US Bridges

HWY Bwkr SB Onrp over HWY Kenmore Off Rmp

PoorPosted for load

Suffolk County, Massachusetts · .2 MI S of ST RTE 2A · Structure no. B163654FFDOTNBI

Built
1965
60 years old
Condition
Poor
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
500 ft
8 main spans
Daily traffic
9,900
2023 count
Owner
State
State Highway Agency

About this bridge

HWY Bwkr SB Onrp over HWY Kenmore Off Rmp is a steel stringer/multi-beam or girder carrying HWY Bwkr SB Onrp over HWY Kenmore Off Rmp in Suffolk County, Massachusetts. It was built in 1965, so it is 60 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. Its operating status is: posted for other load-capacity restriction.

It carries about 9,900 vehicles a day, projected to reach 30,108 by 2032. The structure is 500 ft (152.4 m) long and 27 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesHWY Bwkr SB Onrp
CrossesHWY Kenmore Off Rmp
Location.2 MI S of ST RTE 2A
RouteCity Street 0
Coordinates42.35046, -71.09277
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
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 geometry6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating26.2 US tons
Inventory rating15.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans8
Design loadH 20
Structure length500 ft (152.4 m)
Longest span70 ft (21.3 m)
Deck width27 ft (8.2 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,900 (2023)
Projected traffic30,108 by 2032
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed2.5 mi (4 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$19.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Bwkr SB Onrp over HWY Kenmore Off Rmp built?

It was built in 1965, making it 60 years old in 2025.

What condition is HWY Bwkr SB Onrp over HWY Kenmore Off Rmp 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 July 2023.

How much traffic does HWY Bwkr SB Onrp over HWY Kenmore Off Rmp carry?

About 9,900 vehicles per day (2023 count).

How long is HWY Bwkr SB Onrp over HWY Kenmore Off Rmp?

The structure is 500 ft (152.4 m) long with a longest span of 70 ft (21.3 m) and a deck 27 ft wide.

Who owns HWY Bwkr SB Onrp over HWY Kenmore Off Rmp?

It is owned by the State Highway Agency.