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


  • National Bridge Inventory (NBI) Statistics
  • 26Number of bridges
  • 266ft / 80.7mTotal length
  • $295,000Total costs
  • 546,016Total average daily traffic
  • 33,607Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Mount Airy
  • No street view available for this location

New bridges in Mount Airy, MD - historical statistics
  • New bridges - historical statistics
  • 11900-1909
  • 11930-1939
  • 11950-1959
  • 21960-1969
  • 181970-1979
  • 31980-1989
Reconstructed bridges in Mount Airy, MD - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 11960-1969
  • 01970-1979
  • 21980-1989
  • 01990-1999
  • 22000-2009
Average Bridge Daily Traffic in Mount Airy, MD
Average Bridge Truck Traffic in Mount Airy, MD
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 10.0%Good
  • 80.0%Satisfactory
  • 10.0%Fair
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 72.7%Satisfactory
  • 27.3%Fair
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 36.4%Good
  • 63.6%Satisfactory
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 15.4%Very good
  • 30.8%Good
  • 38.5%Satisfactory
  • 15.4%Fair
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 11.1%Very good
  • 33.3%Good
  • 33.3%Satisfactory
  • 11.1%Fair
  • 11.1%Poor
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Structure Number: 10000002009001,  Location: 0.04 MI N OF MD 170 (Lat: 39.350806,  Lng: -77.083831),  Route carried "on" structure: Ramp Interstate 695,  Year Built: 1967,  Year Reconstructed: 1980,  Status: Open,  Structure Length: 15.36m (50.39ft),  Average Daily Traffic: 2,205 (year 2014),  Truck Traffic: 8%,  Average Future Daily Traffic: 2,828 (year 2039),  Design Load: HS 20,  Features Intersected: MTA LIGHT RAIL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.241,  Lanes on structure: 1,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 5 degrees,  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 9,  Length of Maximum Span: 24.4m (80.1ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Very good,  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: Somewhat better than minimum adequacy,  Deck Geometry: Superior to present desirable criteria,  Underclear: Somewhat better than minimum adequacy,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 100000060011013,  Location: 0.03 MI E OF FREDERICK CO (Lat: 39.359111,  Lng: -77.167011),  Route carried "on" structure: Interstate 70,  Year Built: 1974,  Status: Open,  Structure Length: 8.47m (27.79ft),  Average Daily Traffic: 65,550 (year 2009),  Truck Traffic: 8%,  Average Future Daily Traffic: 34,063 (year 2026),  Design Load: HS 20,  Features Intersected: MD 27
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.029,  Lanes on structure: 4,  Lanes under structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 15.9m (52.2ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 25.9m (85.0ft),  Curb-To-Curb Width: 19.4m (63.6ft),  Out-to-Out Width: 20.3m (66.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 82.5 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: 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: August 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 100000060011014,  Location: 0.03 MI E OF FREDERICK CO (Lat: 39.359494,  Lng: -77.165867),  Route carried "on" structure: Interstate 70,  Year Built: 1974,  Status: Open,  Structure Length: 8.47m (27.79ft),  Average Daily Traffic: 65,550 (year 2009),  Truck Traffic: 8%,  Average Future Daily Traffic: 34,063 (year 2026),  Design Load: HS 20,  Features Intersected: MD 27
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.029,  Lanes on structure: 4,  Lanes under structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 15.9m (52.2ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 25.9m (85.0ft),  Curb-To-Curb Width: 19.4m (63.6ft),  Out-to-Out Width: 20.3m (66.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 82.5 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: Somewhat better than minimum adequacy,  Underclear: Better than 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
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Structure Number: 100000100039014,  Location: .09 M E OF BILL MOXLEY RD (Lat: 39.367028,  Lng: -77.193750),  Route carried "on" structure: Interstate 70,  Year Built: 1954,  Year Reconstructed: 1974,  Status: Open,  Structure Length: 7.92m (25.98ft),  Average Daily Traffic: 67,891 (year 2017),  Truck Traffic: 8%,  Average Future Daily Traffic: 104,958 (year 2039),  Design Load: HS 20,  Features Intersected: CSX TRANS.
