US Bridges

I 495 NB over ST 16 E Main ST

Fair

Worcester County, Massachusetts · MM48.9 0.5 MI N of ST109 · Structure no. M210211UJDOTNBI

Built
1968
57 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
96 ft
1 main span
Daily traffic
43,541
2023 count
Owner
State
State Highway Agency

About this bridge

I 495 NB over ST 16 E Main ST is a steel stringer/multi-beam or girder carrying I 495 NB over ST 16 E Main ST in Worcester County, Massachusetts. It was built in 1968, so it is 57 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 43,541 vehicles a day, roughly 9% of them trucks, projected to reach 88,441 by 2031. The structure is 96 ft (29.3 m) long and 57 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI 495 NB
CrossesST 16 E Main ST
LocationMM48.9 0.5 MI N of ST109
RouteInterstate 495
CountyWorcester County
StateMassachusetts
Coordinates42.15507, -71.48765
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
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 rating52 US tons
Inventory rating31.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length96 ft (29.3 m)
Longest span88 ft (26.8 m)
Deck width57 ft (17.4 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43,541 (2023)
Projected traffic88,441 by 2031
Trucks9%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a toll 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$5.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 495 NB over ST 16 E Main ST built?

It was built in 1968, making it 57 years old in 2025.

What condition is I 495 NB over ST 16 E Main 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 July 2024.

How much traffic does I 495 NB over ST 16 E Main ST carry?

About 43,541 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I 495 NB over ST 16 E Main ST?

The structure is 96 ft (29.3 m) long with a longest span of 88 ft (26.8 m) and a deck 57 ft wide.

Who owns I 495 NB over ST 16 E Main ST?

It is owned by the State Highway Agency.