US Bridges

I 95 NB over HWY Union ST

Fair

Norfolk County, Massachusetts · .3 MI N of Walpole T.L. · Structure no. N250283R1DOTNBI

Built
1963
62 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
103 ft
3 main spans
Daily traffic
50,478
2023 count
Owner
State
State Highway Agency

About this bridge

I 95 NB over HWY Union ST is a steel stringer/multi-beam or girder carrying I 95 NB over HWY Union ST in Norfolk 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 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 50,478 vehicles a day, roughly 7% of them trucks, projected to reach 75,806 by 2032. The structure is 103 ft (31.4 m) long and 56 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesI 95 NB
CrossesHWY Union ST
Location.3 MI N of Walpole T.L.
RouteInterstate 95
CountyNorfolk County
StateMassachusetts
Coordinates42.15338, -71.19022
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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating37.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length103 ft (31.4 m)
Longest span46 ft (14 m)
Deck width56 ft (17.2 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,478 (2023)
Projected traffic75,806 by 2032
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.4 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 95 NB over HWY Union ST built?

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

What condition is I 95 NB over HWY Union 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 January 2025.

How much traffic does I 95 NB over HWY Union ST carry?

About 50,478 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is I 95 NB over HWY Union ST?

The structure is 103 ft (31.4 m) long with a longest span of 46 ft (14 m) and a deck 56 ft wide.

Who owns I 95 NB over HWY Union ST?

It is owned by the State Highway Agency.