US Bridges

HWY Heath ST over Comb Amtrak/Mbta & Orng

Fair

Suffolk County, Massachusetts · Btwn Terrace & Columbus · Structure no. B160944VBMBTNBI

Built
1981
44 years old
Condition
Fair
inspected September 2022
Type
Frame
Concrete Continuous
Length
85 ft
2 main spans
Daily traffic
15,250
2022 count
Owner
State
Other State Agency

About this bridge

HWY Heath ST over Comb Amtrak/Mbta & Orng is a concrete continuous frame carrying HWY Heath ST over Comb Amtrak/Mbta & Orng in Suffolk County, Massachusetts. It was built in 1981, so it is 44 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.

It carries about 15,250 vehicles a day, roughly 5% of them trucks, projected to reach 14,056 by 2030. The structure is 85 ft (25.9 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHWY Heath ST
CrossesComb Amtrak/Mbta & Orng
LocationBtwn Terrace & Columbus
RouteCity Street 0
CountySuffolk County
StateMassachusetts
Coordinates42.32504, -71.09884
Functional classUrban Minor 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
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.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating75 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length85 ft (25.9 m)
Longest span46 ft (13.9 m)
Deck width52 ft (15.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,250 (2022)
Projected traffic14,056 by 2030
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byOther State Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$4 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Heath ST over Comb Amtrak/Mbta & Orng built?

It was built in 1981, making it 44 years old in 2025.

What condition is HWY Heath ST over Comb Amtrak/Mbta & Orng 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 2022.

How much traffic does HWY Heath ST over Comb Amtrak/Mbta & Orng carry?

About 15,250 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is HWY Heath ST over Comb Amtrak/Mbta & Orng?

The structure is 85 ft (25.9 m) long with a longest span of 46 ft (13.9 m) and a deck 52 ft wide.

Who owns HWY Heath ST over Comb Amtrak/Mbta & Orng?

It is owned by the Other State Agency.