US Bridges

HWY Main ST over Water Weweantic River

Fair

Plymouth County, Massachusetts · .8 MI SE of Rochester · Structure no. W06004448MUNNBI

Built
1978
47 years old
Condition
Fair
inspected April 2024
Type
Culvert
Steel
Length
20 ft
1 main span
Daily traffic
1,600
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Main ST over Water Weweantic River is a steel culvert carrying HWY Main ST over Water Weweantic River in Plymouth County, Massachusetts. It was built in 1978, so it is 47 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 1,600 vehicles a day, projected to reach 2,843 by 2032. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Main ST
CrossesWater Weweantic River
Location.8 MI SE of Rochester
RouteCity Street 0
Coordinates41.79117, -70.76422
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
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
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 typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadH 20
Structure length20 ft (6.1 m)
Longest span20 ft (6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2024)
Projected traffic2,843 by 2032
Trucks0%
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$476,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Main ST over Water Weweantic River built?

It was built in 1978, making it 47 years old in 2025.

What condition is HWY Main ST over Water Weweantic 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 Main ST over Water Weweantic River carry?

About 1,600 vehicles per day (2024 count).

How long is HWY Main ST over Water Weweantic River?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6 m).

Who owns HWY Main ST over Water Weweantic River?

It is owned by the Town or Township Highway Agency.