US Bridges

HWY Harbor ST over RR MBTA

FairPosted for load

Essex County, Massachusetts · .25 Miles E ST 127 · Structure no. M0200632GDOT634

Built
1936
89 years old, rebuilt 1985
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
40 ft
1 main span
Daily traffic
900
2018 count
Owner
State
State Highway Agency

About this bridge

HWY Harbor ST over RR MBTA is a wood or timber stringer/multi-beam or girder carrying HWY Harbor ST over RR MBTA in Essex County, Massachusetts. It was built in 1936 and reconstructed in 1985, so it is 89 years old, older 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.

It carries about 900 vehicles a day, roughly 17% of them trucks, projected to reach 537 by 2033. The structure is 40 ft (12.2 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesHWY Harbor ST
CrossesRR MBTA
Location.25 Miles E ST 127
RouteState Highway 0
CountyEssex County
StateMassachusetts
Coordinates42.56643, -70.7834
Functional classUrban Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating29.3 US tons
Inventory rating20.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span36 ft (11 m)
Deck width35 ft (10.6 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2018)
Projected traffic537 by 2033
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Harbor ST over RR MBTA built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1985.

What condition is HWY Harbor ST over RR MBTA 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 2024.

How much traffic does HWY Harbor ST over RR MBTA carry?

About 900 vehicles per day (2018 count), of which roughly 17% are trucks.

How long is HWY Harbor ST over RR MBTA?

The structure is 40 ft (12.2 m) long with a longest span of 36 ft (11 m) and a deck 35 ft wide.

Who owns HWY Harbor ST over RR MBTA?

It is owned by the State Highway Agency.