US Bridges

US 1 Ramp Ct over Other Relief

Fair

Suffolk County, Massachusetts · US1 Ramp C-T · Structure no. B165738Y4DOTNBI

Built
2001
24 years old
Condition
Fair
inspected August 2023
Type
Slab
Prestressed Concrete
Length
345 ft
35 main spans
Daily traffic
46,604
2018 count
Owner
State
State Highway Agency

About this bridge

US 1 Ramp Ct over Other Relief is a prestressed concrete slab 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 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 46,604 vehicles a day, roughly 11% of them trucks, projected to reach 72,332 by 2032. The structure is 345 ft (105.2 m) long and 39 ft wide.

CarriesUS 1 Ramp Ct
CrossesOther Relief
LocationUS1 Ramp C-T
RouteU.S. Route 1
Coordinates42.37026, -71.06346
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 inspectionAugust 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 rating99.5 US tons
Inventory rating53 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans35
Design loadHS 20
Structure length345 ft (105.2 m)
Longest span13 ft (4 m)
Deck width39 ft (12 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deck33 ft (10 m)

Traffic and service

Average daily traffic46,604 (2018)
Projected traffic72,332 by 2032
Trucks11%
Lanes on structure2
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2.5 million (2025 estimate)
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 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 US 1 Ramp Ct over Other Relief carry?

About 46,604 vehicles per day (2018 count), of which roughly 11% are trucks.

How long is US 1 Ramp Ct over Other Relief?

The structure is 345 ft (105.2 m) long with a longest span of 13 ft (4 m) and a deck 39 ft wide.

Who owns US 1 Ramp Ct over Other Relief?

It is owned by the State Highway Agency.