US Bridges

HWY Greenwood RD over I 495 NB

Fair

Essex County, Massachusetts · Greenwood at I-495 · Structure no. A09032300DOTNBI

Built
1962
63 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
154 ft
3 main spans
Daily traffic
1,800
2024 count
Owner
State
State Highway Agency

About this bridge

HWY Greenwood RD over I 495 NB is a steel stringer/multi-beam or girder carrying HWY Greenwood RD over I 495 NB 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 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 1,800 vehicles a day, roughly 7% of them trucks, projected to reach 2,685 by 2033. The structure is 154 ft (46.9 m) long and 40 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesHWY Greenwood RD
CrossesI 495 NB
LocationGreenwood at I-495
RouteState Highway 0
CountyEssex County
StateMassachusetts
Coordinates42.66708, -71.18937
Functional classUrban Collector

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 inspectionFebruary 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.7 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length154 ft (46.9 m)
Longest span83 ft (25.3 m)
Deck width40 ft (12.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2024)
Projected traffic2,685 by 2033
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5 mi (8 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$5.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Greenwood RD over I 495 NB built?

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

What condition is HWY Greenwood RD over I 495 NB 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 February 2024.

How much traffic does HWY Greenwood RD over I 495 NB carry?

About 1,800 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is HWY Greenwood RD over I 495 NB?

The structure is 154 ft (46.9 m) long with a longest span of 83 ft (25.3 m) and a deck 40 ft wide.

Who owns HWY Greenwood RD over I 495 NB?

It is owned by the State Highway Agency.