US Bridges

ST 27 Main ST over ST 2

Fair

Middlesex County, Massachusetts · Rt 27 at Rt 2 · Structure no. A02037287DOTNBI

Built
1952
73 years old, rebuilt 1987
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
102 ft
2 main spans
Daily traffic
9,055
2024 count
Owner
State
State Highway Agency

About this bridge

ST 27 Main ST over ST 2 is a steel continuous stringer/multi-beam or girder carrying ST 27 Main ST over ST 2 in Middlesex County, Massachusetts. It was built in 1952 and reconstructed in 1987, so it is 73 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 9,055 vehicles a day, roughly 2% of them trucks, projected to reach 26,216 by 2031. The structure is 102 ft (31.1 m) long and 55 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesST 27 Main ST
CrossesST 2
LocationRt 27 at Rt 2
RouteState Highway 27
Coordinates42.47794, -71.44852
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.
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 inspectionNovember 2024
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.4 US tons
Inventory rating44.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length102 ft (31.1 m)
Longest span48 ft (14.6 m)
Deck width55 ft (16.7 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,055 (2024)
Projected traffic26,216 by 2031
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$5.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 27 Main ST over ST 2 built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1987.

What condition is ST 27 Main ST over ST 2 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 November 2024.

How much traffic does ST 27 Main ST over ST 2 carry?

About 9,055 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is ST 27 Main ST over ST 2?

The structure is 102 ft (31.1 m) long with a longest span of 48 ft (14.6 m) and a deck 55 ft wide.

Who owns ST 27 Main ST over ST 2?

It is owned by the State Highway Agency.