US Bridges

HWY Pleasant ST over Water Neponset River

Fair

Norfolk County, Massachusetts · .2 MI So of Dean Street · Structure no. N250023JQMUNNBI

Built
1971
54 years old
Condition
Fair
inspected August 2023
Type
Slab
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
13,300
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Pleasant ST over Water Neponset River is a prestressed concrete slab carrying HWY Pleasant ST over Water Neponset River in Norfolk County, Massachusetts. It was built in 1971, so it is 54 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 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 13,300 vehicles a day, roughly 5% of them trucks, projected to reach 26,848 by 2032. The structure is 43 ft (13.1 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Pleasant ST
CrossesWater Neponset River
Location.2 MI So of Dean Street
RouteCity Street 0
Coordinates42.17739, -71.20031
Functional classUrban Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating81.4 US tons
Inventory rating41.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length43 ft (13.1 m)
Longest span42 ft (12.8 m)
Deck width40 ft (12.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,300 (2023)
Projected traffic26,848 by 2032
Trucks5%
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.7 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Pleasant ST over Water Neponset River built?

It was built in 1971, making it 54 years old in 2025.

What condition is HWY Pleasant 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 August 2023.

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

About 13,300 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is HWY Pleasant ST over Water Neponset River?

The structure is 43 ft (13.1 m) long with a longest span of 42 ft (12.8 m) and a deck 40 ft wide.

Who owns HWY Pleasant ST over Water Neponset River?

It is owned by the Town or Township Highway Agency.