US Bridges

HWY Hilldale Ave over I 495 NB

Fair

Essex County, Massachusetts · 2.4 KM N ST 110 · Structure no. H12046314DOTNBI

Built
1961
64 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
146 ft
3 main spans
Daily traffic
6,500
2017 count
Owner
State
State Highway Agency

About this bridge

HWY Hilldale Ave over I 495 NB is a steel stringer/multi-beam or girder carrying HWY Hilldale Ave 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.

It carries about 6,500 vehicles a day, roughly 6% of them trucks, projected to reach 19,899 by 2032. The structure is 146 ft (44.5 m) long and 49 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesHWY Hilldale Ave
CrossesI 495 NB
Location2.4 KM N ST 110
RouteState Highway 0
CountyEssex County
StateMassachusetts
Coordinates42.7924, -71.10639
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
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 rating56.3 US tons
Inventory rating33.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length146 ft (44.5 m)
Longest span73 ft (22.3 m)
Deck width49 ft (14.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (2017)
Projected traffic19,899 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 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$6.5 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Hilldale Ave over I 495 NB built?

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

What condition is HWY Hilldale Ave 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 March 2023.

How much traffic does HWY Hilldale Ave over I 495 NB carry?

About 6,500 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is HWY Hilldale Ave over I 495 NB?

The structure is 146 ft (44.5 m) long with a longest span of 73 ft (22.3 m) and a deck 49 ft wide.

Who owns HWY Hilldale Ave over I 495 NB?

It is owned by the State Highway Agency.