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 44.610,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 15.2m (49.9ft),  Skew: 5 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 28.7m (94.2ft),  Curb-To-Curb Width: 15.7m (51.5ft),  Out-to-Out Width: 16.7m (54.8ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 85.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 51.2 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: Equal to present minimum 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: Epoxy Overlay
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Structure Number: 100000100161014,  Location: 1.73 MI W OF CARROLL CO (Lat: 39.367358,  Lng: -77.195947),  Route carried "on" structure: Interstate 70,  Year Built: 1974,  Status: Open,  Structure Length: 4.27m (14.01ft),  Average Daily Traffic: 69,020 (year 2009),  Truck Traffic: 8%,  Average Future Daily Traffic: 35,181 (year 2026),  Design Load: HS 20,  Features Intersected: BILL MOXELY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 44.457,  Lanes on structure: 3,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 15.9m (52.2ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 40.8m (133.9ft),  Curb-To-Curb Width: 15.7m (51.5ft),  Out-to-Out Width: 16.7m (54.8ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 79.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 48.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: 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: January 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 10000013008301,  Location: 0.32 MILE NORTH OF MD 144 (Lat: 39.347331,  Lng: -77.094219),  Route carried "on" structure: County highway 7,  Year Built: 1973,  Status: Open,  Structure Length: 7.28m (23.88ft),  Average Daily Traffic: 2,066 (year 2006),  Truck Traffic: 5%,  Average Future Daily Traffic: 2,382 (year 2026),  Design Load: HS 20,  Features Intersected: IS 70,  Facility Carried by Structure: WATERSVILLE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.499,  Lanes on structure: 2,  Lanes under structure: 6,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 35.7m (117.1ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Satisfactory,  Operating Rating: 73.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 44.0 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: Somewhat better than minimum adequacy,  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: Monolithic Concrete
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Structure Number: 10000013008401,  Location: 0.16 MILE NORTH OF MD 144 (Lat: 39.353553,  Lng: -77.121375),  Route carried "on" structure: County highway 1594,  Year Built: 1973,  Status: Open,  Structure Length: 7.71m (25.30ft),  Average Daily Traffic: 1,639 (year 1994),  Truck Traffic: 5%,  Average Future Daily Traffic: 1,888 (year 2012),  Design Load: HS 20,  Features Intersected: IS 70,  Facility Carried by Structure: W WATERSVILLE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.151,  Lanes on structure: 2,  Lanes under structure: 6,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 37.8m (124.0ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Satisfactory,  Operating Rating: 70.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 42.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal 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: June 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 10000013009401,  Location: 0.40 MILE N OF MD 144A (Lat: 39.342233,  Lng: -77.071581),  Route carried "on" structure: State highway 94,  Year Built: 1975,  Status: Open,  Structure Length: 8.69m (28.51ft),  Average Daily Traffic: 7,450 (year 2009),  Truck Traffic: 8%,  Average Future Daily Traffic: 9,040 (year 2026),  Design Load: HS 20,  Features Intersected: IS 70
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.413,  Lanes on structure: 2,  Lanes under structure: 6,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 42.7m (140.1ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Inventory Rating: 67.1 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,  Underclear: Better than present minimum criteria,  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
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Structure Number: 200000CL030402,  Location: 0.57 MI N OF BOTELER RD (Lat: 39.392858,  Lng: -77.119178),  Route carried "on" structure: County highway 584,  Year Built: 1966,  Status: Open,  Structure Length: 0.85m (2.79ft),  Average Daily Traffic: 589 (year 2021),  Truck Traffic: 5%,  Average Future Daily Traffic: 965 (year 2041),  Features Intersected: MIDDLE RUN,  Facility Carried by Structure: RUNKLES ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.689,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.4m (21.0ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Length of Maximum Span: 3.7m (12.1ft),  Curb-To-Curb Width: 10.5m (34.4ft),  Out-to-Out Width: 11.6m (38.1ft)

