US Bridges

HWY Washngton ST over I 495

Fair

Norfolk County, Massachusetts · @mm 41.5 / N of Exit 41 · Structure no. F080222AQDOTNBI

Built
1966
59 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
242 ft
3 main spans
Daily traffic
2,200
2023 count
Owner
State
State Highway Agency

About this bridge

HWY Washngton ST over I 495 is a steel stringer/multi-beam or girder carrying HWY Washngton ST over I 495 in Norfolk County, Massachusetts. It was built in 1966, so it is 59 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 2,200 vehicles a day, roughly 3% of them trucks, projected to reach 2,053 by 2032. The structure is 242 ft (73.8 m) long and 55 ft wide.

Location

Open in Google Maps
CarriesHWY Washngton ST
CrossesI 495
Location@mm 41.5 / N of Exit 41
RouteCity Street 0
CountyNorfolk County
StateMassachusetts
Coordinates42.07052, -71.40938
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.3 US tons
Inventory rating33.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length242 ft (73.8 m)
Longest span88 ft (26.8 m)
Deck width55 ft (16.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2023)
Projected traffic2,053 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Washngton ST over I 495 built?

It was built in 1966, making it 59 years old in 2025.

What condition is HWY Washngton 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 June 2023.

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

About 2,200 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is HWY Washngton ST over I 495?

The structure is 242 ft (73.8 m) long with a longest span of 88 ft (26.8 m) and a deck 55 ft wide.

Who owns HWY Washngton ST over I 495?

It is owned by the State Highway Agency.