US Bridges

I 495 NB over HWY Beaver ST

Fair

Norfolk County, Massachusetts · .7 MI SE of ST 140 · Structure no. F080291VGDOTNBI

Built
1966
59 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
78 ft
1 main span
Daily traffic
36,570
2023 count
Owner
State
State Highway Agency

About this bridge

I 495 NB over HWY Beaver ST is a steel stringer/multi-beam or girder carrying I 495 NB over HWY Beaver ST in Norfolk County, Massachusetts. It was built in 1966, so it is 59 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 6 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 36,570 vehicles a day, roughly 7% of them trucks, projected to reach 60,013 by 2032. The structure is 78 ft (23.8 m) long and 55 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI 495 NB
CrossesHWY Beaver ST
Location.7 MI SE of ST 140
RouteInterstate 495
CountyNorfolk County
StateMassachusetts
Coordinates42.08118, -71.42137
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.2 US tons
Inventory rating29.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length78 ft (23.8 m)
Longest span75 ft (22.9 m)
Deck width55 ft (16.7 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,570 (2023)
Projected traffic60,013 by 2032
Trucks7%
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$3.9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 495 NB over HWY Beaver ST built?

It was built in 1966, making it 59 years old in 2025.

What condition is I 495 NB over HWY Beaver 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 495 NB over HWY Beaver ST carry?

About 36,570 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is I 495 NB over HWY Beaver ST?

The structure is 78 ft (23.8 m) long with a longest span of 75 ft (22.9 m) and a deck 55 ft wide.

Who owns I 495 NB over HWY Beaver ST?

It is owned by the State Highway Agency.