US Bridges

HWY College Ave over RR Mbta/Bmrr

Fair

Middlesex County, Massachusetts · 1.6 KM W JCT I93&SR16 · Structure no. M12012AN4DOT634

Built
1997
28 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
83 ft
1 main span
Daily traffic
14,100
2019 count
Owner
State
State Highway Agency

About this bridge

HWY College Ave over RR Mbta/Bmrr is a prestressed concrete box beam or girders - multiple carrying HWY College Ave over RR Mbta/Bmrr in Middlesex County, Massachusetts. It was built in 1997, so it is 28 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. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 14,100 vehicles a day, roughly 7% of them trucks, projected to reach 16,741 by 2032. The structure is 83 ft (25.4 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHWY College Ave
CrossesRR Mbta/Bmrr
Location1.6 KM W JCT I93&SR16
RouteCity Street 0
CountyMiddlesex County
StateMassachusetts
Coordinates42.40738, -71.11639
Functional classUrban Collector

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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
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 rating49.2 US tons
Inventory rating35.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length83 ft (25.4 m)
Longest span73 ft (22.4 m)
Deck width45 ft (13.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,100 (2019)
Projected traffic16,741 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$3.5 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY College Ave over RR Mbta/Bmrr built?

It was built in 1997, making it 28 years old in 2025.

What condition is HWY College Ave 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 August 2023.

How much traffic does HWY College Ave over RR Mbta/Bmrr carry?

About 14,100 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is HWY College Ave over RR Mbta/Bmrr?

The structure is 83 ft (25.4 m) long with a longest span of 73 ft (22.4 m) and a deck 45 ft wide.

Who owns HWY College Ave over RR Mbta/Bmrr?

It is owned by the State Highway Agency.