BridgeSafety
Suffolk County, MA · Structure #B1665691CDOTNBI

I 93 SB

I 93 SB in Mass AVE. Int., Suffolk County, Massachusetts received a condition grade of B (70/100). Built in 1997, the bridge carries 165K vehicles daily on I 93 SB over HWY Albany ST.

B
70/100
70
Condition Score
165K
Daily Traffic
1997
Year Built
314.9m
Length

Component Ratings

DeckFair
6/9

The riding surface — evaluated for cracking, spalling, and wear

SuperstructureGood
7/9

Beams, girders, and trusses that support the deck

SubstructureFair
6/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
I 93 SB
Crosses Over
HWY Albany ST
State
Massachusetts
County
Suffolk County
Location
Mass AVE. Int.
Year Built
1997
Age
29 years
Daily Traffic
164,570
Lanes
6
Length
314.9 meters
Owner
State Highway Agency
Structure Number
B1665691CDOTNBI

About This Bridge

I 93 SB is a 29-year-old bridge located Mass AVE. Int. in Suffolk County, Massachusetts. The bridge carries I 93 SB over HWY Albany ST with 6 traffic lanes, handling approximately 165K vehicles per day. Built in 1997, the structure spans 314.9 meters.

The bridge received a Condition Grade of B (70/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 7/9 (good), and substructure 6/9 (fair).

This bridge is owned and maintained by State Highway Agency.

Location Map

Mass AVE. Int., Suffolk County, Massachusetts

42.340528, -71.063558

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Frequently Asked Questions

I 93 SB has a Condition Score of 70/100 (Grade B). Its deck is rated 6/9, superstructure 7/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.

I 93 SB was built in 1997, making it 29 years old. The average bridge age in the United States is 48 years.

I 93 SB carries approximately 165K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 314.9 meters long and located on I 93 SB in Mass AVE. Int., Suffolk County, Massachusetts.

No, I 93 SB is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.

I 93 SB is located Mass AVE. Int. in Suffolk County, Massachusetts. The bridge carries I 93 SB over HWY Albany ST. Its coordinates are 42.340528, -71.063558. It is maintained by State Highway Agency.

I 93 SB carries I 93 SB over HWY Albany ST. The bridge is 314.9 meters long and was built in 1997.

Last updated:

Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.