US Bridges

I 93 Ramps NS Sn over Other Relief

Good

Suffolk County, Massachusetts · I93 Ramps N-S S-N · Structure no. B165769EKDOTNBI

Built
1999
26 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
99 ft
1 main span
Daily traffic
20,161
2022 count
Owner
State
State Highway Agency

About this bridge

I 93 Ramps NS Sn over Other Relief is a prestressed concrete continuous stringer/multi-beam or girder carrying I 93 Ramps NS Sn over Other Relief in Suffolk County, Massachusetts. It was built in 1999, so it is 26 years old, younger than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20,161 vehicles a day, roughly 5% of them trucks, projected to reach 31,586 by 2032. The structure is 99 ft (30.1 m) long and 50 ft wide.

CarriesI 93 Ramps NS Sn
CrossesOther Relief
LocationI93 Ramps N-S S-N
RouteInterstate 93
Coordinates42.37372, -71.07111
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.9 US tons
Inventory rating52.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length99 ft (30.1 m)
Longest span95 ft (29 m)
Deck width50 ft (15.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,161 (2022)
Projected traffic31,586 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 93 Ramps NS Sn over Other Relief built?

It was built in 1999, making it 26 years old in 2025.

What condition is I 93 Ramps NS Sn over Other Relief in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does I 93 Ramps NS Sn over Other Relief carry?

About 20,161 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is I 93 Ramps NS Sn over Other Relief?

The structure is 99 ft (30.1 m) long with a longest span of 95 ft (29 m) and a deck 50 ft wide.

Who owns I 93 Ramps NS Sn over Other Relief?

It is owned by the State Highway Agency.