US Bridges

ST 3 Ramp Y @ T over Other Relief

Fair

Norfolk County, Massachusetts · At T. Station · Structure no. Q010512GUDOTNBI

Built
1981
44 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
493 ft
6 main spans
Daily traffic
1,200
2023 count
Owner
State
State Highway Agency

About this bridge

ST 3 Ramp Y @ T over Other Relief is a steel continuous stringer/multi-beam or girder carrying ST 3 Ramp Y @ T over Other Relief in Norfolk 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 1,200 vehicles a day, projected to reach 11,213 by 2032. The structure is 493 ft (150.3 m) long and 31 ft wide.

CarriesST 3 Ramp Y @ T
CrossesOther Relief
LocationAt T. Station
RouteState Highway 3
Coordinates42.23222, -71.01028
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
Deck7 GoodSome minor problems.
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 inspectionSeptember 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 alignment9: Superior to present desirable criteria
Operating rating60.5 US tons
Inventory rating36.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length493 ft (150.3 m)
Longest span82 ft (25 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2023)
Projected traffic11,213 by 2032
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway 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$14 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 3 Ramp Y @ T over Other Relief built?

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

What condition is ST 3 Ramp Y @ T over Other Relief 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 2023.

How much traffic does ST 3 Ramp Y @ T over Other Relief carry?

About 1,200 vehicles per day (2023 count).

How long is ST 3 Ramp Y @ T over Other Relief?

The structure is 493 ft (150.3 m) long with a longest span of 82 ft (25 m) and a deck 31 ft wide.

Who owns ST 3 Ramp Y @ T over Other Relief?

It is owned by the State Highway Agency.