Condition: Channel: Fair,  Culverts: 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: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021
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Structure Number: 200000CL030501,  Location: ON HOWARD COUNTY LINE (Lat: 39.357472,  Lng: -77.138608),  Route carried "on" structure: County highway 589,  Year Built: 1900,  Year Reconstructed: 2007,  Status: Open,  Structure Length: 0.78m (2.56ft),  Average Daily Traffic: 98 (year 2021),  Truck Traffic: 20%,  Average Future Daily Traffic: 161 (year 2041),  Design Load: HS 20,  Features Intersected: SOUTH BR PATAPSCO RIVER,  Facility Carried by Structure: TWIN ARCH ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 5.5m (18.0ft),  Material/Design: Steel,  Design/Construction: Arch - Deck,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 8.1m (26.6ft)

Condition: Superstructure: Satisfactory,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 61.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 36.9 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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 0.91m (2.99ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Bridge Improvement Cost: $160,000,  Roadway Improvement Cost: $20,000,  Total Project Cost: $180,000,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 200000CL030602,  Location: ON HOWARD CO LINE (Lat: 39.359278,  Lng: -77.135725),  Route carried "on" structure: County highway 589,  Year Built: 1987,  Status: Open,  Structure Length: 1.62m (5.31ft),  Average Daily Traffic: 4,137 (year 2021),  Truck Traffic: 5%,  Average Future Daily Traffic: 6,780 (year 2041),  Design Load: HS 20,  Features Intersected: SOUTH BR PATAPSCO RIVER,  Facility Carried by Structure: TWIN ARCH ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.529,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.4m (21.0ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Length of Maximum Span: 4.9m (16.1ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Channel: Satisfactory,  Culverts: 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: 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: July 2021,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 200000CL030702,  Location: WATERSVILLE RD 2.81 (Lat: 39.368189,  Lng: -77.104178),  Route carried "on" structure: County highway 588,  Year Built: 1976,  Status: Open,  Structure Length: 1.40m (4.59ft),  Average Daily Traffic: 938 (year 2021),  Truck Traffic: 5%,  Average Future Daily Traffic: 2,037 (year 2041),  Design Load: HS 20,  Features Intersected: SOUTH BRANCH OF PATAPSCO,  Facility Carried by Structure: WATERSVILLE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.521,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.4m (21.0ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Length of Maximum Span: 4.3m (14.1ft)

Condition: Channel: Fair,  Culverts: Fair,  Inventory Rating: 80.3 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,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021
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Structure Number: 200000CL030801,  Location: 0.04 MI N OF FLAG MARSH (Lat: 39.378497,  Lng: -77.090186),  Route carried "on" structure: County highway 600,  Year Built: 1981,  Status: Open,  Structure Length: 2.04m (6.69ft),  Average Daily Traffic: 280 (year 2021),  Truck Traffic: 5%,  Average Future Daily Traffic: 459 (year 2041),  Features Intersected: GILLIS FALLS,  Facility Carried by Structure: GRIMVILLE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.738,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 5.2m (17.1ft),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.6m (61.0ft),  Curb-To-Curb Width: 3.4m (11.2ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 38.5 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: Equal to present minimum criteria,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 2.74m (8.99ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Critical Feature Inspection Date: July 2021,  Bridge Improvement Cost: $100,000,  Roadway Improvement Cost: $15,000,  Total Project Cost: $115,000,  Deck Structure Type: Steel plate,  Wearing Surface/Protective System: Wearing Surface: Other
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Structure Number: 200000F-180203,  Location: AT MD 144 INTERSECTION (Lat: 39.367622,  Lng: -77.196067),  Route carried "on" structure: County highway 401,  Year Built: 1973,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 2,017 (year 2009),  Truck Traffic: 10%,  Average Future Daily Traffic: 2,500 (year 2032),  Design Load: HS 20,  Features Intersected: BUSH CREEK,  Facility Carried by Structure: BILL MOXLEY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 2 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Length of Maximum Span: 0.0m

