US Bridges

HWY Berkeley ST over Comb Amtrak/Mbta & Orng

FairClosed to traffic

Suffolk County, Massachusetts · 1.7KM W. of S. · Structure no. B160834V6MBTNBI

Built
1982
43 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
258 ft
3 main spans
Daily traffic
19,900
1999 count
Owner
State
Other State Agency

About this bridge

HWY Berkeley ST over Comb Amtrak/Mbta & Orng is a steel continuous stringer/multi-beam or girder carrying HWY Berkeley ST over Comb Amtrak/Mbta & Orng in Suffolk County, Massachusetts. It was built in 1982, so it is 43 years old, younger than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: closed to all traffic.

It carries about 19,900 vehicles a day, roughly 8% of them trucks, projected to reach 31,428 by 2032. The structure is 258 ft (78.6 m) long and 82 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Berkeley ST
CrossesComb Amtrak/Mbta & Orng
Location1.7KM W. of S.
RouteCity Street 0
Coordinates42.34772, -71.07131
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating82.9 US tons
Inventory rating49.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length258 ft (78.6 m)
Longest span69 ft (21 m)
Deck width82 ft (25.1 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,900 (1999)
Projected traffic31,428 by 2032
Trucks8%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$19.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Berkeley ST over Comb Amtrak/Mbta & Orng built?

It was built in 1982, making it 43 years old in 2025.

What condition is HWY Berkeley ST over Comb Amtrak/Mbta & Orng in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does HWY Berkeley ST over Comb Amtrak/Mbta & Orng carry?

About 19,900 vehicles per day (1999 count), of which roughly 8% are trucks.

How long is HWY Berkeley ST over Comb Amtrak/Mbta & Orng?

The structure is 258 ft (78.6 m) long with a longest span of 69 ft (21 m) and a deck 82 ft wide.

Who owns HWY Berkeley ST over Comb Amtrak/Mbta & Orng?

It is owned by the Other State Agency and maintained by the State Highway Agency.