US Bridges

I 93 Ramp Xx over HWY W Fourth ST

Fair

Suffolk County, Massachusetts · 0.1 K E. of 193 NB · Structure no. B1665982NDOTNBI

Built
2002
23 years old
Condition
Fair
inspected January 2022
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
620 ft
5 main spans
Daily traffic
6,041
2019 count
Owner
State
State Highway Agency

About this bridge

I 93 Ramp Xx over HWY W Fourth ST is a prestressed concrete continuous segmental box girder carrying I 93 Ramp Xx over HWY W Fourth ST in Suffolk County, Massachusetts. It was built in 2002, so it is 23 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 6,041 vehicles a day, roughly 6% of them trucks, projected to reach 3,001 by 2031. The structure is 620 ft (189.1 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI 93 Ramp Xx
CrossesHWY W Fourth ST
Location0.1 K E. of 193 NB
CountySuffolk County
StateMassachusetts
Coordinates42.34286, -71.06193
Functional classUrban Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2022
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating45.2 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckOther
Main spans5
Design loadHS 20
Structure length620 ft (189.1 m)
Longest span154 ft (47 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic6,041 (2019)
Projected traffic3,001 by 2031
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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$13.9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 93 Ramp Xx over HWY W Fourth ST built?

It was built in 2002, making it 23 years old in 2025.

What condition is I 93 Ramp Xx over HWY W Fourth ST 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 January 2022.

How much traffic does I 93 Ramp Xx over HWY W Fourth ST carry?

About 6,041 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is I 93 Ramp Xx over HWY W Fourth ST?

The structure is 620 ft (189.1 m) long with a longest span of 154 ft (47 m) and a deck 25 ft wide.

Who owns I 93 Ramp Xx over HWY W Fourth ST?

It is owned by the State Highway Agency.