HWY CHELSEA ST over WATER CHELSEA RIVER (Route: 0)
Num:B16020B4JDOTNBIx
Open: no restriction [A]
Built: 2012, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Steel [3] Movable - Lift [15]
Approach Span(s): Other [00]
Deck: Closed Grating [4] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]

Bridge Dimensions
Length: 145.9 m = 478.7 ft
Main Spans: 1 at 137.1 m = 449.8 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 15.2 m = 49.9 ft (4 Lanes) and Out-To-Out: 16.4 m = 53.8 ft for a 15.2 m = 49.9 ft approaching roadway.
Vertical Clearance: 7.23 m = 23.7 ft and Navigational Clearance: 2.1 m = 6.9 ft

Location
Boston [07000]: Suffolk County [025], Massachusetts [25]
Owned by State Highway Agency [01], DOT District: 6
AT CHELSEA RIVER

Condition
Deck: Very Good [8]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 58.7 metric ton = 64.6 tons (Load Factor(LF) [1])
Inventory: 35.2 metric ton = 38.7 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: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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: Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 13400 (2019) and Trucks: 6%
Future ADT: 0 (In 0 )

HWY CURTIS ST over RR CSX (Route: 0)
Num:B160693HUDOT634x
Open: no restriction [A]
Built: 1906, Reconstructed: 1975
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.3 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Slab [01]
Approach Span(s): Other [00]
Deck: Concrete Precast Panels [2] with Wearing Surface: Latex Concrete or similar additive [3]

Bridge Dimensions
Length: 15.2 m = 49.9 ft
Main Spans: 1 at 13.8 m = 45.3 ft
Approach Spans: 0
Skew: 20
Width, Roadway: 10.9 m = 35.8 ft (2 Lanes) and Out-To-Out: 14.6 m = 47.9 ft for a 11 m = 36.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Boston [07000]: Suffolk County [025], Massachusetts [25]
Owned by State Highway Agency [01], DOT District: 6
.16 KM NW OF SR 1A

Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 59.4 metric ton = 65.3 tons (Load Factor(LF) [1])
Inventory: 32.3 metric ton = 35.5 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: Better than present minimum criteria [7]
Waterway: N/A [N] and Bridge not over waterway. [N]
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: 18500 (2019) and Trucks: 15%
Future ADT: 24479 (In 2032 )

ST 1 A over HWY SARATGA ST & U TRN (Route: 1)
Num:B1623639YDOTNBIx
Open: no restriction [A]
Built: 1951, Reconstructed: 1977
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.4 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: 247.2 m = 811.1 ft
Main Spans: 10 at 33.7 m = 110.6 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 23.5 m = 77.1 ft (5 Lanes) and Out-To-Out: 26.1 m = 85.6 ft for a 23.5 m = 77.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Boston [07000]: Suffolk County [025], Massachusetts [25]
Owned by State Highway Agency [01], DOT District: 6
1.7 KM N OF CALLAHAN TUN

Condition
Deck: Fair [5]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 62.2 metric ton = 68.4 tons (Load Factor(LF) [1])
Inventory: 37.3 metric ton = 41.0 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: N/A [N] and Bridge not over waterway. [N]
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: 0.2 km = 0.1 mi
Traffic
ADT: 71520 (2017) and Trucks: 10%
Future ADT: 86862 (In 2032 )

HWY SARATOGA ST over HWY MARTIN COUGHLIN BY (Route: 0)
Num:B160703GXDOT634x
Open: no restriction [A]
Built: 1906, Reconstructed: 1978
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.4 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: Bituminous [6]

Bridge Dimensions
Length: 31.1 m = 102.0 ft
Main Spans: 1 at 29.3 m = 96.1 ft
Approach Spans: 0
Skew: 67
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
Boston [07000]: Suffolk County [025], Massachusetts [25]
Owned by State Highway Agency [01], DOT District: 6
.8 KM SW OF SUFFOLK DOWNS

Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 54 metric ton = 59.4 tons (Load Factor(LF) [1])
Inventory: 32.3 metric ton = 35.5 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: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: March 2020 [0320] 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: 16200 (2018) and Trucks: 4%
Future ADT: 25585 (In 2031 )

HWY BELLNGHM ST over RR MBTA & SILVER LINE (Route: 0)
Num:C090033FNDOT634x
Open: no restriction [A]
Built: 1993, Reconstructed: N/A [0000]
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): 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: 18.4 m = 60.4 ft
Main Spans: 1 at 16.9 m = 55.4 ft
Approach Spans: 0
Skew: 39
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 13 m = 42.7 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
Chelsea [13205]: Suffolk County [025], Massachusetts [25]
Owned by State Highway Agency [01], DOT District: 6
2.4 KM S OF JCT US1&SR16

Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 56 metric ton = 61.6 tons (Load Factor(LF) [1])
Inventory: 35.8 metric ton = 39.4 tons (Allowable Stress(AS) [2])

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: January 2020 [0120] 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: 2198 (2020) and Trucks: 6%
Future ADT: 3790 (In 2033 )

ST 1 A over HWY BNINGTN & NEPTUNE (Route: 1)
Num:B1623639WDOTNBIx
Open: no restriction [A]
Built: 1951, Reconstructed: 1977
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: 216.4 m = 710.0 ft
Main Spans: 10 at 24.4 m = 80.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 35.7 m = 117.1 ft (6 Lanes) and Out-To-Out: 36.7 m = 120.4 ft for a 35.7 m = 117.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Boston [07000]: Suffolk County [025], Massachusetts [25]
Owned by State Highway Agency [01], DOT District: 6
1 MI N OF CALLAHAN TUN.

