic: 2,000 (year 2013),  Truck Traffic: 20%,  Average Future Daily Traffic: 2,200 (year 2033),  Design Load: H 20,  Features Intersected: CLARA BARTON PARKWAY,  Facility Carried by Structure: CARDEROCK ACCESS C
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.865,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: National Park Service,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 33.8m (110.9ft),  Curb or Sidewalk Widths: Left: 1.2m (3.9ft),  Right: 1.2m (3.9ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 14.2m (46.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 19.0 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to 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: April 2021,  Bridge Improvement Cost: $350,000,  Roadway Improvement Cost: $35,000,  Total Project Cost: $525,000 ( Estimate for 2021),  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 10000015006801,  Location: 1.36 MILES S OF MD 189 (Lat: 39.056389,  Lng: -77.154839),  Route carried "under" structure: ServiceInterstate 270,  Year Built: 1998,  Structure Length: 0. m,  Average Daily Traffic: 32,573 (year 2006),  Truck Traffic: 8%,  Features Intersected: IS 270 NB C-D ROAD,  Facility Carried by Structure: MD 927-MONTROSE RD
Minimum Vertical Clearance: 5.18m (16.99ft),  Kilometerpoint: 6.661,  Lanes on structure: 6,  Lanes under structure: 3,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 24.7m (81.0ft)

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Structure Number: 10000015006801,  Location: 1.36 MILES S OF MD 189 (Lat: 39.056389,  Lng: -77.154839),  Route carried "under" structure: ServiceInterstate 270,  Year Built: 1998,  Structure Length: 0. m,  Average Daily Traffic: 32,573 (year 2006),  Truck Traffic: 8%,  Features Intersected: IS 270 SB C-D ROAD,  Facility Carried by Structure: MD 927-MONTROSE RD
Minimum Vertical Clearance: 5.18m (16.99ft),  Kilometerpoint: 6.661,  Lanes on structure: 6,  Lanes under structure: 3,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 24.7m (81.0ft)

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Structure Number: 10000015006801,  Location: 1.36 MILES S OF MD 189 (Lat: 39.056389,  Lng: -77.154839),  Route carried "under" structure: Interstate 270,  Year Built: 1988,  Structure Length: 0. m,  Average Daily Traffic: 261,280 (year 2009),  Truck Traffic: 8%,  Features Intersected: IS 270,  Facility Carried by Structure: MD 927-MONTROSE RD
Minimum Vertical Clearance: 4.88m (16.01ft),  Kilometerpoint: 6.661,  Lanes on structure: 6,  Lanes under structure: 8,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 24.7m (81.0ft)

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Structure Number: 10000015010301,  Location: 0.55 MI W OF MD 191 (Lat: 38.974731,  Lng: -77.178914),  Route carried "under" structure: Federal lands road GV6,  Year Built: 1963,  Structure Length: 0. m,  Average Daily Traffic: 21,462 (year 2005),  Features Intersected: CLARA BARTON PKWY WBR,  Facility Carried by Structure: IS 495 RAMP
Minimum Vertical Clearance: 4.27m (14.01ft),  Kilometerpoint: 4.393,  Lanes on structure: 1,  Lanes under structure: 3,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 22.3m (73.2ft)

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Structure Number: 10000015011001,  Location: 1.32 MILES WEST OF MD 191 (Lat: 38.991067,  Lng: -77.157817),  Route carried "under" structure: Interstate 495,  Year Built: 1962,  Structure Length: 0. m,  Average Daily Traffic: 220,020 (year 2009),  Features Intersected: IS 495,  Facility Carried by Structure: MD 190
Minimum Vertical Clearance: 4.88m (16.01ft),  Kilometerpoint: 3.813,  Lanes on structure: 6,  Lanes under structure: 10,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 26.2m (86.0ft)

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Structure Number: 10000015011101,  Location: 1.32 MILES EAST OF MD 190 (Lat: 39.009522,  Lng: -77.152567),  Route carried "under" structure: Interstate 495,  Year Built: 1962,  Structure Length: 0. m,  Average Daily Traffic: 220,020 (year 2009),  Features Intersected: IS 495 & THOMAS BRANCH,  Facility Carried by Structure: MD 191
Minimum Vertical Clearance: 4.88m (16.01ft),  Kilometerpoint: 5.937,  Lanes on structure: 4,  Lanes under structure: 9,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 32.9m (107.9ft)

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Structure Number: 10000015014301,  Location: 0.58 MI E OF VA LINE (Lat: 38.976014,  Lng: -77.178519),  Route carried "under" structure: County highway 4690,  Year Built: 1963,  Structure Length: 0. m,  Average Daily Traffic: 12,002 (year 2009),  Features Intersected: MACARTHUR BOULEVARD,  Facility Carried by Structure: IS 495 NW RAMP
Minimum Vertical Clearance: 5.18m (16.99ft),  Kilometerpoint: 8.061,  Lanes on structure: 1,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 32.6m (107.0ft)