US Bridges

I 95 NB over Water Neponset River

Fair

Norfolk County, Massachusetts · .32 KM SW of Neponset ST · Structure no. C0203135BDOTNBI

Built
1963
62 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
95 ft
1 main span
Daily traffic
47,844
2025 count
Owner
State
State Highway Agency

About this bridge

I 95 NB over Water Neponset River is a steel stringer/multi-beam or girder carrying I 95 NB over Water Neponset River 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 47,844 vehicles a day, roughly 4% of them trucks, projected to reach 178,461 by 2032. The structure is 95 ft (29 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 95 NB
CrossesWater Neponset River
Location.32 KM SW of Neponset ST
RouteInterstate 95
CountyNorfolk County
StateMassachusetts
Coordinates42.16482, -71.17654
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.7 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length95 ft (29 m)
Longest span90 ft (27.4 m)
Deck width56 ft (17.1 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,844 (2025)
Projected traffic178,461 by 2032
Trucks4%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$4.8 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I 95 NB over Water Neponset River built?

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

What condition is I 95 NB over Water Neponset River 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 95 NB over Water Neponset River carry?

About 47,844 vehicles per day (2025 count), of which roughly 4% are trucks.

How long is I 95 NB over Water Neponset River?

The structure is 95 ft (29 m) long with a longest span of 90 ft (27.4 m) and a deck 56 ft wide.

Who owns I 95 NB over Water Neponset River?

It is owned by the State Highway Agency.