US Bridges

I 495 NB over Water Taunton River

Fair

Plymouth County, Massachusetts · At Middleboro Raynham Tl · Structure no. M1804147CDOTNBI

Built
1962
63 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
170 ft
3 main spans
Daily traffic
28,714
2023 count
Owner
State
State Highway Agency

About this bridge

I 495 NB over Water Taunton River is a steel stringer/multi-beam or girder carrying I 495 NB over Water Taunton River 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 28,714 vehicles a day, roughly 6% of them trucks, projected to reach 50,064 by 2032. The structure is 170 ft (51.8 m) long and 44 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesI 495 NB
CrossesWater Taunton River
LocationAt Middleboro Raynham Tl
RouteInterstate 495
CountyPlymouth County
StateMassachusetts
Coordinates41.92376, -70.99645
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.4 US tons
Inventory rating64.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length170 ft (51.8 m)
Longest span70 ft (21.3 m)
Deck width44 ft (13.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,714 (2023)
Projected traffic50,064 by 2032
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$1.5 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I 495 NB over Water Taunton River built?

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

What condition is I 495 NB over Water Taunton 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 October 2023.

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

About 28,714 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is I 495 NB over Water Taunton River?

The structure is 170 ft (51.8 m) long with a longest span of 70 ft (21.3 m) and a deck 44 ft wide.

Who owns I 495 NB over Water Taunton River?

It is owned by the State Highway Agency.