US Bridges

ST 62 Main ST over Water Assabet River

Good

Middlesex County, Massachusetts · .9 MI East of Rt 85 · Structure no. H25007AWVDOTNBI

Built
2009
16 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
111 ft
2 main spans
Daily traffic
7,969
2022 count
Owner
State
State Highway Agency

About this bridge

ST 62 Main ST over Water Assabet River is a steel continuous stringer/multi-beam or girder carrying ST 62 Main ST over Water Assabet River in Middlesex County, Massachusetts. It was built in 2009, so it is 16 years old, younger than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,969 vehicles a day, roughly 5% of them trucks, projected to reach 25,269 by 2033. The structure is 111 ft (33.8 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesST 62 Main ST
CrossesWater Assabet River
Location.9 MI East of Rt 85
RouteState Highway 62
Coordinates42.39464, -71.54733
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.9 US tons
Inventory rating55.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length111 ft (33.8 m)
Longest span53 ft (16.1 m)
Deck width56 ft (17 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,969 (2022)
Projected traffic25,269 by 2033
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$2 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 2009, making it 16 years old in 2025.

What condition is ST 62 Main ST over Water Assabet River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

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

About 7,969 vehicles per day (2022 count), of which roughly 5% are trucks.

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

The structure is 111 ft (33.8 m) long with a longest span of 53 ft (16.1 m) and a deck 56 ft wide.

Who owns ST 62 Main ST over Water Assabet River?

It is owned by the State Highway Agency.