US Bridges

HWY Mass Av Conn over Other Relief

Fair

Suffolk County, Massachusetts · Mass Ave. Int. · Structure no. B1664991GDOTNBI

Built
2000
25 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
209 ft
3 main spans
Daily traffic
42,900
2024 count
Owner
State
State Highway Agency

About this bridge

HWY Mass Av Conn over Other Relief is a prestressed concrete continuous stringer/multi-beam or girder carrying HWY Mass Av Conn 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 42,900 vehicles a day, roughly 5% of them trucks, projected to reach 67,910 by 2031. The structure is 209 ft (63.7 m) long and 64 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHWY Mass Av Conn
CrossesOther Relief
LocationMass Ave. Int.
RouteInterstate 0
Coordinates42.33533, -71.06634
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionDecember 2024
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 rating77.1 US tons
Inventory rating46.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadHS 25 or greater
Structure length209 ft (63.7 m)
Longest span75 ft (22.9 m)
Deck width64 ft (19.4 m)
Roadway width61 ft (18.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,900 (2024)
Projected traffic67,910 by 2031
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed1.9 mi (3 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$5.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Mass Av Conn over Other Relief built?

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

What condition is HWY Mass Av Conn 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 December 2024.

How much traffic does HWY Mass Av Conn over Other Relief carry?

About 42,900 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is HWY Mass Av Conn over Other Relief?

The structure is 209 ft (63.7 m) long with a longest span of 75 ft (22.9 m) and a deck 64 ft wide.

Who owns HWY Mass Av Conn over Other Relief?

It is owned by the State Highway Agency.