US 40 over PATAPSCO RIVER (Route: 40)
Num:100000030109010x
Open: no restriction [A]
Built: 1936, Reconstructed: 2011
Historic: Bridge is possibly eligible for the NRHP. [3]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.3 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Arch - Deck [11]
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: 101.8 m = 334.0 ft
Main Spans: 1 at 54.9 m = 180.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 15.2 m = 49.9 ft (4 Lanes) and Out-To-Out: 18.1 m = 59.4 ft for a 21.9 m = 71.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Baltimore County [005], Maryland [24]
Owned by State Highway Agency [01], DOT District: 4
ON HOWARD CO LINE

Condition
Deck: Very Good [8]
Superstructure: Good [7]
Substructure: Very Good [8]
Loading
Design: M 18 / H 20 [4]
Operating: 63.9 metric ton = 70.3 tons (Load Factor(LF) [1])
Inventory: 38.1 metric ton = 41.9 tons (Load Factor(LF) [1])

Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
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: April 1999 [499] and Frequency: 24

Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 1.1 km = 0.7 mi
Traffic
ADT: 37530 (2009) and Trucks: 8%
Future ADT: 45637 (In 2026 )

US 40 over PATAPSCO FOREST ROAD (Route: 40)
Num:100000130034010x
Open: no restriction [A]
Built: 1936, Reconstructed: N/A [0000]
Historic: Bridge is possibly eligible for the NRHP. [3]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Slab [01]
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: 7.3 m = 24.0 ft
Main Spans: 1 at 6.1 m = 20.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 25.9 m = 85.0 ft (4 Lanes) and Out-To-Out: 26.8 m = 87.9 ft for a 21.3 m = 69.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Howard County [027], Maryland [24]
Owned by State Highway Agency [01], DOT District: 7
0.5 MI W OF BALTIMORE CO

Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: M 18 / H 20 [4]
Operating: 49.9 metric ton = 54.9 tons (Load Factor(LF) [1])
Inventory: 29.9 metric ton = 32.9 tons (Load Factor(LF) [1])

Appraisal
Structural: Equal to present minimum criteria [6]
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: May 2020 [0520] and Frequency: 12

Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 1 km = 0.6 mi
Traffic
ADT: 37530 (2009) and Trucks: 8%
Future ADT: 45637 (In 2026 )