US Bridges

ST 62 Main ST over Water Assabet River

Fair

Middlesex County, Massachusetts · 0.32 KM SW Rt 2 · Structure no. C190102KKDOTNBI

Built
1886
139 years old, rebuilt 1902
Condition
Fair
inspected January 2024
Type
Arch - Deck
Masonry
Length
57 ft
1 main span
Daily traffic
14,400
2018 count
Owner
State
State Highway Agency

About this bridge

ST 62 Main ST over Water Assabet River is a masonry arch - deck carrying ST 62 Main ST over Water Assabet River in Middlesex County, Massachusetts. It was built in 1886 and reconstructed in 1902, so it is 139 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 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 14,400 vehicles a day, roughly 9% of them trucks, projected to reach 40,588 by 2033. The structure is 57 ft (17.4 m) long and 36 ft wide.

Location

Open in Google Maps
CarriesST 62 Main ST
CrossesWater Assabet River
Location0.32 KM SW Rt 2
RouteState Highway 62
CountyMiddlesex County
StateMassachusetts
Coordinates42.45636, -71.3899
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.8 US tons
Inventory rating44.6 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadH 20
Structure length57 ft (17.4 m)
Longest span56 ft (17.1 m)
Deck width36 ft (10.9 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,400 (2018)
Projected traffic40,588 by 2033
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2.4 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 1886, making it 139 years old in 2025. It was reconstructed in 1902.

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 January 2024.

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

About 14,400 vehicles per day (2018 count), of which roughly 9% are trucks.

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

The structure is 57 ft (17.4 m) long with a longest span of 56 ft (17.1 m) and a deck 36 ft wide.

Who owns ST 62 Main ST over Water Assabet River?

It is owned by the State Highway Agency.