US Bridges

ST 3 Ramp X @ T over HWY Ramps C & Cc

Fair

Norfolk County, Massachusetts · Off Ramp @ T · Structure no. Q010512GVDOTNBI

Built
1981
44 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
638 ft
8 main spans
Daily traffic
20,800
2023 count
Owner
State
State Highway Agency

About this bridge

ST 3 Ramp X @ T over HWY Ramps C & Cc is a steel continuous stringer/multi-beam or girder carrying ST 3 Ramp X @ T over HWY Ramps C & Cc 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 20,800 vehicles a day, roughly 4% of them trucks, projected to reach 7,896 by 2032. The structure is 638 ft (194.5 m) long and 25 ft wide.

Location

Open in Google Maps
CarriesST 3 Ramp X @ T
CrossesHWY Ramps C & Cc
LocationOff Ramp @ T
RouteState Highway 3
CountyNorfolk County
StateMassachusetts
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry6: Equal to present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating77.3 US tons
Inventory rating46.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length638 ft (194.5 m)
Longest span92 ft (28 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,800 (2023)
Projected traffic7,896 by 2032
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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$14.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 3 Ramp X @ T over HWY Ramps C & Cc built?

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

What condition is ST 3 Ramp X @ T over HWY Ramps C & Cc 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 X @ T over HWY Ramps C & Cc carry?

About 20,800 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is ST 3 Ramp X @ T over HWY Ramps C & Cc?

The structure is 638 ft (194.5 m) long with a longest span of 92 ft (28 m) and a deck 25 ft wide.

Who owns ST 3 Ramp X @ T over HWY Ramps C & Cc?

It is owned by the State Highway Agency.