US Bridges

HWY N Wshngtn ST over I 495

Fair

Bristol County, Massachusetts · .5 MI SE of Mansfld T.L. · Structure no. N230263Y2DOTNBI

Built
1978
47 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
375 ft
2 main spans
Daily traffic
2,069
2024 count
Owner
State
State Highway Agency

About this bridge

HWY N Wshngtn ST over I 495 is a steel continuous stringer/multi-beam or girder carrying HWY N Wshngtn ST over I 495 in Bristol County, Massachusetts. It was built in 1978, so it is 47 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 2,069 vehicles a day, roughly 6% of them trucks, projected to reach 4,106 by 2031. The structure is 375 ft (114.3 m) long and 49 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesHWY N Wshngtn ST
CrossesI 495
Location.5 MI SE of Mansfld T.L.
RouteCity Street 0
CountyBristol County
StateMassachusetts
Coordinates41.99417, -71.1838
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
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 alignment9: Superior to present desirable criteria
Operating rating48 US tons
Inventory rating28.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length375 ft (114.3 m)
Longest span187 ft (57 m)
Deck width49 ft (15 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,069 (2024)
Projected traffic4,106 by 2031
Trucks6%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$16.8 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY N Wshngtn ST over I 495 built?

It was built in 1978, making it 47 years old in 2025.

What condition is HWY N Wshngtn 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 December 2024.

How much traffic does HWY N Wshngtn ST over I 495 carry?

About 2,069 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is HWY N Wshngtn ST over I 495?

The structure is 375 ft (114.3 m) long with a longest span of 187 ft (57 m) and a deck 49 ft wide.

Who owns HWY N Wshngtn ST over I 495?

It is owned by the State Highway Agency.