US Bridges

US 6 Fairhaven RD over Water Mattapoisett River

Fair

Plymouth County, Massachusetts · 1. 3 KM E of Fairhaven Tl · Structure no. M0900245FDOTNBI

Built
1925
100 years old, rebuilt 1955
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
21,336
2023 count
Owner
State
State Highway Agency

About this bridge

US 6 Fairhaven RD over Water Mattapoisett River is a concrete slab carrying US 6 Fairhaven RD over Water Mattapoisett River in Plymouth County, Massachusetts. It was built in 1925 and reconstructed in 1955, so it is 100 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 21,336 vehicles a day, roughly 5% of them trucks, projected to reach 27,401 by 2032. The structure is 23 ft (7 m) long and 67 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 6 Fairhaven RD
CrossesWater Mattapoisett River
Location1. 3 KM E of Fairhaven Tl
RouteU.S. Route 6
Coordinates41.65695, -70.83422
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.4 US tons
Inventory rating29 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width67 ft (20.5 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,336 (2023)
Projected traffic27,401 by 2032
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 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 US 6 Fairhaven RD over Water Mattapoisett River built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1955.

What condition is US 6 Fairhaven 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 US 6 Fairhaven RD over Water Mattapoisett River carry?

About 21,336 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US 6 Fairhaven 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 67 ft wide.

Who owns US 6 Fairhaven RD over Water Mattapoisett River?

It is owned by the State Highway Agency.