US Bridges

I 95 NB over ST114 Andover ST

Fair

Essex County, Massachusetts · 1.5 MI N ST62 · Structure no. D030312VFDOTNBI

Built
1969
56 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
140 ft
1 main span
Daily traffic
39,400
2019 count
Owner
State
State Highway Agency

About this bridge

I 95 NB over ST114 Andover ST is a steel stringer/multi-beam or girder carrying I 95 NB over ST114 Andover ST in Essex County, Massachusetts. It was built in 1969, so it is 56 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 39,400 vehicles a day, roughly 12% of them trucks, projected to reach 91,599 by 2032. The structure is 140 ft (42.7 m) long and 69 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI 95 NB
CrossesST114 Andover ST
Location1.5 MI N ST62
RouteInterstate 95
CountyEssex County
StateMassachusetts
Coordinates42.55952, -70.97388
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.
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.5 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length140 ft (42.7 m)
Longest span137 ft (41.8 m)
Deck width69 ft (21 m)
Roadway width61 ft (18.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,400 (2019)
Projected traffic91,599 by 2032
Trucks12%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$8.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 95 NB over ST114 Andover ST built?

It was built in 1969, making it 56 years old in 2025.

What condition is I 95 NB over ST114 Andover ST 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 I 95 NB over ST114 Andover ST carry?

About 39,400 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is I 95 NB over ST114 Andover ST?

The structure is 140 ft (42.7 m) long with a longest span of 137 ft (41.8 m) and a deck 69 ft wide.

Who owns I 95 NB over ST114 Andover ST?

It is owned by the State Highway Agency.