US Bridges

HWY Storrw DR EB over HWY Bowkr on & Off Rps

PoorPosted for load

Suffolk County, Massachusetts · At Charlesgate · Structure no. B163654FKDOTNBI

Built
1954
71 years old, rebuilt 1989
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
660 ft
9 main spans
Daily traffic
32,000
2023 count
Owner
State
State Highway Agency

About this bridge

HWY Storrw DR EB over HWY Bowkr on & Off Rps is a steel stringer/multi-beam or girder carrying HWY Storrw DR EB over HWY Bowkr on & Off Rps in Suffolk County, Massachusetts. It was built in 1954 and reconstructed in 1989, so it is 71 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 load restriction.

It carries about 32,000 vehicles a day, projected to reach 38,535 by 2032. The structure is 660 ft (201.2 m) long and 30 ft wide.

CarriesHWY Storrw DR EB
CrossesHWY Bowkr on & Off Rps
LocationAt Charlesgate
RouteCity Street 0
Coordinates42.35108, -71.09271
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.
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 inspectionAugust 2023
Inspection intervalevery 12 months
Operating statusPosted for load 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 rating24.6 US tons
Inventory rating14.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans9
Design loadH 20
Structure length660 ft (201.2 m)
Longest span85 ft (25.9 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,000 (2023)
Projected traffic38,535 by 2032
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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$39.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Storrw DR EB over HWY Bowkr on & Off Rps built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1989.

What condition is HWY Storrw DR EB over HWY Bowkr on & Off Rps 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 August 2023.

How much traffic does HWY Storrw DR EB over HWY Bowkr on & Off Rps carry?

About 32,000 vehicles per day (2023 count).

How long is HWY Storrw DR EB over HWY Bowkr on & Off Rps?

The structure is 660 ft (201.2 m) long with a longest span of 85 ft (25.9 m) and a deck 30 ft wide.

Who owns HWY Storrw DR EB over HWY Bowkr on & Off Rps?

It is owned by the State Highway Agency.