US Bridges

HWY West ST over I 495

Fair

Bristol County, Massachusetts · .4 MI NW of I 95 · Structure no. M030283XUDOTNBI

Built
1976
49 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
351 ft
2 main spans
Daily traffic
7,300
2024 count
Owner
State
State Highway Agency

About this bridge

HWY West ST over I 495 is a steel continuous stringer/multi-beam or girder carrying HWY West ST over I 495 in Bristol County, Massachusetts. It was built in 1976, so it is 49 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 7,300 vehicles a day, roughly 5% of them trucks, projected to reach 10,265 by 2033. The structure is 351 ft (107 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesHWY West ST
CrossesI 495
Location.4 MI NW of I 95
RouteCity Street 0
CountyBristol County
StateMassachusetts
Coordinates42.02435, -71.25203
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 inspectionMarch 2024
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 rating94.6 US tons
Inventory rating56.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length351 ft (107 m)
Longest span172 ft (52.4 m)
Deck width45 ft (13.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,300 (2024)
Projected traffic10,265 by 2033
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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$6.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY West ST over I 495 built?

It was built in 1976, making it 49 years old in 2025.

What condition is HWY West 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 March 2024.

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

About 7,300 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is HWY West ST over I 495?

The structure is 351 ft (107 m) long with a longest span of 172 ft (52.4 m) and a deck 45 ft wide.

Who owns HWY West ST over I 495?

It is owned by the State Highway Agency.