US Bridges

I 93 Ramp As over Other Relief

Fair

Suffolk County, Massachusetts · Unit 1 · Structure no. B166659AYDOTNBI

Built
2003
22 years old
Condition
Fair
inspected August 2024
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
269 ft
2 main spans
Daily traffic
25,600
2024 count
Owner
State
State Highway Agency

About this bridge

I 93 Ramp As over Other Relief is a prestressed concrete continuous segmental box girder carrying I 93 Ramp As over Other Relief in Suffolk County, Massachusetts. It was built in 2003, so it is 22 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 6 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 25,600 vehicles a day, roughly 4% of them trucks, projected to reach 25,935 by 2031. The structure is 269 ft (81.9 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 93 Ramp As
CrossesOther Relief
LocationUnit 1
RouteInterstate 93
Coordinates42.34371, -71.06207
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating79.4 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckOther
Main spans2
Design loadHS 25 or greater
Structure length269 ft (81.9 m)
Longest span134 ft (40.7 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,600 (2024)
Projected traffic25,935 by 2031
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed1.2 mi (2 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 93 Ramp As over Other Relief built?

It was built in 2003, making it 22 years old in 2025.

What condition is I 93 Ramp As 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 August 2024.

How much traffic does I 93 Ramp As over Other Relief carry?

About 25,600 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is I 93 Ramp As over Other Relief?

The structure is 269 ft (81.9 m) long with a longest span of 134 ft (40.7 m) and a deck 25 ft wide.

Who owns I 93 Ramp As over Other Relief?

It is owned by the State Highway Agency.