US Bridges

I 495 SB over HWY S Bolton RD

Fair

Worcester County, Massachusetts · 1.75 MI S of ST-117 · Structure no. B150041V3DOTNBI

Built
1963
62 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
148 ft
3 main spans
Daily traffic
46,600
2023 count
Owner
State
State Highway Agency

About this bridge

I 495 SB over HWY S Bolton RD is a prestressed concrete stringer/multi-beam or girder carrying I 495 SB over HWY S Bolton RD in Worcester County, Massachusetts. It was built in 1963, so it is 62 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 46,600 vehicles a day, roughly 10% of them trucks, projected to reach 81,808 by 2032. The structure is 148 ft (45.1 m) long and 57 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI 495 SB
CrossesHWY S Bolton RD
Location1.75 MI S of ST-117
RouteInterstate 495
CountyWorcester County
StateMassachusetts
Coordinates42.41638, -71.60573
Functional classRural 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.
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 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.4 US tons
Inventory rating27.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length148 ft (45.1 m)
Longest span46 ft (14 m)
Deck width57 ft (17.4 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,600 (2023)
Projected traffic81,808 by 2032
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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$7.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 495 SB over HWY S Bolton RD built?

It was built in 1963, making it 62 years old in 2025.

What condition is I 495 SB over HWY S Bolton RD 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 495 SB over HWY S Bolton RD carry?

About 46,600 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is I 495 SB over HWY S Bolton RD?

The structure is 148 ft (45.1 m) long with a longest span of 46 ft (14 m) and a deck 57 ft wide.

Who owns I 495 SB over HWY S Bolton RD?

It is owned by the State Highway Agency.