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: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020
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Structure Number: 200000F-180303,  Location: AT MATTIE HAINES RD INTER (Lat: 39.401217,  Lng: -77.170644),  Route carried "on" structure: County highway 419,  Year Built: 1982,  Status: Open,  Structure Length: 0.98m (3.22ft),  Average Daily Traffic: 150 (year 2007),  Truck Traffic: 5%,  Average Future Daily Traffic: 304 (year 2027),  Features Intersected: WOODVILLE BRANCH,  Facility Carried by Structure: OLD BOHN ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.124,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 3.4m (11.2ft),  Material/Design: Steel,  Design/Construction: Culvert,  Length of Maximum Span: 0.0m

Condition: Channel: Good,  Culverts: Very good,  Inventory Rating: 66.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021
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Structure Number: 200000F-180403,  Location: 500' SOUTH OF WESTWIND DR (Lat: 39.365425,  Lng: -77.198286),  Route carried "on" structure: County highway 401,  Year Built: 1973,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 1,212 (year 2009),  Truck Traffic: 5%,  Average Future Daily Traffic: 1,500 (year 2032),  Design Load: HS 20,  Features Intersected: BRANCH OF BUSH CREEK,  Facility Carried by Structure: BILL MOXLEY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 19.2m (63.0ft),  Skew: 2 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Length of Maximum Span: 0.0m

Condition: Channel: Very good,  Culverts: Good,  Operating Rating: 62.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 37.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  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: March 2020
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Structure Number: 200000F-181003,  Location: AT TALBOT RUN ROAD INTERS (Lat: 39.455186,  Lng: -77.159672),  Route carried "on" structure: County highway 443,  Year Built: 1979,  Status: Open,  Structure Length: 0.88m (2.89ft),  Average Daily Traffic: 181 (year 2007),  Truck Traffic: 5%,  Average Future Daily Traffic: 550 (year 2032),  Features Intersected: TALBOT BRANCH,  Facility Carried by Structure: BLACK ANKLE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.963,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 3.4m (11.2ft),  Material/Design: Steel,  Design/Construction: Culvert,  Length of Maximum Span: 0.0m

Condition: Channel: Satisfactory,  Culverts: Poor,  Operating Rating: 55.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021
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Structure Number: 200000F-181203,  Location: 0.1 MI N OF BOTTOM RD (Lat: 39.409483,  Lng: -77.178072),  Route carried "on" structure: County highway 407,  Year Built: 1972,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 1,333 (year 2007),  Truck Traffic: 5%,  Average Future Daily Traffic: 2,500 (year 2036),  Features Intersected: WOODVILLE BRANCH,  Facility Carried by Structure: WOODVILLE 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),  Material/Design: Steel,  Design/Construction: Culvert,  Length of Maximum Span: 0.0m

Condition: Channel: Good,  Culverts: Satisfactory,  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: April 2021
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Structure Number: 200000F-181303,  Location: 0.5 MI S OF HARRISVILLE R (Lat: 39.428983,  Lng: -77.180406),  Route carried "on" structure: County highway 407,  Year Built: 1972,  Year Reconstructed: 2009,  Status: Open,  Structure Length: 1.13m (3.71ft),  Average Daily Traffic: 909 (year 2007),  Truck Traffic: 5%,  Average Future Daily Traffic: 1,878 (year 2036),  Features Intersected: SOUTH FORK LINGANORE CRK,  Facility Carried by Structure: WOODVILLE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.985,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 5.5m (18.0ft),  Material/Design: Steel,  Design/Construction: Culvert,  Length of Maximum Span: 0.0m

