US Bridges

I 93 ST38 SB Rmp over HWY Connector Ramp D&k

Fair

Middlesex County, Massachusetts · .16 KM S of JCT SR28&ST38 · Structure no. S170373A4DOTNBI

Built
1973
52 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
185 ft
2 main spans
Daily traffic
21,400
2021 count
Owner
State
State Highway Agency

About this bridge

I 93 ST38 SB Rmp over HWY Connector Ramp D&k is a steel stringer/multi-beam or girder carrying I 93 ST38 SB Rmp over HWY Connector Ramp D&k in Middlesex County, Massachusetts. It was built in 1973, so it is 52 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 21,400 vehicles a day, roughly 10% of them trucks, projected to reach 32,534 by 2032. The structure is 185 ft (56.4 m) long and 35 ft wide.

CarriesI 93 ST38 SB Rmp
CrossesHWY Connector Ramp D&k
Location.16 KM S of JCT SR28&ST38
RouteState Highway 38
Coordinates42.38665, -71.07846
Functional classUrban Minor 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length185 ft (56.4 m)
Longest span90 ft (27.4 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,400 (2021)
Projected traffic32,534 by 2032
Trucks10%
Lanes on structure2
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$5.9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 93 ST38 SB Rmp over HWY Connector Ramp D&k built?

It was built in 1973, making it 52 years old in 2025.

What condition is I 93 ST38 SB Rmp over HWY Connector Ramp D&k 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 March 2023.

How much traffic does I 93 ST38 SB Rmp over HWY Connector Ramp D&k carry?

About 21,400 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is I 93 ST38 SB Rmp over HWY Connector Ramp D&k?

The structure is 185 ft (56.4 m) long with a longest span of 90 ft (27.4 m) and a deck 35 ft wide.

Who owns I 93 ST38 SB Rmp over HWY Connector Ramp D&k?

It is owned by the State Highway Agency.