US Bridges

HWY Greenwood RD over I 495 SB

Fair

Essex County, Massachusetts · Greenwood at I-495 · Structure no. A09032301DOTNBI

Built
1962
63 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
149 ft
3 main spans
Daily traffic
1,700
2020 count
Owner
State
State Highway Agency

About this bridge

HWY Greenwood RD over I 495 SB is a steel stringer/multi-beam or girder carrying HWY Greenwood RD over I 495 SB 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 1,700 vehicles a day, roughly 4% of them trucks, projected to reach 2,685 by 2033. The structure is 149 ft (45.4 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 SB
LocationGreenwood at I-495
RouteState Highway 0
CountyEssex County
StateMassachusetts
Coordinates42.66788, -71.18965
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.9 US tons
Inventory rating35.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length149 ft (45.4 m)
Longest span81 ft (24.7 m)
Deck width40 ft (12.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2020)
Projected traffic2,685 by 2033
Trucks4%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$3.9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Greenwood RD over I 495 SB built?

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

What condition is HWY Greenwood RD over I 495 SB 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 SB carry?

About 1,700 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is HWY Greenwood RD over I 495 SB?

The structure is 149 ft (45.4 m) long with a longest span of 81 ft (24.7 m) and a deck 40 ft wide.

Who owns HWY Greenwood RD over I 495 SB?

It is owned by the State Highway Agency.