US Bridges

US 1 Ramp Ct over Other Relief

Good

Suffolk County, Massachusetts · I93/US1 Interchange · Structure no. B166108YDDOTNBI

Built
2001
24 years old
Condition
Good
inspected August 2023
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
521 ft
4 main spans
Daily traffic
27,143
2022 count
Owner
State
State Highway Agency

About this bridge

US 1 Ramp Ct over Other Relief is a prestressed concrete continuous segmental box girder carrying US 1 Ramp Ct over Other Relief in Suffolk County, Massachusetts. It was built in 2001, so it is 24 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 27,143 vehicles a day, roughly 8% of them trucks, projected to reach 275,793 by 2032. The structure is 521 ft (158.8 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 1 Ramp Ct
CrossesOther Relief
LocationI93/US1 Interchange
RouteInterstate 93
Coordinates42.37149, -71.06985
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 inspectionAugust 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 rating95.2 US tons
Inventory rating56.8 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckOther
Main spans4
Design loadHS 20
Structure length521 ft (158.8 m)
Longest span145 ft (44.2 m)
Deck width40 ft (12.1 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,143 (2022)
Projected traffic275,793 by 2032
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 1 Ramp Ct over Other Relief built?

It was built in 2001, making it 24 years old in 2025.

What condition is US 1 Ramp Ct 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 August 2023.

How much traffic does US 1 Ramp Ct over Other Relief carry?

About 27,143 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is US 1 Ramp Ct over Other Relief?

The structure is 521 ft (158.8 m) long with a longest span of 145 ft (44.2 m) and a deck 40 ft wide.

Who owns US 1 Ramp Ct over Other Relief?

It is owned by the State Highway Agency.