US Bridges

HWY Northfld RD over Water Mill Brook

Fair

Franklin County, Massachusetts · 1.6 MI E of School ST · Structure no. W080060NJMUNNBI

Built
1940
85 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete
Length
33 ft
1 main span
Daily traffic
647
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Northfld RD over Water Mill Brook is a concrete tee beam carrying HWY Northfld RD over Water Mill Brook in Franklin County, Massachusetts. It was built in 1940, so it is 85 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 6 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 647 vehicles a day, roughly 6% of them trucks, projected to reach 1,022 by 2032. The structure is 33 ft (10.2 m) long and 30 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

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CarriesHWY Northfld RD
CrossesWater Mill Brook
Location1.6 MI E of School ST
RouteCity Street 0
CountyFranklin County
StateMassachusetts
Coordinates42.70523, -72.40211
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating48.6 US tons
Inventory rating29.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length33 ft (10.2 m)
Longest span30 ft (9 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic647 (2017)
Projected traffic1,022 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$976,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Northfld RD over Water Mill Brook built?

It was built in 1940, making it 85 years old in 2025.

What condition is HWY Northfld RD over Water Mill Brook 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 November 2023.

How much traffic does HWY Northfld RD over Water Mill Brook carry?

About 647 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is HWY Northfld RD over Water Mill Brook?

The structure is 33 ft (10.2 m) long with a longest span of 30 ft (9 m) and a deck 30 ft wide.

Who owns HWY Northfld RD over Water Mill Brook?

It is owned by the Town or Township Highway Agency.