US Bridges

HWY N Broadway over I 495 NB

FairPosted for load

Essex County, Massachusetts · 1.3 Miles N Merrimac Rivr · Structure no. H12045312DOTNBI

Built
1961
64 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
143 ft
3 main spans
Daily traffic
6,400
2023 count
Owner
State
State Highway Agency

About this bridge

HWY N Broadway over I 495 NB is a steel stringer/multi-beam or girder carrying HWY N Broadway over I 495 NB in Essex County, Massachusetts. It was built in 1961, so it is 64 years old, older 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. Its operating status is: posted for load restriction.

It carries about 6,400 vehicles a day, roughly 2% of them trucks, projected to reach 6,475 by 2032. The structure is 143 ft (43.6 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY N Broadway
CrossesI 495 NB
Location1.3 Miles N Merrimac Rivr
RouteState Highway 0
Coordinates42.78771, -71.11181
Functional classUrban Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load 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 rating58.5 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length143 ft (43.6 m)
Longest span74 ft (22.6 m)
Deck width49 ft (14.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,400 (2023)
Projected traffic6,475 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$6.4 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY N Broadway over I 495 NB built?

It was built in 1961, making it 64 years old in 2025.

What condition is HWY N Broadway over I 495 NB 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 February 2025.

How much traffic does HWY N Broadway over I 495 NB carry?

About 6,400 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is HWY N Broadway over I 495 NB?

The structure is 143 ft (43.6 m) long with a longest span of 74 ft (22.6 m) and a deck 49 ft wide.

Who owns HWY N Broadway over I 495 NB?

It is owned by the State Highway Agency.