Condition: Channel: Good,  Culverts: Good,  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021
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Structure Number: 200000HO004301,  Location: 1 MI N OLD FREDERICK RD (Lat: 39.359639,  Lng: -77.097067),  Route carried "on" structure: County highway 7,  Year Built: 1935,  Year Reconstructed: 1991,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 539 (year 2000),  Truck Traffic: 4%,  Average Future Daily Traffic: 600 (year 2015),  Features Intersected: HAY MEADOW BRANCH,  Facility Carried by Structure: WATERSVILLE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.995,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.7m (22.0ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.6m (31.5ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 88.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 53.1 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: Better than present minimum criteria,  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: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 100000060011013,  Location: 0.27 MI N OF FREDERICK CO (Lat: 39.359111,  Lng: -77.167011),  Route carried "under" structure: State highway 27,  Year Built: 1974,  Structure Length: 0. m,  Average Daily Traffic: 24,731 (year 2009),  Features Intersected: MD 27,  Facility Carried by Structure: IS 70 EBR
Minimum Vertical Clearance: 4.88m (16.01ft),  Kilometerpoint: 0.434,  Lanes on structure: 3,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 25.9m (85.0ft)

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Structure Number: 100000060011014,  Location: 0.04 MI E OF FREDERICK CO (Lat: 39.359494,  Lng: -77.165867),  Route carried "under" structure: State highway 27,  Year Built: 1974,  Structure Length: 0. m,  Average Daily Traffic: 24,731 (year 2009),  Features Intersected: MD 27,  Facility Carried by Structure: IS 70 WBR
Minimum Vertical Clearance: 4.88m (16.01ft),  Kilometerpoint: 0.805,  Lanes on structure: 3,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 25.9m (85.0ft)

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Structure Number: 100000100161014,  Location: 1.75 MI W OF CARROLL CO (Lat: 39.367358,  Lng: -77.195947),  Route carried "under" structure: County highway 401,  Year Built: 1974,  Structure Length: 0. m,  Features Intersected: BILL MOXLEY ROAD,  Facility Carried by Structure: IS 70 WBR
Minimum Vertical Clearance: 5.49m (18.01ft),  Kilometerpoint: 4.328,  Lanes on structure: 3,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 40.8m (133.9ft)

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Structure Number: 10000013008301,  Location: 2.54 M E OF CARROLL CO/L (Lat: 39.347331,  Lng: -77.094219),  Route carried "under" structure: Interstate 70,  Year Built: 1973,  Structure Length: 0. m,  Average Daily Traffic: 65,550 (year 2009),  Truck Traffic: 8%,  Features Intersected: IS 70,  Facility Carried by Structure: WATERSVILLE ROAD
Minimum Vertical Clearance: 4.88m (16.01ft),  Kilometerpoint: 4.087,  Lanes on structure: 2,  Lanes under structure: 6,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 35.7m (117.1ft)

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Structure Number: 10000013008401,  Location: 1.01 M E OF CARROLL CO/L (Lat: 39.353553,  Lng: -77.121375),  Route carried "under" structure: Interstate 70,  Year Built: 1973,  Structure Length: 0. m,  Average Daily Traffic: 65,550 (year 2009),  Truck Traffic: 8%,  Features Intersected: IS 70,  Facility Carried by Structure: W WATERSVILLE ROAD
Minimum Vertical Clearance: 4.88m (16.01ft),  Kilometerpoint: 1.625,  Lanes on structure: 2,  Lanes under structure: 6,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 37.8m (124.0ft)

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Structure Number: 10000013009401,  Location: 1.27 M E/WATERSVILLE ROAD (Lat: 39.342233,  Lng: -77.071581),  Route carried "under" structure: Interstate 70,  Year Built: 1975,  Structure Length: 0. m,  Average Daily Traffic: 71,700 (year 2009),  Features Intersected: IS 70,  Facility Carried by Structure: MD 94
Minimum Vertical Clearance: 4.88m (16.01ft),  Kilometerpoint: 6.130,  Lanes on structure: 2,  Lanes under structure: 6,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 42.7m (140.1ft)

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