US Bridges

I 495 Ramp B over Water Canoe River

Fair

Bristol County, Massachusetts · I-495 SB Ramp to 123 · Structure no. N230373RQDOTNBI

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
2,619
2022 count
Owner
State
State Highway Agency

About this bridge

I 495 Ramp B over Water Canoe River is a prestressed concrete stringer/multi-beam or girder carrying I 495 Ramp B over Water 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 5 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 2,619 vehicles a day, roughly 5% of them trucks, projected to reach 5,685 by 2031. The structure is 48 ft (14.6 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 495 Ramp B
CrossesWater Canoe River
LocationI-495 SB Ramp to 123
RouteInterstate 495
CountyBristol County
StateMassachusetts
Coordinates41.98161, -71.16105
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating79.7 US tons
Inventory rating47.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span44 ft (13.4 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,619 (2022)
Projected traffic5,685 by 2031
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$1.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I 495 Ramp B over Water Canoe River built?

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

What condition is I 495 Ramp B over Water 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 Ramp B over Water Canoe River carry?

About 2,619 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is I 495 Ramp B over Water Canoe River?

The structure is 48 ft (14.6 m) long with a longest span of 44 ft (13.4 m) and a deck 26 ft wide.

Who owns I 495 Ramp B over Water Canoe River?

It is owned by the State Highway Agency.