US Bridges

I 93 Ramp Ts over US 1 Ramp Lc

Fair

Middlesex County, Massachusetts · North of Charles River · Structure no. C010498YHDOTNBI

Built
2002
23 years old
Condition
Fair
inspected April 2022
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
780 ft
6 main spans
Daily traffic
15,468
2018 count
Owner
State
State Highway Agency

About this bridge

I 93 Ramp Ts over US 1 Ramp Lc is a prestressed concrete continuous segmental box girder carrying I 93 Ramp Ts over US 1 Ramp Lc in Middlesex 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 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 15,468 vehicles a day, roughly 8% of them trucks. The structure is 780 ft (237.7 m) long and 26 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesI 93 Ramp Ts
CrossesUS 1 Ramp Lc
LocationNorth of Charles River
RouteInterstate 93
CountyMiddlesex County
StateMassachusetts
Coordinates42.37116, -71.06691
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2022
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 rating97.6 US tons
Inventory rating54.7 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckOther
Main spans6
Design loadHS 25 or greater
Structure length780 ft (237.7 m)
Longest span143 ft (43.7 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,468 (2018)
Projected traffic—
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$6.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 93 Ramp Ts over US 1 Ramp Lc built?

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

What condition is I 93 Ramp Ts over US 1 Ramp Lc 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 April 2022.

How much traffic does I 93 Ramp Ts over US 1 Ramp Lc carry?

About 15,468 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is I 93 Ramp Ts over US 1 Ramp Lc?

The structure is 780 ft (237.7 m) long with a longest span of 143 ft (43.7 m) and a deck 26 ft wide.

Who owns I 93 Ramp Ts over US 1 Ramp Lc?

It is owned by the State Highway Agency.