US Bridges

I 495 NB over HWY Pine ST

Fair

Plymouth County, Massachusetts · 2 M N of Rochester Tl · Structure no. M1805645XDOTNBI

Built
1964
61 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
85 ft
1 main span
Daily traffic
18,000
2024 count
Owner
State
State Highway Agency

About this bridge

I 495 NB over HWY Pine ST is a steel stringer/multi-beam or girder carrying I 495 NB over HWY Pine ST in Plymouth County, Massachusetts. It was built in 1964, so it is 61 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 18,000 vehicles a day, roughly 9% of them trucks, projected to reach 35,534 by 2031. The structure is 85 ft (25.9 m) long and 43 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesI 495 NB
CrossesHWY Pine ST
Location2 M N of Rochester Tl
RouteInterstate 495
Coordinates41.8247, -70.80824
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.
Substructure7 GoodSome minor problems.
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 alignment8: Equal to present desirable criteria
Operating rating58.1 US tons
Inventory rating34.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length85 ft (25.9 m)
Longest span80 ft (24.4 m)
Deck width43 ft (13 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,000 (2024)
Projected traffic35,534 by 2031
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed4.3 mi (7 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 495 NB over HWY Pine ST built?

It was built in 1964, making it 61 years old in 2025.

What condition is I 495 NB over HWY Pine ST 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 I 495 NB over HWY Pine ST carry?

About 18,000 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is I 495 NB over HWY Pine ST?

The structure is 85 ft (25.9 m) long with a longest span of 80 ft (24.4 m) and a deck 43 ft wide.

Who owns I 495 NB over HWY Pine ST?

It is owned by the State Highway Agency.