US Bridges

HWY Ring RD over I 90 & Mbta/Csx

Fair

Suffolk County, Massachusetts · .06 MI N of JCT ST9 · Structure no. B16294B81DOTNBI

Built
1981
44 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
293 ft
3 main spans
Daily traffic
9,600
2023 count
Owner
Private
Private (other than railroad)

About this bridge

HWY Ring RD over I 90 & Mbta/Csx is a steel stringer/multi-beam or girder carrying HWY Ring RD over I 90 & Mbta/Csx in Suffolk County, Massachusetts. It was built in 1981, so it is 44 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 9,600 vehicles a day, roughly 7% of them trucks. The structure is 293 ft (89.3 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHWY Ring RD
CrossesI 90 & Mbta/Csx
Location.06 MI N of JCT ST9
RouteCity Street 0
CountySuffolk County
StateMassachusetts
Coordinates42.34746, -71.0799
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.5 US tons
Inventory rating28.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length293 ft (89.3 m)
Longest span157 ft (47.8 m)
Deck width26 ft (8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,600 (2023)
Projected traffic—
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerPrivate (other than railroad)
Maintained byPrivate (other than railroad)
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Ring RD over I 90 & Mbta/Csx built?

It was built in 1981, making it 44 years old in 2025.

What condition is HWY Ring RD over I 90 & Mbta/Csx 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 May 2023.

How much traffic does HWY Ring RD over I 90 & Mbta/Csx carry?

About 9,600 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is HWY Ring RD over I 90 & Mbta/Csx?

The structure is 293 ft (89.3 m) long with a longest span of 157 ft (47.8 m) and a deck 26 ft wide.

Who owns HWY Ring RD over I 90 & Mbta/Csx?

It is owned by the Private (other than railroad).