US Bridges

I 95 NB over ST110

Fair

Essex County, Massachusetts · .9 MI N of Merrimac River · Structure no. A070182V3DOTNBI

Built
1967
58 years old, rebuilt 2017
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
138 ft
2 main spans
Daily traffic
59,700
2017 count
Owner
State
State Highway Agency

About this bridge

I 95 NB over ST110 is a steel stringer/multi-beam or girder carrying I 95 NB over ST110 in Essex County, Massachusetts. It was built in 1967 and reconstructed in 2017, 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.

It carries about 59,700 vehicles a day, roughly 10% of them trucks, projected to reach 87,177 by 2032. The structure is 138 ft (42.1 m) long and 56 ft wide.

CarriesI 95 NB
CrossesST110
Location.9 MI N of Merrimac River
RouteInterstate 95
Coordinates42.84504, -70.90267
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2025
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length138 ft (42.1 m)
Longest span75 ft (22.9 m)
Deck width56 ft (17.2 m)
Roadway width50 ft (15.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59,700 (2017)
Projected traffic87,177 by 2032
Trucks10%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 95 NB over ST110 built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2017.

What condition is I 95 NB over ST110 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 I 95 NB over ST110 carry?

About 59,700 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is I 95 NB over ST110?

The structure is 138 ft (42.1 m) long with a longest span of 75 ft (22.9 m) and a deck 56 ft wide.

Who owns I 95 NB over ST110?

It is owned by the State Highway Agency.