COVELL ROAD over LITTLE BENNETT CREEK (Route: 352)
Num:200000F-0710010x
Posted for load [P]
Built: 1930, Reconstructed: 2004
Historic: Bridge is possibly eligible for the NRHP. [3]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface:

Bridge Dimensions
Length: 20.1 m = 65.9 ft
Main Spans: 1 at 18.9 m = 62.0 ft
Approach Spans: 0
Skew: 20
Width, Roadway: 3.7 m = 12.1 ft (1 Lanes) and Out-To-Out: 4.4 m = 14.4 ft for a 3.4 m = 11.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Frederick County [021], Maryland [24]
Owned by County Highway Agency [02], DOT District: 7
WEST OF THURSTON ROAD INT

Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design:
Operating: 17.7 metric ton = 19.5 tons (Load Factor(LF) [1])
Inventory: 10.4 metric ton = 11.4 tons (Load Factor(LF) [1])

Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: September 2020 [0920] and Frequency: 12

Future Work
Work Needed:
Bridge Detour: 15.9 km = 9.9 mi
Traffic
ADT: 36 (2007) and Trucks: 0%
Future ADT: 42 (In 2027 )

THURSTON ROAD over LITTLE BENNETT CREEK (Route: 349)
Num:200000F-0703010x
Open: no restriction [A]
Built: 1986, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0.1 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: Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Bridge Dimensions
Length: 17.4 m = 57.1 ft
Main Spans: 1 at 15.9 m = 52.2 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 8.3 m = 27.2 ft for a 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Frederick County [021], Maryland [24]
Owned by County Highway Agency [02], DOT District: 7
1.8 MI S OF PETERS RD

Condition
Deck: Very Good [8]
Superstructure: Good [7]
Substructure: Very Good [8]
Loading
Design: MS 18 / HS 20 [5]
Operating: 99.9 metric ton = 109.9 tons (Load Factor(LF) [1])
Inventory: 64.9 metric ton = 71.4 tons (Load Factor(LF) [1])

Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: June 1999 [699] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 478 (2009) and Trucks: 5%
Future ADT: 574 (In 2032 )