US Bridges

HWY Ramp K over Other Relief

Good

Suffolk County, Massachusetts · Boston Mass Ave. Int. · Structure no. B16662916DOTNBI

Built
2002
23 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Steel Continuous
Length
744 ft
5 main spans
Daily traffic
45,000
2023 count
Owner
State
State Highway Agency

About this bridge

HWY Ramp K over Other Relief is a steel continuous box beam or girders - multiple carrying HWY Ramp K over Other Relief in Suffolk County, Massachusetts. It was built in 2002, so it is 23 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 45,000 vehicles a day, roughly 5% of them trucks, projected to reach 55,276 by 2032. The structure is 744 ft (226.9 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Ramp K
CrossesOther Relief
LocationBoston Mass Ave. Int.
RouteInterstate 93
Coordinates42.33883, -71.06346
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.5 US tons
Inventory rating44.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length744 ft (226.9 m)
Longest span149 ft (45.4 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,000 (2023)
Projected traffic55,276 by 2032
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo
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$13.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Ramp K over Other Relief built?

It was built in 2002, making it 23 years old in 2025.

What condition is HWY Ramp K 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 March 2023.

How much traffic does HWY Ramp K over Other Relief carry?

About 45,000 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is HWY Ramp K over Other Relief?

The structure is 744 ft (226.9 m) long with a longest span of 149 ft (45.4 m) and a deck 32 ft wide.

Who owns HWY Ramp K over Other Relief?

It is owned by the State Highway Agency.