US Bridges

I 495 NB over Water Lower Canoe River

Fair

Bristol County, Massachusetts · Just So of 123 Overpass · Structure no. N230363RPDOTNBI

Built
1978
47 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
42,031
2023 count
Owner
State
State Highway Agency

About this bridge

I 495 NB over Water Lower Canoe River is a prestressed concrete stringer/multi-beam or girder carrying I 495 NB over Water Lower Canoe River 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 42,031 vehicles a day, roughly 7% of them trucks, projected to reach 57,644 by 2031. The structure is 48 ft (14.6 m) long and 57 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesI 495 NB
CrossesWater Lower Canoe River
LocationJust So of 123 Overpass
RouteInterstate 495
CountyBristol County
StateMassachusetts
Coordinates41.98205, -71.15884
Functional classUrban Principal Arterial - Interstate

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating66.7 US tons
Inventory rating39.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length48 ft (14.6 m)
Longest span44 ft (13.4 m)
Deck width57 ft (17.4 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,031 (2023)
Projected traffic57,644 by 2031
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$668,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I 495 NB over Water Lower Canoe River built?

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

What condition is I 495 NB over Water Lower Canoe River 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 April 2024.

How much traffic does I 495 NB over Water Lower Canoe River carry?

About 42,031 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is I 495 NB over Water Lower Canoe River?

The structure is 48 ft (14.6 m) long with a longest span of 44 ft (13.4 m) and a deck 57 ft wide.

Who owns I 495 NB over Water Lower Canoe River?

It is owned by the State Highway Agency.