US Bridges

US 3 NB over HWY Main ST

Fair

Middlesex County, Massachusetts · 2 Mi. NW Drum Hill · Structure no. C080466G6DOTNBI

Built
2004
21 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
107 ft
1 main span
Daily traffic
51,000
2017 count
Owner
State
State Highway Agency

About this bridge

US 3 NB over HWY Main ST is a steel stringer/multi-beam or girder carrying US 3 NB over HWY Main ST in Middlesex County, Massachusetts. It was built in 2004, so it is 21 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 6 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 51,000 vehicles a day, roughly 10% of them trucks, projected to reach 78,965 by 2032. The structure is 107 ft (32.7 m) long and 80 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesUS 3 NB
CrossesHWY Main ST
Location2 Mi. NW Drum Hill
RouteU.S. Route 3
CountyMiddlesex County
StateMassachusetts
Coordinates42.62993, -71.40181
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating84.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length107 ft (32.7 m)
Longest span103 ft (31.5 m)
Deck width80 ft (24.5 m)
Roadway width77 ft (23.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51,000 (2017)
Projected traffic78,965 by 2032
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$788,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 3 NB over HWY Main ST built?

It was built in 2004, making it 21 years old in 2025.

What condition is US 3 NB over HWY Main ST 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 April 2023.

How much traffic does US 3 NB over HWY Main ST carry?

About 51,000 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is US 3 NB over HWY Main ST?

The structure is 107 ft (32.7 m) long with a longest span of 103 ft (31.5 m) and a deck 80 ft wide.

Who owns US 3 NB over HWY Main ST?

It is owned by the State Highway Agency.