US Bridges

ST 2 over Water Mill Brook

Fair

Franklin County, Massachusetts · At High St. & Town Garage · Structure no. C050110JEDOTNBI

Built
1938
87 years old, rebuilt 2009
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
4,555
2018 count
Owner
State
State Highway Agency

About this bridge

ST 2 over Water Mill Brook is a prestressed concrete box beam or girders - single or spread carrying ST 2 over Water Mill Brook in Franklin County, Massachusetts. It was built in 1938 and reconstructed in 2009, so it is 87 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 4,555 vehicles a day, roughly 10% of them trucks, projected to reach 3,790 by 2032. The structure is 70 ft (21.4 m) long and 50 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesST 2
CrossesWater Mill Brook
LocationAt High St. & Town Garage
RouteState Highway 2
CountyFranklin County
StateMassachusetts
Coordinates42.62797, -72.87234
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.9 US tons
Inventory rating51.4 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length70 ft (21.4 m)
Longest span63 ft (19.2 m)
Deck width50 ft (15.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,555 (2018)
Projected traffic3,790 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 2 over Water Mill Brook built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 2009.

What condition is ST 2 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 ST 2 over Water Mill Brook carry?

About 4,555 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is ST 2 over Water Mill Brook?

The structure is 70 ft (21.4 m) long with a longest span of 63 ft (19.2 m) and a deck 50 ft wide.

Who owns ST 2 over Water Mill Brook?

It is owned by the State Highway Agency.