US Bridges

US 1 Provdnce HWY over Water Neponset River

Fair

Norfolk County, Massachusetts · .25 MI S of Dean ST · Structure no. N250263PNDOTNBI

Built
1960
65 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
65 ft
1 main span
Daily traffic
40,571
2023 count
Owner
State
State Highway Agency

About this bridge

US 1 Provdnce HWY over Water Neponset River is a steel stringer/multi-beam or girder carrying US 1 Provdnce HWY over Water Neponset River in Norfolk County, Massachusetts. It was built in 1960, so it is 65 years old, older 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 40,571 vehicles a day, roughly 5% of them trucks, projected to reach 56,223 by 2032. The structure is 65 ft (19.8 m) long and 85 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 1 Provdnce HWY
CrossesWater Neponset River
Location.25 MI S of Dean ST
RouteU.S. Route 1
Coordinates42.17695, -71.19199
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.8 US tons
Inventory rating33.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length65 ft (19.8 m)
Longest span61 ft (18.6 m)
Deck width85 ft (25.8 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,571 (2023)
Projected traffic56,223 by 2032
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 1 Provdnce HWY over Water Neponset River built?

It was built in 1960, making it 65 years old in 2025.

What condition is US 1 Provdnce HWY 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 October 2023.

How much traffic does US 1 Provdnce HWY over Water Neponset River carry?

About 40,571 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US 1 Provdnce HWY over Water Neponset River?

The structure is 65 ft (19.8 m) long with a longest span of 61 ft (18.6 m) and a deck 85 ft wide.

Who owns US 1 Provdnce HWY over Water Neponset River?

It is owned by the State Highway Agency.