US Bridges

ST 2 A/E Main ST over RR MBTA / Bmrr

Fair

Middlesex County, Massachusetts · 0.1 MI E Main & Park · Structure no. A1900329EDOT634

Built
1949
76 years old
Condition
Fair
inspected June 2021
Type
Truss - Thru
Steel
Length
115 ft
1 main span
Daily traffic
20,477
2018 count
Owner
State
State Highway Agency

About this bridge

ST 2 A/E Main ST over RR MBTA / Bmrr is a steel truss - thru carrying ST 2 A/E Main ST over RR MBTA / Bmrr in Middlesex County, Massachusetts. It was built in 1949, so it is 76 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.

It carries about 20,477 vehicles a day, roughly 10% of them trucks, projected to reach 32,060 by 2033. The structure is 115 ft (35.1 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesST 2 A/E Main ST
CrossesRR MBTA / Bmrr
Location0.1 MI E Main & Park
RouteState Highway 2A
CountyMiddlesex County
StateMassachusetts
Coordinates42.55881, -71.58492
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2021
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 rating58.4 US tons
Inventory rating34.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length115 ft (35.1 m)
Longest span110 ft (33.4 m)
Deck width55 ft (16.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,477 (2018)
Projected traffic32,060 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$5.9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 2 A/E Main ST over RR MBTA / Bmrr built?

It was built in 1949, making it 76 years old in 2025.

What condition is ST 2 A/E Main ST over RR MBTA / Bmrr 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 June 2021.

How much traffic does ST 2 A/E Main ST over RR MBTA / Bmrr carry?

About 20,477 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is ST 2 A/E Main ST over RR MBTA / Bmrr?

The structure is 115 ft (35.1 m) long with a longest span of 110 ft (33.4 m) and a deck 55 ft wide.

Who owns ST 2 A/E Main ST over RR MBTA / Bmrr?

It is owned by the State Highway Agency.