US Bridges

HWY Corbett ST over I 495

Fair

Essex County, Massachusetts · 2 MI N I93 · Structure no. A09035305DOTNBI

Built
1962
63 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
177 ft
2 main spans
Daily traffic
2,800
2024 count
Owner
State
State Highway Agency

About this bridge

HWY Corbett ST over I 495 is a steel continuous stringer/multi-beam or girder carrying HWY Corbett ST over I 495 in Essex County, Massachusetts. It was built in 1962, so it is 63 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 2,800 vehicles a day, roughly 6% of them trucks, projected to reach 2,448 by 2031. The structure is 177 ft (53.9 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Corbett ST
CrossesI 495
Location2 MI N I93
RouteState Highway 0
Coordinates42.67716, -71.16056
Functional classUrban Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.7 US tons
Inventory rating34.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length177 ft (53.9 m)
Longest span87 ft (26.5 m)
Deck width41 ft (12.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2024)
Projected traffic2,448 by 2031
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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$6.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Corbett ST over I 495 built?

It was built in 1962, making it 63 years old in 2025.

What condition is HWY Corbett ST over I 495 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 November 2024.

How much traffic does HWY Corbett ST over I 495 carry?

About 2,800 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is HWY Corbett ST over I 495?

The structure is 177 ft (53.9 m) long with a longest span of 87 ft (26.5 m) and a deck 41 ft wide.

Who owns HWY Corbett ST over I 495?

It is owned by the State Highway Agency.