US Bridges

HWY Acushnet RD over Water Mattapoisett River

Fair

Plymouth County, Massachusetts · .5 KM NW of RTE I 195 · Structure no. M09003440MUNNBI

Built
1942
83 years old
Condition
Fair
inspected July 2023
Type
Arch - Deck
Steel
Length
23 ft
1 main span
Daily traffic
2,200
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Acushnet RD over Water Mattapoisett River is a steel arch - deck carrying HWY Acushnet RD over Water Mattapoisett River in Plymouth County, Massachusetts. It was built in 1942, so it is 83 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 2,200 vehicles a day, roughly 6% of them trucks, projected to reach 2,369 by 2032. The structure is 23 ft (7 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHWY Acushnet RD
CrossesWater Mattapoisett River
Location.5 KM NW of RTE I 195
RouteCity Street 0
Coordinates41.66911, -70.84201
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating99.1 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2023)
Projected traffic2,369 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$718,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Acushnet RD over Water Mattapoisett River built?

It was built in 1942, making it 83 years old in 2025.

What condition is HWY Acushnet RD over Water Mattapoisett 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 July 2023.

How much traffic does HWY Acushnet RD over Water Mattapoisett River carry?

About 2,200 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is HWY Acushnet RD over Water Mattapoisett River?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns HWY Acushnet RD over Water Mattapoisett River?

It is owned by the Town or Township Highway Agency.