US Bridges

I 90 over HWY Service RD

Fair

Suffolk County, Massachusetts · At Railroad Yards S110 · Structure no. B163534RGDOTNBI

Built
1965
60 years old
Condition
Fair
inspected July 2024
Type
Frame
Concrete
Length
28 ft
1 main span
Daily traffic
124,855
2023 count
Owner
State
State Highway Agency

About this bridge

I 90 over HWY Service RD is a concrete frame carrying I 90 over HWY Service RD 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 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.

It carries about 124,855 vehicles a day, roughly 4% of them trucks, projected to reach 191,959 by 2031. The structure is 28 ft (8.5 m) long and 115 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesI 90
CrossesHWY Service RD
LocationAt Railroad Yards S110
RouteInterstate 90
Coordinates42.35672, -71.12773
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
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 alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width115 ft (35.1 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic124,855 (2023)
Projected traffic191,959 by 2031
Trucks4%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 over HWY Service RD built?

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

What condition is I 90 over HWY Service RD 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 July 2024.

How much traffic does I 90 over HWY Service RD carry?

About 124,855 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is I 90 over HWY Service RD?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 115 ft wide.

Who owns I 90 over HWY Service RD?

It is owned by the State Highway Agency.