US Bridges

ST 2 EB Ramp over Water Alewife Brook

Fair

Middlesex County, Massachusetts · 1.2 KM E Rt 2 & Lake ST · Structure no. A100252DQDOTNBI

Built
1986
39 years old, rebuilt 2021
Condition
Fair
inspected September 2023
Type
Slab
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
6,361
2023 count
Owner
State
State Highway Agency

About this bridge

ST 2 EB Ramp over Water Alewife Brook is a prestressed concrete slab carrying ST 2 EB Ramp over Water Alewife Brook in Middlesex County, Massachusetts. It was built in 1986 and reconstructed in 2021, so it is 39 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 6,361 vehicles a day, roughly 6% of them trucks, projected to reach 29,375 by 2032. The structure is 54 ft (16.5 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesST 2 EB Ramp
CrossesWater Alewife Brook
Location1.2 KM E Rt 2 & Lake ST
RouteU.S. Route 2
CountyMiddlesex County
StateMassachusetts
Coordinates42.39743, -71.14351
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating77.9 US tons
Inventory rating46.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span48 ft (14.6 m)
Deck width40 ft (12.2 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,361 (2023)
Projected traffic29,375 by 2032
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 2 EB Ramp over Water Alewife Brook built?

It was built in 1986, making it 39 years old in 2025. It was reconstructed in 2021.

What condition is ST 2 EB Ramp over Water Alewife Brook 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 2023.

How much traffic does ST 2 EB Ramp over Water Alewife Brook carry?

About 6,361 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is ST 2 EB Ramp over Water Alewife Brook?

The structure is 54 ft (16.5 m) long with a longest span of 48 ft (14.6 m) and a deck 40 ft wide.

Who owns ST 2 EB Ramp over Water Alewife Brook?

It is owned by the State Highway Agency.