US Bridges

HWY Frnt RD SB over Other Relief

Fair

Suffolk County, Massachusetts · Bypass RD Int. · Structure no. B1664891HDOTNBI

Built
1997
28 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
653 ft
8 main spans
Daily traffic
36,200
2025 count
Owner
State
State Highway Agency

About this bridge

HWY Frnt RD SB over Other Relief is a prestressed concrete continuous stringer/multi-beam or girder carrying HWY Frnt RD SB over Other Relief in Suffolk County, Massachusetts. It was built in 1997, so it is 28 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 36,200 vehicles a day, roughly 7% of them trucks, projected to reach 24,084 by 2032. The structure is 653 ft (198.9 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHWY Frnt RD SB
CrossesOther Relief
LocationBypass RD Int.
RouteCity Street 0
CountySuffolk County
StateMassachusetts
Coordinates42.33373, -71.06459
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.3 US tons
Inventory rating50.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 25 or greater
Structure length653 ft (198.9 m)
Longest span78 ft (23.9 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,200 (2025)
Projected traffic24,084 by 2032
Trucks7%
Lanes on structure2
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$20 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Frnt RD SB over Other Relief built?

It was built in 1997, making it 28 years old in 2025.

What condition is HWY Frnt RD SB 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 SB over Other Relief carry?

About 36,200 vehicles per day (2025 count), of which roughly 7% are trucks.

How long is HWY Frnt RD SB over Other Relief?

The structure is 653 ft (198.9 m) long with a longest span of 78 ft (23.9 m) and a deck 32 ft wide.

Who owns HWY Frnt RD SB over Other Relief?

It is owned by the State Highway Agency.