US Bridges

HWY Mountain RD over Water Mill Brook

Good

Franklin County, Massachusetts · 50E of RTE8A at Vincent · Structure no. C05006AV2MUNNBI

Built
2004
21 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
120
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Mountain RD over Water Mill Brook is a prestressed concrete box beam or girders - single or spread carrying HWY Mountain RD over Water Mill Brook in Franklin County, Massachusetts. It was built in 2004, so it is 21 years old, younger 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 120 vehicles a day, roughly 1% of them trucks, projected to reach 158 by 2031. The structure is 58 ft (17.6 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesHWY Mountain RD
CrossesWater Mill Brook
Location50E of RTE8A at Vincent
RouteCity Street 0
Coordinates42.64394, -72.86641
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
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 within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating104.6 US tons
Inventory rating62.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length58 ft (17.6 m)
Longest span50 ft (15.1 m)
Deck width25 ft (7.5 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2016)
Projected traffic158 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.9 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Mountain RD over Water Mill Brook built?

It was built in 2004, making it 21 years old in 2025.

What condition is HWY Mountain RD over Water Mill Brook 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 Mountain RD over Water Mill Brook carry?

About 120 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is HWY Mountain RD over Water Mill Brook?

The structure is 58 ft (17.6 m) long with a longest span of 50 ft (15.1 m) and a deck 25 ft wide.

Who owns HWY Mountain RD over Water Mill Brook?

It is owned by the Town or Township Highway Agency.