US Bridges

HWY Bridge ST over Water Bass River

PoorClosed to traffic

Essex County, Massachusetts · .1 Mile West of River ST · Structure no. B11001306DOTNBI

Built
1929
96 years old
Condition
Poor
inspected November 2024
Type
Movable - Swing
Steel
Length
269 ft
2 main spans
Daily traffic
21,300
2018 count
Owner
State
State Highway Agency

About this bridge

HWY Bridge ST over Water Bass River is a steel movable - swing carrying HWY Bridge ST over Water Bass River in Essex County, Massachusetts. It was built in 1929, so it is 96 years old, older 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 3 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. Its operating status is: closed to all traffic.

It carries about 21,300 vehicles a day, roughly 3% of them trucks, projected to reach 25,585 by 2031. The structure is 269 ft (82 m) long and 54 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHWY Bridge ST
CrossesWater Bass River
Location.1 Mile West of River ST
RouteState Highway 0
Coordinates42.54966, -70.88774
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 18 months
Operating statusClosed to all traffic
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeMovable - Swing
MaterialSteel
DeckOpen grating
Main spans2 (+7 approach)
Design loadUnknown
Structure length269 ft (82 m)
Longest span153 ft (46.6 m)
Deck width54 ft (16.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,300 (2018)
Projected traffic25,585 by 2031
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$24.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Bridge ST over Water Bass River built?

It was built in 1929, making it 96 years old in 2025.

What condition is HWY Bridge ST over Water Bass River 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 November 2024.

How much traffic does HWY Bridge ST over Water Bass River carry?

About 21,300 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is HWY Bridge ST over Water Bass River?

The structure is 269 ft (82 m) long with a longest span of 153 ft (46.6 m) and a deck 54 ft wide.

Who owns HWY Bridge ST over Water Bass River?

It is owned by the State Highway Agency.