US Bridges

US 7 Willmstwn RD over Water Brodie Mtn Brook

Poor

Berkshire County, Massachusetts · At New Ashford Town Line · Structure no. L030150A0DOTNBI

Built
1961
64 years old
Condition
Poor
inspected December 2023
Type
Slab
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
6,789
2017 count
Owner
State
State Highway Agency

About this bridge

US 7 Willmstwn RD over Water Brodie Mtn Brook is a prestressed concrete slab carrying US 7 Willmstwn RD over Water Brodie Mtn Brook in Berkshire County, Massachusetts. It was built in 1961, so it is 64 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 6,789 vehicles a day, roughly 10% of them trucks, projected to reach 9,223 by 2032. The structure is 28 ft (8.5 m) long and 48 ft wide.

CarriesUS 7 Willmstwn RD
CrossesWater Brodie Mtn Brook
LocationAt New Ashford Town Line
RouteU.S. Route 7
Coordinates42.58699, -73.25024
Functional classRural Minor 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 protection7 GoodSome minor problems.
Last inspectionDecember 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.1 US tons
Inventory rating54.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,789 (2017)
Projected traffic9,223 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 7 Willmstwn RD over Water Brodie Mtn Brook built?

It was built in 1961, making it 64 years old in 2025.

What condition is US 7 Willmstwn RD over Water Brodie Mtn 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 December 2023.

How much traffic does US 7 Willmstwn RD over Water Brodie Mtn Brook carry?

About 6,789 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is US 7 Willmstwn RD over Water Brodie Mtn Brook?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 48 ft wide.

Who owns US 7 Willmstwn RD over Water Brodie Mtn Brook?

It is owned by the State Highway Agency.