US Bridges

I 93 NB Ramp S-N over HWY Nashua ST

Fair

Suffolk County, Massachusetts · 0.32 KM E of Levrtt Cir · Structure no. B166076JTDOTNBI

Built
2005
20 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Steel Continuous
Length
266 ft
2 main spans
Daily traffic
47,100
2023 count
Owner
State
State Highway Agency

About this bridge

I 93 NB Ramp S-N over HWY Nashua ST is a steel continuous box beam or girders - multiple carrying I 93 NB Ramp S-N over HWY Nashua ST in Suffolk County, Massachusetts. It was built in 2005, so it is 20 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 47,100 vehicles a day, roughly 2% of them trucks, projected to reach 18,478 by 2032. The structure is 266 ft (81.2 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI 93 NB Ramp S-N
CrossesHWY Nashua ST
Location0.32 KM E of Levrtt Cir
RouteInterstate 93
Coordinates42.36622, -71.06385
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating77.5 US tons

Structure

MaterialSteel Continuous
DeckOther
Main spans2
Design loadHS 25 or greater
Structure length266 ft (81.2 m)
Longest span142 ft (43.2 m)
Deck width44 ft (13.5 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,100 (2023)
Projected traffic18,478 by 2032
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
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$3.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 93 NB Ramp S-N over HWY Nashua ST built?

It was built in 2005, making it 20 years old in 2025.

What condition is I 93 NB Ramp S-N over HWY Nashua ST 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 August 2023.

How much traffic does I 93 NB Ramp S-N over HWY Nashua ST carry?

About 47,100 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is I 93 NB Ramp S-N over HWY Nashua ST?

The structure is 266 ft (81.2 m) long with a longest span of 142 ft (43.2 m) and a deck 44 ft wide.

Who owns I 93 NB Ramp S-N over HWY Nashua ST?

It is owned by the State Highway Agency.