US Bridges

I 93 NB over HWY Vale ST

Fair

Middlesex County, Massachusetts · 0.1 MI Sly Andover T.L. · Structure no. T030102HPDOTNBI

Built
1958
67 years old, rebuilt 1975
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
145,580
2023 count
Owner
State
State Highway Agency

About this bridge

I 93 NB over HWY Vale ST is a prestressed concrete stringer/multi-beam or girder carrying I 93 NB over HWY Vale ST in Middlesex County, Massachusetts. It was built in 1958 and reconstructed in 1975, 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 145,580 vehicles a day, roughly 10% of them trucks, projected to reach 211,152 by 2031. The structure is 45 ft (13.7 m) long and 55 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesI 93 NB
CrossesHWY Vale ST
Location0.1 MI Sly Andover T.L.
RouteInterstate 93
CountyMiddlesex County
StateMassachusetts
Coordinates42.61701, -71.1754
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.9 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span41 ft (12.5 m)
Deck width55 ft (16.8 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic145,580 (2023)
Projected traffic211,152 by 2031
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 93 NB over HWY Vale ST built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1975.

What condition is I 93 NB over HWY Vale 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 June 2024.

How much traffic does I 93 NB over HWY Vale ST carry?

About 145,580 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is I 93 NB over HWY Vale ST?

The structure is 45 ft (13.7 m) long with a longest span of 41 ft (12.5 m) and a deck 55 ft wide.

Who owns I 93 NB over HWY Vale ST?

It is owned by the State Highway Agency.