US Bridges

HWY NB Lowll Con over RR CSX (abandoned)

Fair

Middlesex County, Massachusetts · 1000 N of Industrial Ave · Structure no. L150802H7DOTNBI

Built
1960
65 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
69 ft
1 main span
Daily traffic
20,716
2018 count
Owner
State
State Highway Agency

About this bridge

HWY NB Lowll Con over RR CSX (abandoned) is a steel stringer/multi-beam or girder carrying HWY NB Lowll Con over RR CSX (abandoned) in Middlesex County, Massachusetts. It was built in 1960, so it is 65 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 20,716 vehicles a day, roughly 7% of them trucks, projected to reach 67,594 by 2032. The structure is 69 ft (21 m) long and 60 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesHWY NB Lowll Con
CrossesRR CSX (abandoned)
Location1000 N of Industrial Ave
CountyMiddlesex County
StateMassachusetts
Coordinates42.61766, -71.32013
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.8 US tons
Inventory rating32.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length69 ft (21 m)
Longest span63 ft (19.2 m)
Deck width60 ft (18.3 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,716 (2018)
Projected traffic67,594 by 2032
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 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$3.9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY NB Lowll Con over RR CSX (abandoned) built?

It was built in 1960, making it 65 years old in 2025.

What condition is HWY NB Lowll Con over RR CSX (abandoned) 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 October 2023.

How much traffic does HWY NB Lowll Con over RR CSX (abandoned) carry?

About 20,716 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is HWY NB Lowll Con over RR CSX (abandoned)?

The structure is 69 ft (21 m) long with a longest span of 63 ft (19.2 m) and a deck 60 ft wide.

Who owns HWY NB Lowll Con over RR CSX (abandoned)?

It is owned by the State Highway Agency.