US Bridges

HWY Storrw DR WB over HWY Storrow DR EB

PoorPosted for load

Suffolk County, Massachusetts · .1 N of Beacon ST · Structure no. B164574EEMDCNBI

Built
1951
74 years old
Condition
Poor
inspected May 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
57,770
1996 count
Owner
State
Other State Agency

About this bridge

HWY Storrw DR WB over HWY Storrow DR EB is a steel stringer/multi-beam or girder carrying HWY Storrw DR WB over HWY Storrow DR EB in Suffolk County, Massachusetts. It was built in 1951, so it is 74 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 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. Its operating status is: posted for other load-capacity restriction.

It carries about 57,770 vehicles a day, roughly 1% of them trucks, projected to reach 91,236 by 2030. The structure is 35 ft (10.7 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Storrw DR WB
CrossesHWY Storrow DR EB
Location.1 N of Beacon ST
RouteU.S. Route 1
Coordinates42.35554, -71.07524
Functional classUrban Principal Arterial - Other Freeway or Expressway

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2022
Inspection intervalevery 12 months
Operating statusPosted for other load-capacity restriction
ScourBridge not over waterway
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating8.9 US tons
Inventory rating0 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span28 ft (8.5 m)
Deck width38 ft (11.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck11 ft (3.4 m)

Traffic and service

Average daily traffic57,770 (1996)
Projected traffic91,236 by 2030
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerOther State Agency
Maintained byOther State 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$4 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Storrw DR WB over HWY Storrow DR EB built?

It was built in 1951, making it 74 years old in 2025.

What condition is HWY Storrw DR WB over HWY Storrow DR EB 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 May 2022.

How much traffic does HWY Storrw DR WB over HWY Storrow DR EB carry?

About 57,770 vehicles per day (1996 count), of which roughly 1% are trucks.

How long is HWY Storrw DR WB over HWY Storrow DR EB?

The structure is 35 ft (10.7 m) long with a longest span of 28 ft (8.5 m) and a deck 38 ft wide.

Who owns HWY Storrw DR WB over HWY Storrow DR EB?

It is owned by the Other State Agency.