US Bridges

HWY W Britannia over Water Mill River

Good

Bristol County, Massachusetts · @ Reed and Barton · Structure no. T010183K6MUNNBI

Built
1850
175 years old, rebuilt 2005
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
5,043
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

HWY W Britannia over Water Mill River is a prestressed concrete box beam or girders - single or spread carrying HWY W Britannia over Water Mill River in Bristol County, Massachusetts. It was built in 1850 and reconstructed in 2005, so it is 175 years old, older than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,043 vehicles a day, roughly 3% of them trucks, projected to reach 5,054 by 2031. The structure is 56 ft (17.2 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY W Britannia
CrossesWater Mill River
Location@ Reed and Barton
RouteCity Street 0
Coordinates41.91885, -71.10096
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating101.7 US tons
Inventory rating63.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length56 ft (17.2 m)
Longest span50 ft (15.2 m)
Deck width46 ft (14 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,043 (2024)
Projected traffic5,054 by 2031
Trucks3%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.6 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY W Britannia over Water Mill River built?

It was built in 1850, making it 175 years old in 2025. It was reconstructed in 2005.

What condition is HWY W Britannia over Water Mill River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does HWY W Britannia over Water Mill River carry?

About 5,043 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is HWY W Britannia over Water Mill River?

The structure is 56 ft (17.2 m) long with a longest span of 50 ft (15.2 m) and a deck 46 ft wide.

Who owns HWY W Britannia over Water Mill River?

It is owned by the City or Municipal Highway Agency.