US Bridges

I 93 Ramps NS Sn over Other Relief

Fair

Suffolk County, Massachusetts · I93 Ramps N-S S-N · Structure no. B165769ELDOTNBI

Built
1999
26 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
211 ft
17 main spans
Daily traffic
20,161
2022 count
Owner
State
State Highway Agency

About this bridge

I 93 Ramps NS Sn over Other Relief is a concrete slab 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 20,161 vehicles a day, roughly 5% of them trucks, projected to reach 31,586 by 2032. The structure is 211 ft (64.4 m) long and 52 ft wide.

CarriesI 93 Ramps NS Sn
CrossesOther Relief
LocationI93 Ramps N-S S-N
RouteInterstate 93
Coordinates42.37364, -71.06969
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.4 US tons
Inventory rating51 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans17
Design loadHS 20
Structure length211 ft (64.4 m)
Longest span12 ft (3.7 m)
Deck width52 ft (15.7 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2 million (2025 estimate)
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 fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. 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 211 ft (64.4 m) long with a longest span of 12 ft (3.7 m) and a deck 52 ft wide.

Who owns I 93 Ramps NS Sn over Other Relief?

It is owned by the State Highway Agency.