US Bridges

ST 8 A/N Heath RD over Water Mill Brook

Fair

Franklin County, Massachusetts · .45 KM N of RTE 2 · Structure no. C050050ELMUNNBI

Built
1950
75 years old, rebuilt 2009
Condition
Fair
inspected July 2023
Type
Truss - Thru
Wood or Timber
Length
94 ft
1 main span
Daily traffic
1,035
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

ST 8 A/N Heath RD over Water Mill Brook is a wood or timber truss - thru carrying ST 8 A/N Heath RD over Water Mill Brook in Franklin County, Massachusetts. It was built in 1950 and reconstructed in 2009, so it is 75 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 1,035 vehicles a day, roughly 10% of them trucks, projected to reach 1,263 by 2032. The structure is 94 ft (28.7 m) long and 32 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesST 8 A/N Heath RD
CrossesWater Mill Brook
Location.45 KM N of RTE 2
RouteCity Street 8A
CountyFranklin County
StateMassachusetts
Coordinates42.6317, -72.86891
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment2: Basically intolerable, requiring high priority of replacement
Operating rating55.3 US tons
Inventory rating36.8 US tons

Structure

Structure typeTruss - Thru
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length94 ft (28.7 m)
Longest span92 ft (28 m)
Deck width32 ft (9.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck14 ft (4.4 m)

Traffic and service

Average daily traffic1,035 (2019)
Projected traffic1,263 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of relocation of road
Estimated improvement cost$8.5 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 8 A/N Heath RD over Water Mill Brook built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2009.

What condition is ST 8 A/N Heath 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 July 2023.

How much traffic does ST 8 A/N Heath RD over Water Mill Brook carry?

About 1,035 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is ST 8 A/N Heath RD over Water Mill Brook?

The structure is 94 ft (28.7 m) long with a longest span of 92 ft (28 m) and a deck 32 ft wide.

Who owns ST 8 A/N Heath RD over Water Mill Brook?

It is owned by the Town or Township Highway Agency.