US Bridges

US 6 Wareham Road over Water Weweantic River

Poor

Plymouth County, Massachusetts · At Wareham Marion Tl · Structure no. M0500145EDOTNBI

Built
1929
96 years old, rebuilt 1957
Condition
Poor
inspected October 2024
Type
Tee Beam
Concrete Continuous
Length
109 ft
2 main spans
Daily traffic
9,017
2023 count
Owner
State
State Highway Agency

About this bridge

US 6 Wareham Road over Water Weweantic River is a concrete continuous tee beam carrying US 6 Wareham Road over Water Weweantic River in Plymouth County, Massachusetts. It was built in 1929 and reconstructed in 1957, so it is 96 years old, older than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 9,017 vehicles a day, roughly 6% of them trucks, projected to reach 23,690 by 2031. The structure is 109 ft (33.2 m) long and 59 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesUS 6 Wareham Road
CrossesWater Weweantic River
LocationAt Wareham Marion Tl
RouteU.S. Route 6
Coordinates41.7375, -70.74741
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.1 US tons
Inventory rating31.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length109 ft (33.2 m)
Longest span49 ft (14.9 m)
Deck width59 ft (17.9 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,017 (2023)
Projected traffic23,690 by 2031
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$14.9 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 6 Wareham Road over Water Weweantic River built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1957.

What condition is US 6 Wareham Road over Water Weweantic River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does US 6 Wareham Road over Water Weweantic River carry?

About 9,017 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is US 6 Wareham Road over Water Weweantic River?

The structure is 109 ft (33.2 m) long with a longest span of 49 ft (14.9 m) and a deck 59 ft wide.

Who owns US 6 Wareham Road over Water Weweantic River?

It is owned by the State Highway Agency.