US Bridges

ST 62 Main ST over Water Assabet River

Fair

Middlesex County, Massachusetts · 4.8 KM SW Rt 2 · Structure no. C190082KNDOTNBI

Built
1958
67 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
80 ft
1 main span
Daily traffic
11,300
2024 count
Owner
State
State Highway Agency

About this bridge

ST 62 Main ST over Water Assabet River is a steel stringer/multi-beam or girder carrying ST 62 Main ST over Water Assabet River in Middlesex County, Massachusetts. It was built in 1958, so it is 67 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 11,300 vehicles a day, roughly 8% of them trucks, projected to reach 33,797 by 2031. The structure is 80 ft (24.4 m) long and 49 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesST 62 Main ST
CrossesWater Assabet River
Location4.8 KM SW Rt 2
RouteState Highway 62
CountyMiddlesex County
StateMassachusetts
Coordinates42.44206, -71.42636
Functional classUrban Other Principal 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.8 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length80 ft (24.4 m)
Longest span76 ft (23.1 m)
Deck width49 ft (15 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,300 (2024)
Projected traffic33,797 by 2031
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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 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 ST 62 Main ST over Water Assabet River built?

It was built in 1958, making it 67 years old in 2025.

What condition is ST 62 Main ST over Water Assabet 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 June 2024.

How much traffic does ST 62 Main ST over Water Assabet River carry?

About 11,300 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is ST 62 Main ST over Water Assabet River?

The structure is 80 ft (24.4 m) long with a longest span of 76 ft (23.1 m) and a deck 49 ft wide.

Who owns ST 62 Main ST over Water Assabet River?

It is owned by the State Highway Agency.