HWY UNION ST over WATER MERRIMACK RIVER (Route: 0)
Num:L04003317DOTNBIx
Open: no restriction [A]
Built: 1888, Reconstructed: 2012
Historic: Bridge is eligible for the NRHP. [2]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Aluminum: Wrought Iron or Cast Iron [9] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Closed Grating [4] with Wearing Surface:

Bridge Dimensions
Length: 185.9 m = 609.9 ft
Main Spans: 5 at 39.9 m = 130.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 8 m = 26.2 ft (2 Lanes) and Out-To-Out: 14.9 m = 48.9 ft for a 7.9 m = 25.9 ft approaching roadway.
Vertical Clearance: 4.39 m = 14.4 ft and Navigational Clearance: 0 = N/A

Location
Lawrence [34550]: Essex County [009], Massachusetts [25]
Owned by State Highway Agency [01], DOT District: 4
AT MERRIMAC RIVER

Condition
Deck: Very Good [8]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 45.4 metric ton = 49.9 tons (Load Factor(LF) [1])
Inventory: 25.9 metric ton = 28.5 tons (Load Factor(LF) [1])

Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Inspections
Date: January 2021 [0121] and Frequency: 24

Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 24050 (2019) and Trucks: 5%
Future ADT: 45800 (In 2031 )

HWY S UNION ST over RR MBTA/BMRR (Route: 0)
Num:L0402332DDOT634x
Open: no restriction [A]
Built: 1927, Reconstructed: 1993
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.2 Kilometers)

Bridge Type
Main Span(s): Steel continuous [4] 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: 22.6 m = 74.2 ft
Main Spans: 2 at 10.4 m = 34.1 ft
Approach Spans: 0
Skew: 7
Width, Roadway: 15.8 m = 51.8 ft (4 Lanes) and Out-To-Out: 20.4 m = 66.9 ft for a 15.8 m = 51.8 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Lawrence [34550]: Essex County [009], Massachusetts [25]
Owned by State Highway Agency [01], DOT District: 4
.8 KM SO MERRIMAC RIVER

Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 67.3 metric ton = 74.0 tons (Load Factor(LF) [1])
Inventory: 40 metric ton = 44.0 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: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: August 2020 [0820] and Frequency: 24

Future Work
Work Needed: Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 11000 (2018) and Trucks: 8%
Future ADT: 10108 (In 2031 )

HWY UNION ST over WATER NORTH CANAL (Route: 0)
Num:L040042PXMUNNBIx
Open: no restriction [A]
Built: 1860, Reconstructed: 1939
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.2 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: 23.2 m = 76.1 ft
Main Spans: 1 at 22 m = 72.2 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 10.4 m = 34.1 ft (3 Lanes) and Out-To-Out: 15.2 m = 49.9 ft for a 10.4 m = 34.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Lawrence [34550]: Essex County [009], Massachusetts [25]
Owned by City or Municipal Highway Agency [04], DOT District: 4
.32 KM NORTH MERRIMAC R

Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design:
Operating: 64.2 metric ton = 70.6 tons (Load Factor(LF) [1])
Inventory: 38.5 metric ton = 42.4 tons (Load Factor(LF) [1])

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 Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: October 1999 [1099] 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: 16435 (2018) and Trucks: 4%
Future ADT: 45168 (In 2032 )

HWY GENERAL ST over WATER SPICKET RIVER (Route: 0)
Num:L040162PRMUNNBIx
Open: no restriction [A]
Built: 1939, Reconstructed: 1990
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.4 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: 21.6 m = 70.9 ft
Main Spans: 1 at 21 m = 68.9 ft
Approach Spans: 0
Skew: 16
Width, Roadway: 10.4 m = 34.1 ft (2 Lanes) and Out-To-Out: 15.2 m = 49.9 ft for a 10.4 m = 34.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Lawrence [34550]: Essex County [009], Massachusetts [25]
Owned by City or Municipal Highway Agency [04], DOT District: 4
AT LAWRENCE GEN. HOSP.

Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: M 18 / H 20 [4]
Operating: 60.2 metric ton = 66.2 tons (Allowable Stress(AS) [2])
Inventory: 33.6 metric ton = 37.0 tons (Allowable Stress(AS) [2])

Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Inspections
Date: July 1999 [799] and Frequency: 24

Future Work
Work Needed: Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 6206 (2019) and Trucks: 4%
Future ADT: 7581 (In 2032 )

HWY CANAL ST over WATER SPICKET RIVER (Route: 0)
Num:L04051AE5MUNNBIx
Open: no restriction [A]
Built: 2013, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.4 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: 41.1 m = 134.8 ft
Main Spans: 1 at 39.6 m = 129.9 ft
Approach Spans: 0
Skew: 15
Width, Roadway: 20.1 m = 65.9 ft (5 Lanes) and Out-To-Out: 24.6 m = 80.7 ft for a 22.1 m = 72.5 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Lawrence [34550]: Essex County [009], Massachusetts [25]
Owned by City or Municipal Highway Agency [04], DOT District: 4
0.1 6 KM WEST OF MARSTON

Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 75.9 metric ton = 83.5 tons (Load Factor(LF) [1])
Inventory: 45.5 metric ton = 50.1 tons (Load Factor(LF) [1])

Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: January 2020 [0120] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 18750 (2020) and Trucks: 3%
Future ADT: 0 (In 21 )

HWY AMESBURY ST over WATER SOUTH CANAL (Route: 0)
Num:L040252PUMUNNBIx
Posted for load [P]
Built: 1918, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Tee beam [04]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]

Bridge Dimensions
Length: 21.3 m = 69.9 ft
Main Spans: 1 at 20.4 m = 66.9 ft
Approach Spans: 0
Skew: 26
Width, Roadway: 18.3 m = 60.0 ft (4 Lanes) and Out-To-Out: 24.5 m = 80.4 ft for a 17.7 m = 58.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Lawrence [34550]: Essex County [009], Massachusetts [25]
Owned by City or Municipal Highway Agency [04], DOT District: 4
JUST S OF MERRIMACK RIV

Condition
Deck: Fair [5]
Superstructure: Poor [4]
Substructure: Fair [5]
Loading
Design:
Operating: 39.6 metric ton = 43.6 tons (Load Factor(LF) [1])
Inventory: 38.6 metric ton = 42.5 tons (Load Factor(LF) [1])

Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Better than present minimum criteria [7]
Waterway: Superior to present desirable criteria [9] and Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: October 2020 [1020] and Frequency: 12

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: 38800 (2016) and Trucks: 6%
Future ADT: 50380 (In 2031 )

HWY AMESBURY ST over COMB MERIMAC RIV/ACCESS (Route: 0)
Num:L040022PTMUNNBIx
Open: no restriction [A]
Built: 1918, Reconstructed: 1982
Historic: Bridge is eligible for the NRHP. [2]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Arch - Deck [11]
Approach Span(s): Concrete [1] Frame [07]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]

Bridge Dimensions
Length: 456.3 m = 1497.1 ft
Main Spans: 7 at 32.6 m = 107.0 ft
Approach Spans: 6
Skew: 0
Width, Roadway: 18.3 m = 60.0 ft (4 Lanes) and Out-To-Out: 24.4 m = 80.1 ft for a 18.3 m = 60.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Lawrence [34550]: Essex County [009], Massachusetts [25]
Owned by City or Municipal Highway Agency [04], DOT District: 4
AT MERRIMACK RIVER

Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 52.8 metric ton = 58.1 tons (Allowable Stress(AS) [2])
Inventory: 32.7 metric ton = 36.0 tons (Allowable Stress(AS) [2])

Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Superior to present desirable criteria [9] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: September 1999 [999] 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: 13500 (2019) and Trucks: 3%
Future ADT: 26848 (In 2032 )

HWY HAVERHILL ST over WATER SPICKET RIVER (Route: 0)
Num:L040152Q4MUNNBIx
Open: no restriction [A]
Built: 1939, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.8 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: 21.3 m = 69.9 ft
Main Spans: 1 at 20.4 m = 66.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 10.4 m = 34.1 ft (2 Lanes) and Out-To-Out: 15.9 m = 52.2 ft for a 10.4 m = 34.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Lawrence [34550]: Essex County [009], Massachusetts [25]
Owned by City or Municipal Highway Agency [04], DOT District: 4
0.8 KM EAST ST 110

Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design:
Operating: 57.3 metric ton = 63.0 tons (Load Factor(LF) [1])
Inventory: 35.3 metric ton = 38.8 tons (Load Factor(LF) [1])

Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: Better than present minimum criteria [7] and Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: September 2020 [0920] 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: 7800 (2016) and Trucks: 6%
Future ADT: 12476 (In 2031 )