US Bridges

HWY Watertown ST over ST 2

Poor

Middlesex County, Massachusetts · 0.75 MI E Pleasant ST · Structure no. L100202KADOTNBI

Built
1967
58 years old
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
212 ft
2 main spans
Daily traffic
11,600
2020 count
Owner
State
State Highway Agency

About this bridge

HWY Watertown ST over ST 2 is a steel stringer/multi-beam or girder carrying HWY Watertown ST over ST 2 in Middlesex County, Massachusetts. It was built in 1967, so it is 58 years old, younger than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 11,600 vehicles a day, roughly 5% of them trucks, projected to reach 26,690 by 2033. The structure is 212 ft (64.6 m) long and 53 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesHWY Watertown ST
CrossesST 2
Location0.75 MI E Pleasant ST
RouteCity Street 0
Coordinates42.41751, -71.20485
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.1 US tons
Inventory rating52.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length212 ft (64.6 m)
Longest span108 ft (32.9 m)
Deck width53 ft (16.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,600 (2020)
Projected traffic26,690 by 2033
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 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$10.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Watertown ST over ST 2 built?

It was built in 1967, making it 58 years old in 2025.

What condition is HWY Watertown ST over ST 2 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does HWY Watertown ST over ST 2 carry?

About 11,600 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is HWY Watertown ST over ST 2?

The structure is 212 ft (64.6 m) long with a longest span of 108 ft (32.9 m) and a deck 53 ft wide.

Who owns HWY Watertown ST over ST 2?

It is owned by the State Highway Agency.