US Bridges

HWY Williams ST over Comb Amtrak/Mbta & Orng

Fair

Suffolk County, Massachusetts · Btwn Armory & Everett ST · Structure no. B160994VGMBTNBI

Built
1982
43 years old
Condition
Fair
inspected September 2022
Type
Frame
Concrete Continuous
Length
98 ft
2 main spans
Daily traffic
700
2022 count
Owner
State
Other State Agency

About this bridge

HWY Williams ST over Comb Amtrak/Mbta & Orng is a concrete continuous frame carrying HWY Williams 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 700 vehicles a day, roughly 8% of them trucks, projected to reach 1,106 by 2031. The structure is 98 ft (29.9 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHWY Williams ST
CrossesComb Amtrak/Mbta & Orng
LocationBtwn Armory & Everett ST
RouteCity Street 0
CountySuffolk County
StateMassachusetts
Coordinates42.30757, -71.10937
Functional classUrban Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length98 ft (29.9 m)
Longest span59 ft (18 m)
Deck width42 ft (12.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2022)
Projected traffic1,106 by 2031
Trucks8%
Lanes on structure2
Traffic directionTwo-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 byOther State Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

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

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

What condition is HWY Williams 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 September 2022.

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

About 700 vehicles per day (2022 count), of which roughly 8% are trucks.

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

The structure is 98 ft (29.9 m) long with a longest span of 59 ft (18 m) and a deck 42 ft wide.

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

It is owned by the Other State Agency.