US Bridges

HWY Embkt WB on over HWY Embankment RD EB

PoorPosted for load

Suffolk County, Massachusetts · Charles Circle Storrow D · Structure no. B162584FNDOTNBI

Built
1951
74 years old, rebuilt 1996
Condition
Poor
inspected January 2025
Type
Girder and Floorbeam System
Steel
Length
155 ft
3 main spans
Daily traffic
15,500
2025 count
Owner
State
State Highway Agency

About this bridge

HWY Embkt WB on over HWY Embankment RD EB is a steel girder and floorbeam system carrying HWY Embkt WB on over HWY Embankment RD EB in Suffolk County, Massachusetts. It was built in 1951 and reconstructed in 1996, 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 15,500 vehicles a day, projected to reach 16,583 by 2032. The structure is 155 ft (47.2 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Embkt WB on
CrossesHWY Embankment RD EB
LocationCharles Circle Storrow D
RouteU.S. Route 1
Coordinates42.36244, -71.07108
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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating32.2 US tons
Inventory rating11.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length155 ft (47.2 m)
Longest span79 ft (24.1 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,500 (2025)
Projected traffic16,583 by 2032
Trucks0%
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

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$8.9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Embkt WB on over HWY Embankment RD EB built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1996.

What condition is HWY Embkt WB on over HWY Embankment RD 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 January 2025.

How much traffic does HWY Embkt WB on over HWY Embankment RD EB carry?

About 15,500 vehicles per day (2025 count).

How long is HWY Embkt WB on over HWY Embankment RD EB?

The structure is 155 ft (47.2 m) long with a longest span of 79 ft (24.1 m) and a deck 32 ft wide.

Who owns HWY Embkt WB on over HWY Embankment RD EB?

It is owned by the State Highway Agency.