Condition
Deck: Fair [5]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 61.6 metric ton = 67.8 tons (Load Factor(LF) [1])
Inventory: 36.7 metric ton = 40.4 tons (Load Factor(LF) [1])

Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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 rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 33770 (2018) and Trucks: 15%
Future ADT: 900517 (In 2033 )

HWY BENNINGTN ST over HWY MARTIN COUGHLIN BY (Route: 145)
Num:B160713GYDOT634x
Open: no restriction [A]
Built: 1906, Reconstructed: 1982
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] Girder and floorbeam system [03]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]

Bridge Dimensions
Length: 19.2 m = 63.0 ft
Main Spans: 1 at 18.3 m = 60.0 ft
Approach Spans: 0
Skew: 52
Width, Roadway: 38.9 m = 127.6 ft (6 Lanes) and Out-To-Out: 46.2 m = 151.6 ft for a 21 m = 68.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Boston [07000]: Suffolk County [025], Massachusetts [25]
Owned by State Highway Agency [01], DOT District: 6
305 M S OF SUFFOLK DOWNS

Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 54.7 metric ton = 60.2 tons (Allowable Stress(AS) [2])
Inventory: 35.1 metric ton = 38.6 tons (Allowable Stress(AS) [2])

Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Superior to present desirable criteria [9]
Road Alignment: Better than present minimum criteria [7]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: March 2020 [0320] and Frequency: 24

Future Work
Work Needed: Other structural work: including hydraulic replacements. [38]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 23000 (2018) and Trucks: 7%
Future ADT: 57329 (In 2033 )

ST 1 A/ON RAMP over OTHER RELIEF (Route: 1)
Num:B1623639MDOTNBIx
Open: no restriction [A]
Built: 1951, Reconstructed: 1977
Historic: Bridge is not eligible for the NRHP. [5]

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: 129.8 m = 425.9 ft
Main Spans: 6 at 26.8 m = 87.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.7 m = 25.3 ft (1 Lanes) and Out-To-Out: 9.1 m = 29.9 ft for a 7.6 m = 24.9 ft approaching roadway.
Vertical Clearance: 5.51 m = 18.1 ft and Navigational Clearance: 0 = N/A

Location
Boston [07000]: Suffolk County [025], Massachusetts [25]
Owned by State Highway Agency [01], DOT District: 6
1.4 KM NE OF SUMNER TUN

Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 62.8 metric ton = 69.1 tons (Load Factor(LF) [1])
Inventory: 37.6 metric ton = 41.4 tons (Load Factor(LF) [1])

Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Better than present minimum criteria [7]
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: Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 12549 (2019) and Trucks: 4%
Future ADT: 24479 (In 2033 )

ST 1 A/OFF RAMP over OTHER RELIEF (Route: 1)
Num:B1623639PDOTNBIx
Open: no restriction [A]
Built: 1951, Reconstructed: 1977
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 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: 92.7 m = 304.1 ft
Main Spans: 4 at 24.4 m = 80.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.7 m = 25.3 ft (1 Lanes) and Out-To-Out: 9.1 m = 29.9 ft for a 7.6 m = 24.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Boston [07000]: Suffolk County [025], Massachusetts [25]
Owned by State Highway Agency [01], DOT District: 6
.8 MI NE OF CALLAHAN TUN.

Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 63 metric ton = 69.3 tons (Load Factor(LF) [1])
Inventory: 37.8 metric ton = 41.6 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: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: January 2020 [0120] and Frequency: 24

Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 7600 (2018) and Trucks: 8%
Future ADT: 23374 (In 2033 )

ST 1 A over OTHER RELIEF (Route: 1)
Num:B1623639UDOTNBIx
Open: no restriction [A]
Built: 1951, Reconstructed: 1977
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: 51.5 m = 169.0 ft
Main Spans: 2 at 25.9 m = 85.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 33.5 m = 109.9 ft (6 Lanes) and Out-To-Out: 35.1 m = 115.2 ft for a 35.4 m = 116.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Boston [07000]: Suffolk County [025], Massachusetts [25]
Owned by State Highway Agency [01], DOT District: 6
1.3 KM NE OF CALLAHAN TUN

Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 70.3 metric ton = 77.3 tons (Load Factor(LF) [1])
Inventory: 42.1 metric ton = 46.3 tons (Load Factor(LF) [1])

Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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 rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 47003 (2019) and Trucks: 4%
Future ADT: 68226 (In 2033 )