US Bridges

I 495 NB over ST213

Fair

Essex County, Massachusetts · 1 MI N ST110 · Structure no. M170332XEDOTNBI

Built
1964
61 years old, rebuilt 1992
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
179 ft
4 main spans
Daily traffic
60,662
2024 count
Owner
State
State Highway Agency

About this bridge

I 495 NB over ST213 is a steel stringer/multi-beam or girder carrying I 495 NB over ST213 in Essex County, Massachusetts. It was built in 1964 and reconstructed in 1992, 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 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 60,662 vehicles a day, roughly 11% of them trucks, projected to reach 133,609 by 2031. The structure is 179 ft (54.6 m) long and 59 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesI 495 NB
CrossesST213
Location1 MI N ST110
RouteInterstate 495
CountyEssex County
StateMassachusetts
Coordinates42.74153, -71.14096
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating41.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length179 ft (54.6 m)
Longest span55 ft (16.8 m)
Deck width59 ft (18 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60,662 (2024)
Projected traffic133,609 by 2031
Trucks11%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$9.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 495 NB over ST213 built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1992.

What condition is I 495 NB over ST213 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 2024.

How much traffic does I 495 NB over ST213 carry?

About 60,662 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is I 495 NB over ST213?

The structure is 179 ft (54.6 m) long with a longest span of 55 ft (16.8 m) and a deck 59 ft wide.

Who owns I 495 NB over ST213?

It is owned by the State Highway Agency.