US Bridges

HWY Vernon ST over I 495

Fair

Plymouth County, Massachusetts · 0.5 M S of Raynham Tl · Structure no. M180424AYDOTNBI

Built
1962
63 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
387 ft
5 main spans
Daily traffic
21,700
2023 count
Owner
State
State Highway Agency

About this bridge

HWY Vernon ST over I 495 is a steel continuous stringer/multi-beam or girder carrying HWY Vernon ST over I 495 in Plymouth 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 21,700 vehicles a day, roughly 13% of them trucks, projected to reach 3,553 by 2032. The structure is 387 ft (118 m) long and 42 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesHWY Vernon ST
CrossesI 495
Location0.5 M S of Raynham Tl
RouteCity Street 0
CountyPlymouth County
StateMassachusetts
Coordinates41.91899, -70.98981
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.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
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 rating52.8 US tons
Inventory rating27.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length387 ft (118 m)
Longest span100 ft (30.5 m)
Deck width42 ft (12.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,700 (2023)
Projected traffic3,553 by 2032
Trucks13%
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$14.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Vernon ST over I 495 built?

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

What condition is HWY Vernon 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 2023.

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

About 21,700 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is HWY Vernon ST over I 495?

The structure is 387 ft (118 m) long with a longest span of 100 ft (30.5 m) and a deck 42 ft wide.

Who owns HWY Vernon ST over I 495?

It is owned by the State Highway Agency.