US Bridges

HWY Frnt RD NB over Other Relief

Fair

Suffolk County, Massachusetts · Just North So by Pass RD · Structure no. B1664791JDOTNBI

Built
2000
25 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
193 ft
3 main spans
Daily traffic
42,155
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 42,155 vehicles a day, roughly 7% of them trucks, projected to reach 32,060 by 2032. The structure is 193 ft (58.7 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Frnt RD NB
CrossesOther Relief
LocationJust North So by Pass RD
RouteState Highway 0
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.2 US tons
Inventory rating38.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadHS 25 or greater
Structure length193 ft (58.7 m)
Longest span63 ft (19.3 m)
Deck width52 ft (15.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,155 (2023)
Projected traffic32,060 by 2032
Trucks7%
Lanes on structure3
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$8.6 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 42,155 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is HWY Frnt RD NB over Other Relief?

The structure is 193 ft (58.7 m) long with a longest span of 63 ft (19.3 m) and a deck 52 ft wide.

Who owns HWY Frnt RD NB over Other Relief?

It is owned by the State Highway Agency.