US Bridges

ST286 Main ST over I 95

FairPosted for load

Essex County, Massachusetts · 1 MI S New Hampshire Stat · Structure no. S0200831PDOTNBI

Built
1967
58 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
288 ft
2 main spans
Daily traffic
4,400
2024 count
Owner
State
State Highway Agency

About this bridge

ST286 Main ST over I 95 is a steel stringer/multi-beam or girder carrying ST286 Main ST over I 95 in Essex County, Massachusetts. It was built in 1967, so it is 58 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. Its operating status is: posted for load restriction.

It carries about 4,400 vehicles a day, roughly 10% of them trucks, projected to reach 15,161 by 2033. The structure is 288 ft (87.8 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesST286 Main ST
CrossesI 95
Location1 MI S New Hampshire Stat
RouteState Highway 286
Coordinates42.86792, -70.89046
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 inspectionFebruary 2024
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.5 US tons
Inventory rating57.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length288 ft (87.8 m)
Longest span149 ft (45.4 m)
Deck width57 ft (17.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,400 (2024)
Projected traffic15,161 by 2033
Trucks10%
Lanes on structure4
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$14.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST286 Main ST over I 95 built?

It was built in 1967, making it 58 years old in 2025.

What condition is ST286 Main ST over I 95 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 2024.

How much traffic does ST286 Main ST over I 95 carry?

About 4,400 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is ST286 Main ST over I 95?

The structure is 288 ft (87.8 m) long with a longest span of 149 ft (45.4 m) and a deck 57 ft wide.

Who owns ST286 Main ST over I 95?

It is owned by the State Highway Agency.