US Bridges

ST119 Main ST over Water Squannacook River

FairPosted for load

Middlesex County, Massachusetts · 0.2 MI Wly Rt 13 · Structure no. T0700426YDOTNBI

Built
1950
75 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
94 ft
1 main span
Daily traffic
11,596
2023 count
Owner
State
State Highway Agency

About this bridge

ST119 Main ST over Water Squannacook River is a steel stringer/multi-beam or girder carrying ST119 Main ST over Water Squannacook River in Middlesex County, Massachusetts. It was built in 1950, so it is 75 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. Its operating status is: posted for load restriction.

It carries about 11,596 vehicles a day, roughly 12% of them trucks, projected to reach 29,059 by 2031. The structure is 94 ft (28.7 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesST119 Main ST
CrossesWater Squannacook River
Location0.2 MI Wly Rt 13
RouteState Highway 119
CountyMiddlesex County
StateMassachusetts
Coordinates42.66803, -71.70849
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
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating30.3 US tons
Inventory rating18.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length94 ft (28.7 m)
Longest span89 ft (27.1 m)
Deck width43 ft (13 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,596 (2023)
Projected traffic29,059 by 2031
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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$3.7 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST119 Main ST over Water Squannacook River built?

It was built in 1950, making it 75 years old in 2025.

What condition is ST119 Main ST over Water Squannacook River 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 2024.

How much traffic does ST119 Main ST over Water Squannacook River carry?

About 11,596 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is ST119 Main ST over Water Squannacook River?

The structure is 94 ft (28.7 m) long with a longest span of 89 ft (27.1 m) and a deck 43 ft wide.

Who owns ST119 Main ST over Water Squannacook River?

It is owned by the State Highway Agency.