HWY MONUMENT ST over WATER CONCORD RIVER (Route: 0)
Num:C190132CWMUNNBIx
Open: no restriction [A]
Built: 1877, Reconstructed: 2009
Historic: Bridge is eligible for the NRHP. [2]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.2 Kilometers)

Bridge Type
Main Span(s): Masonry [8] Arch - Deck [11]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]

Bridge Dimensions
Length: 57.3 m = 188.0 ft
Main Spans: 4 at 8.8 m = 28.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 6.4 m = 21.0 ft (2 Lanes) and Out-To-Out: 7.3 m = 24.0 ft for a 6.4 m = 21.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Concord [15060]: Middlesex County [017], Massachusetts [25]
Owned by Town or Township Highway Agency [03], DOT District: 4
2.9 KM N OF RT 2

Condition
Deck: Good [7]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 99.9 metric ton = 109.9 tons (Allowable Stress(AS) [2])
Inventory: 99.9 metric ton = 109.9 tons (Allowable Stress(AS) [2])

Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: March 1999 [399] and Frequency: 24

Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 6607 (2019) and Trucks: 3%
Future ADT: 14687 (In 2032 )

HWY LOWELL RD over WATER CONCORD RIVER (Route: 126)
Num:C190112KCDOTNBIx
Open: no restriction [A]
Built: 1964, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.6 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: 28.3 m = 92.9 ft
Main Spans: 1 at 27.4 m = 89.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 13.4 m = 44.0 ft (2 Lanes) and Out-To-Out: 16.4 m = 53.8 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
Concord [15060]: Middlesex County [017], Massachusetts [25]
Owned by State Highway Agency [01], DOT District: 4
2.0 MI N RTE 2

Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design: M 18 / H 20 [4]
Operating: 51.8 metric ton = 57.0 tons (Load Factor(LF) [1])
Inventory: 31.1 metric ton = 34.2 tons (Load Factor(LF) [1])

Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Equal to present minimum criteria [6]
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 conditions; field review indicates action is required. [4]
Inspections
Date: February 2021 [0221] 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: 13450 (2017) and Trucks: 7%
Future ADT: 19741 (In 2032 )