US Bridges

HWY Trm B Dep RD over HWY Logan Trm B Arr RD

FairPosted for load

Suffolk County, Massachusetts · Term B Depart · Structure no. B16293B34MPANBI

Built
1979
46 years old
Condition
Fair
inspected September 2024
Type
Girder and Floorbeam System
Prestressed Concrete
Length
1,870 ft
72 main spans
Daily traffic
—
Owner
State
Other State Agency

About this bridge

HWY Trm B Dep RD over HWY Logan Trm B Arr RD is a prestressed concrete girder and floorbeam system carrying HWY Trm B Dep RD over HWY Logan Trm B Arr RD in Suffolk County, Massachusetts. It was built in 1979, so it is 46 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

No traffic count is recorded. The structure is 1,870 ft (570.1 m) long and 65 ft wide.

Location

Open in Google Maps
CarriesHWY Trm B Dep RD
CrossesHWY Logan Trm B Arr RD
LocationTerm B Depart
RouteCity Street 0
CountySuffolk County
StateMassachusetts
Coordinates42.36338, -71.01921
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.8 US tons
Inventory rating14.2 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans72
Design loadH 10
Structure length1,870 ft (570.1 m)
Longest span59 ft (18.1 m)
Deck width65 ft (19.9 m)
Roadway width42 ft (12.7 m)
Vertical clearance over deck12 ft (3.6 m)

Traffic and service

Average daily traffic—
Projected traffic—
Trucks0%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byOther State Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$176.5 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Trm B Dep RD over HWY Logan Trm B Arr RD built?

It was built in 1979, making it 46 years old in 2025.

What condition is HWY Trm B Dep RD over HWY Logan Trm B Arr RD 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 September 2024.

How much traffic does HWY Trm B Dep RD over HWY Logan Trm B Arr RD carry?

No traffic count is recorded for this structure.

How long is HWY Trm B Dep RD over HWY Logan Trm B Arr RD?

The structure is 1,870 ft (570.1 m) long with a longest span of 59 ft (18.1 m) and a deck 65 ft wide.

Who owns HWY Trm B Dep RD over HWY Logan Trm B Arr RD?

It is owned by the Other State Agency.