US Bridges

I 93 Ramp NS over Other Relief

Fair

Suffolk County, Massachusetts · I93 Ramp NS · Structure no. B165748YQDOTNBI

Built
1999
26 years old
Condition
Fair
inspected October 2023
Type
Slab
Prestressed Concrete
Length
41 ft
3 main spans
Daily traffic
31,810
2023 count
Owner
State
State Highway Agency

About this bridge

I 93 Ramp NS over Other Relief is a prestressed concrete slab carrying I 93 Ramp NS 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 31,810 vehicles a day, roughly 2% of them trucks, projected to reach 63,646 by 2031. The structure is 41 ft (12.5 m) long and 24 ft wide.

CarriesI 93 Ramp NS
CrossesOther Relief
LocationI93 Ramp NS
RouteInterstate 93
Coordinates42.37209, -71.06774
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.5 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span13 ft (4 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,810 (2023)
Projected traffic63,646 by 2031
Trucks2%
Lanes on structure1
Traffic directionOne-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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$367,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 93 Ramp NS over Other Relief built?

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

What condition is I 93 Ramp NS 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 October 2023.

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

About 31,810 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is I 93 Ramp NS over Other Relief?

The structure is 41 ft (12.5 m) long with a longest span of 13 ft (4 m) and a deck 24 ft wide.

Who owns I 93 Ramp NS over Other Relief?

It is owned by the State Highway Agency.