US Bridges

HWY Treble Cove over US 3

Fair

Middlesex County, Massachusetts · 1.2 Mi. N. of Concord Rd. · Structure no. B120248G0DOTNBI

Built
2004
21 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
356 ft
2 main spans
Daily traffic
12,400
2017 count
Owner
State
State Highway Agency

About this bridge

HWY Treble Cove over US 3 is a steel continuous stringer/multi-beam or girder carrying HWY Treble Cove over US 3 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 12,400 vehicles a day, roughly 7% of them trucks, projected to reach 18,162 by 2032. The structure is 356 ft (108.4 m) long and 74 ft wide.

Location

Open in Google Maps
CarriesHWY Treble Cove
CrossesUS 3
Location1.2 Mi. N. of Concord Rd.
RouteState Highway 0
CountyMiddlesex County
StateMassachusetts
Coordinates42.56006, -71.29704
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating66.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length356 ft (108.4 m)
Longest span183 ft (55.7 m)
Deck width74 ft (22.5 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,400 (2017)
Projected traffic18,162 by 2032
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$5.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Treble Cove over US 3 built?

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

What condition is HWY Treble Cove over US 3 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 May 2023.

How much traffic does HWY Treble Cove over US 3 carry?

About 12,400 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is HWY Treble Cove over US 3?

The structure is 356 ft (108.4 m) long with a longest span of 183 ft (55.7 m) and a deck 74 ft wide.

Who owns HWY Treble Cove over US 3?

It is owned by the State Highway Agency.