US Bridges

HWY Marble ST over I 93

Fair

Middlesex County, Massachusetts · 0.88 KM Sly Montvale Ave · Structure no. S270082M5DOTNBI

Built
1958
67 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
184 ft
2 main spans
Daily traffic
25,335
2019 count
Owner
State
State Highway Agency

About this bridge

HWY Marble ST over I 93 is a steel stringer/multi-beam or girder carrying HWY Marble ST over I 93 in Middlesex County, Massachusetts. It was built in 1958, so it is 67 years old, older 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 25,335 vehicles a day, roughly 5% of them trucks, projected to reach 36,166 by 2032. The structure is 184 ft (56.1 m) long and 55 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHWY Marble ST
CrossesI 93
Location0.88 KM Sly Montvale Ave
RouteCity Street 0
Coordinates42.47335, -71.11019
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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.2 US tons
Inventory rating36.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length184 ft (56.1 m)
Longest span88 ft (26.8 m)
Deck width55 ft (16.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,335 (2019)
Projected traffic36,166 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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$9.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Marble ST over I 93 built?

It was built in 1958, making it 67 years old in 2025.

What condition is HWY Marble ST over I 93 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 HWY Marble ST over I 93 carry?

About 25,335 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is HWY Marble ST over I 93?

The structure is 184 ft (56.1 m) long with a longest span of 88 ft (26.8 m) and a deck 55 ft wide.

Who owns HWY Marble ST over I 93?

It is owned by the State Highway Agency.