US Bridges

HWY Plain ST over I 495

Fair

Bristol County, Massachusetts · .5 MI N of S Washington S · Structure no. N230343Y4DOTNBI

Built
1980
45 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
250 ft
2 main spans
Daily traffic
1,810
2025 count
Owner
State
State Highway Agency

About this bridge

HWY Plain ST over I 495 is a steel continuous stringer/multi-beam or girder carrying HWY Plain ST over I 495 in Bristol County, Massachusetts. It was built in 1980, so it is 45 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 1,810 vehicles a day, roughly 7% of them trucks, projected to reach 5,843 by 2032. The structure is 250 ft (76.2 m) long and 45 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesHWY Plain ST
CrossesI 495
Location.5 MI N of S Washington S
RouteCity Street 0
CountyBristol County
StateMassachusetts
Coordinates41.97481, -71.15101
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
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 rating73.2 US tons
Inventory rating43.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length250 ft (76.2 m)
Longest span123 ft (37.5 m)
Deck width45 ft (13.8 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,810 (2025)
Projected traffic5,843 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 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$4 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Plain ST over I 495 built?

It was built in 1980, making it 45 years old in 2025.

What condition is HWY Plain 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 February 2025.

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

About 1,810 vehicles per day (2025 count), of which roughly 7% are trucks.

How long is HWY Plain ST over I 495?

The structure is 250 ft (76.2 m) long with a longest span of 123 ft (37.5 m) and a deck 45 ft wide.

Who owns HWY Plain ST over I 495?

It is owned by the State Highway Agency.