US Bridges

HWY Washngton ST over Water Neponset River

Fair

Norfolk County, Massachusetts · .4 MI S of Norwood · Structure no. W030223KBMUNNBI

Built
1875
150 years old, rebuilt 1926
Condition
Fair
inspected April 2024
Type
Arch - Deck
Masonry
Length
36 ft
2 main spans
Daily traffic
16,785
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Washngton ST over Water Neponset River is a masonry arch - deck carrying HWY Washngton ST over Water Neponset River in Norfolk County, Massachusetts. It was built in 1875 and reconstructed in 1926, so it is 150 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 16,785 vehicles a day, roughly 6% of them trucks, projected to reach 27,638 by 2031. The structure is 36 ft (11 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesHWY Washngton ST
CrossesWater Neponset River
Location.4 MI S of Norwood
RouteCity Street 0
CountyNorfolk County
StateMassachusetts
Coordinates42.16264, -71.21535
Functional classUrban Minor 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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans2
Design loadUnknown
Structure length36 ft (11 m)
Longest span16 ft (4.9 m)
Deck width46 ft (14.1 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,785 (2021)
Projected traffic27,638 by 2031
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.6 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Washngton ST over Water Neponset River built?

It was built in 1875, making it 150 years old in 2025. It was reconstructed in 1926.

What condition is HWY Washngton ST 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 April 2024.

How much traffic does HWY Washngton ST over Water Neponset River carry?

About 16,785 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is HWY Washngton ST over Water Neponset River?

The structure is 36 ft (11 m) long with a longest span of 16 ft (4.9 m) and a deck 46 ft wide.

Who owns HWY Washngton ST over Water Neponset River?

It is owned by the Town or Township Highway Agency.