US Bridges

US 7 /ST2/CLD Spr over Water Hemlock Brook

Poor

Berkshire County, Massachusetts · 1000 E of Thornlibank RD · Structure no. W370050ABDOTNBI

Built
1924
101 years old
Condition
Poor
inspected September 2024
Type
Tee Beam
Concrete
Length
40 ft
1 main span
Daily traffic
5,643
2017 count
Owner
State
State Highway Agency

About this bridge

US 7 /ST2/CLD Spr over Water Hemlock Brook is a concrete tee beam carrying US 7 /ST2/CLD Spr over Water Hemlock Brook in Berkshire County, Massachusetts. It was built in 1924, so it is 101 years old, older 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 4 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.

It carries about 5,643 vehicles a day, roughly 10% of them trucks, projected to reach 10,265 by 2031. The structure is 40 ft (12.2 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 7 /ST2/CLD Spr
CrossesWater Hemlock Brook
Location1000 E of Thornlibank RD
RouteU.S. Route 7
Coordinates42.71199, -73.21564
Functional classUrban Other Principal Arterial

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating40.1 US tons
Inventory rating24 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span35 ft (10.7 m)
Deck width35 ft (10.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,643 (2017)
Projected traffic10,265 by 2031
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 7 /ST2/CLD Spr over Water Hemlock Brook built?

It was built in 1924, making it 101 years old in 2025.

What condition is US 7 /ST2/CLD Spr 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 September 2024.

How much traffic does US 7 /ST2/CLD Spr over Water Hemlock Brook carry?

About 5,643 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is US 7 /ST2/CLD Spr over Water Hemlock Brook?

The structure is 40 ft (12.2 m) long with a longest span of 35 ft (10.7 m) and a deck 35 ft wide.

Who owns US 7 /ST2/CLD Spr over Water Hemlock Brook?

It is owned by the State Highway Agency.