US Bridges

HWY Main ST over Water Hemlock Brook

PoorClosed to traffic

Berkshire County, Massachusetts · 0.1 M West of Field Park · Structure no. W3701008UMUNNBI

Built
1976
49 years old
Condition
Poor
inspected August 2023
Type
Slab
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
517
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Main ST over Water Hemlock Brook is a prestressed concrete slab carrying HWY Main ST over Water Hemlock Brook in Berkshire County, Massachusetts. It was built in 1976, so it is 49 years old, younger than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 517 vehicles a day, roughly 6% of them trucks, projected to reach 948 by 2032. The structure is 33 ft (10.1 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Main ST
CrossesWater Hemlock Brook
Location0.1 M West of Field Park
RouteCity Street 0
Coordinates42.71448, -73.21426
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.1 US tons
Inventory rating18.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length33 ft (10.1 m)
Longest span32 ft (9.7 m)
Deck width36 ft (11 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic517 (2017)
Projected traffic948 by 2032
Trucks6%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Main ST over Water Hemlock Brook built?

It was built in 1976, making it 49 years old in 2025.

What condition is HWY Main ST over Water Hemlock Brook in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does HWY Main ST over Water Hemlock Brook carry?

About 517 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is HWY Main ST over Water Hemlock Brook?

The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.7 m) and a deck 36 ft wide.

Who owns HWY Main ST over Water Hemlock Brook?

It is owned by the Town or Township Highway Agency.