US Bridges

HWY Frnt RD NB over Other Relief

Fair

Suffolk County, Massachusetts · Mass Ave. Int. · Structure no. B1664791KDOTNBI

Built
2000
25 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
149 ft
2 main spans
Daily traffic
49,913
2023 count
Owner
State
State Highway Agency

About this bridge

HWY Frnt RD NB over Other Relief is a prestressed concrete continuous stringer/multi-beam or girder carrying HWY Frnt RD NB over Other Relief in Suffolk County, Massachusetts. It was built in 2000, so it is 25 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 49,913 vehicles a day, roughly 7% of them trucks, projected to reach 34,903 by 2032. The structure is 149 ft (45.4 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesHWY Frnt RD NB
CrossesOther Relief
LocationMass Ave. Int.
RouteCity Street 0
CountySuffolk County
StateMassachusetts
Coordinates42.33393, -71.06378
Functional classUrban Other Principal Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.1 US tons
Inventory rating40.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length149 ft (45.4 m)
Longest span74 ft (22.5 m)
Deck width51 ft (15.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49,913 (2023)
Projected traffic34,903 by 2032
Trucks7%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$10.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Frnt RD NB over Other Relief built?

It was built in 2000, making it 25 years old in 2025.

What condition is HWY Frnt RD NB 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 January 2025.

How much traffic does HWY Frnt RD NB over Other Relief carry?

About 49,913 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is HWY Frnt RD NB over Other Relief?

The structure is 149 ft (45.4 m) long with a longest span of 74 ft (22.5 m) and a deck 51 ft wide.

Who owns HWY Frnt RD NB over Other Relief?

It is owned by the State Highway Agency.