US Bridges

I 495 NB over TR Amesbury Riverwalk

Good

Essex County, Massachusetts · .1 MI N Exit 55 · Structure no. A07026BPADOTNBI

Built
2016
9 years old
Condition
Good
inspected January 2025
Type
Frame
Concrete
Length
25 ft
1 main span
Daily traffic
20,729
2025 count
Owner
State
State Highway Agency

About this bridge

I 495 NB over TR Amesbury Riverwalk is a concrete frame carrying I 495 NB over TR Amesbury Riverwalk in Essex County, Massachusetts. It was built in 2016, so it is 9 years old, younger than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20,729 vehicles a day, roughly 9% of them trucks. The structure is 25 ft (7.6 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 495 NB
CrossesTR Amesbury Riverwalk
Location.1 MI N Exit 55
RouteInterstate 495
Coordinates42.84778, -70.917
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,729 (2025)
Projected traffic—
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed1.2 mi (2 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 statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$245,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 495 NB over TR Amesbury Riverwalk built?

It was built in 2016, making it 9 years old in 2025.

What condition is I 495 NB over TR Amesbury Riverwalk in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does I 495 NB over TR Amesbury Riverwalk carry?

About 20,729 vehicles per day (2025 count), of which roughly 9% are trucks.

How long is I 495 NB over TR Amesbury Riverwalk?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m) and a deck 42 ft wide.

Who owns I 495 NB over TR Amesbury Riverwalk?

It is owned by the State Highway Agency.