US Bridges

ST 62 Middlesex Av over I 93

Fair

Middlesex County, Massachusetts · Rt 62 at Rt 93 · Structure no. W380332KQDOTNBI

Built
1958
67 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
250 ft
2 main spans
Daily traffic
32,400
2024 count
Owner
State
State Highway Agency

About this bridge

ST 62 Middlesex Av over I 93 is a steel continuous stringer/multi-beam or girder carrying ST 62 Middlesex Av 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 32,400 vehicles a day, roughly 10% of them trucks, projected to reach 45,800 by 2031. The structure is 250 ft (76.2 m) long and 54 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesST 62 Middlesex Av
CrossesI 93
LocationRt 62 at Rt 93
RouteState Highway 62
CountyMiddlesex County
StateMassachusetts
Coordinates42.57715, -71.15216
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadH 20
Structure length250 ft (76.2 m)
Longest span93 ft (28.3 m)
Deck width54 ft (16.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,400 (2024)
Projected traffic45,800 by 2031
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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$12.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 62 Middlesex Av over I 93 built?

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

What condition is ST 62 Middlesex Av 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 August 2024.

How much traffic does ST 62 Middlesex Av over I 93 carry?

About 32,400 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is ST 62 Middlesex Av over I 93?

The structure is 250 ft (76.2 m) long with a longest span of 93 ft (28.3 m) and a deck 54 ft wide.

Who owns ST 62 Middlesex Av over I 93?

It is owned by the State Highway Agency.