US Bridges

ST 2 Concord Tpk over RR Mbta/Bmrr

Fair

Middlesex County, Massachusetts · 0.3 KM NW of Route 62 · Structure no. C190222DUDOTNBI

Built
1988
37 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
46,900
2016 count
Owner
State
State Highway Agency

About this bridge

ST 2 Concord Tpk over RR Mbta/Bmrr is a prestressed concrete box beam or girders - multiple carrying ST 2 Concord Tpk over RR Mbta/Bmrr in Middlesex County, Massachusetts. It was built in 1988, so it is 37 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 46,900 vehicles a day, roughly 9% of them trucks, projected to reach 88,441 by 2032. The structure is 69 ft (21 m) long and 77 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesST 2 Concord Tpk
CrossesRR Mbta/Bmrr
Location0.3 KM NW of Route 62
RouteState Highway 2
CountyMiddlesex County
StateMassachusetts
Coordinates42.45808, -71.38137
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
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.
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating105.4 US tons
Inventory rating62.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length69 ft (21 m)
Longest span67 ft (20.4 m)
Deck width77 ft (23.6 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,900 (2016)
Projected traffic88,441 by 2032
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 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$5.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 2 Concord Tpk over RR Mbta/Bmrr built?

It was built in 1988, making it 37 years old in 2025.

What condition is ST 2 Concord Tpk 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 November 2024.

How much traffic does ST 2 Concord Tpk over RR Mbta/Bmrr carry?

About 46,900 vehicles per day (2016 count), of which roughly 9% are trucks.

How long is ST 2 Concord Tpk over RR Mbta/Bmrr?

The structure is 69 ft (21 m) long with a longest span of 67 ft (20.4 m) and a deck 77 ft wide.

Who owns ST 2 Concord Tpk over RR Mbta/Bmrr?

It is owned by the State Highway Agency.