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Nearby Bridges in NBI 2021: 4


FREDERICK ROAD over HUNTING CREEK (Route: 146)
Num:200000F-T-02010x
Posted for load [P]
Built: 1928, Reconstructed: 1984
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Box beam or girders - Multiple [05]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 20.7 m = 67.9 ft
Main Spans: 2 at 10.1 m = 33.1 ft
Approach Spans: 0
Skew: 29
Width, Roadway: 6.7 m = 22.0 ft (2 Lanes) and Out-To-Out: 9.8 m = 32.2 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Thurmont [77825]: Frederick County [021], Maryland [24]
Owned by Town or Township Highway Agency [03], DOT District: 7
0.2 MI SW OF MD ROUTE 77
Condition
Deck: Satisfactory [6]
Superstructure: Poor [4]
Substructure: Poor [4]
Loading
Design:
Operating: 35.8 metric ton = 39.4 tons (Load Factor(LF) [1])
Inventory: 21.3 metric ton = 23.4 tons (Load Factor(LF) [1])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: May 2020 [0520] and Frequency: 12
Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 10463 (2020) and Trucks: 10%
Future ADT: 15547 (In 2040 )
US 15 NBR over MD 77: HUNTING CREEK (Route: 15)
Num:100000100109010x
Open: no restriction [A]
Built: 1957, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 82.3 m = 270.0 ft
Main Spans: 5 at 18.9 m = 62.0 ft
Approach Spans: 0
Skew: 10
Width, Roadway: 12.2 m = 40.0 ft (2 Lanes) and Out-To-Out: 13.7 m = 44.9 ft for a 13.4 m = 44.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Bridgeport [09650]: Frederick County [021], Maryland [24]
Owned by State Highway Agency [01], DOT District: 7
0.46 MILE SOUTH OF MD 15D
Condition
Deck: Poor [4]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 82.5 metric ton = 90.8 tons (Load Factor(LF) [1])
Inventory: 49.4 metric ton = 54.3 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: July 2020 [0720] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 30410 (2009) and Trucks: 8%
Future ADT: 46450 (In 2029 )
US 15 over MARYLAND MIDLAND RR (Route: 15)
Num:100000100108040x
Open: no restriction [A]
Built: 1957, Reconstructed: 1982
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Frame [07]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 12.8 m = 42.0 ft
Main Spans: 1 at 11.6 m = 38.1 ft
Approach Spans: 0
Skew: 25
Width, Roadway: 27.4 m = 89.9 ft (4 Lanes) and Out-To-Out: 29.4 m = 96.5 ft for a 48.8 m = 160.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Bridgeport [09650]: Frederick County [021], Maryland [24]
Owned by State Highway Agency [01], DOT District: 7
0.26 MILE SOUTH OF MD 550
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 99.9 metric ton = 109.9 tons (Load Factor(LF) [1])
Inventory: 69.8 metric ton = 76.8 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Superior to present desirable criteria [9]
Road Alignment: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: January 2020 [0120] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 28321 (2013) and Trucks: 8%
Future ADT: 46450 (In 2029 )
US 15 SBR over MD 77: HUNTING CREEK (Route: 15)
Num:100000100179010x
Open: no restriction [A]
Built: 1985, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.8 Kilometers)

Bridge Type
Main Span(s): Steel [3] Girder and floorbeam system [03]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 82.3 m = 270.0 ft
Main Spans: 3 at 32.3 m = 106.0 ft
Approach Spans: 0
Skew: 7
Width, Roadway: 15.9 m = 52.2 ft (3 Lanes) and Out-To-Out: 16.8 m = 55.1 ft for a 15.9 m = 52.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Bridgeport [09650]: Frederick County [021], Maryland [24]
Owned by State Highway Agency [01], DOT District: 7
0.46 MILE SOUTH OF MD 15D
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 99.9 metric ton = 109.9 tons (Load Factor(LF) [1])
Inventory: 62.6 metric ton = 68.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: July 2020 [0720] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 30410 (2009) and Trucks: 8%
Future ADT: 46450 (In 2029 )

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

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