US Bridges

HWY Mill ST over Water Washngtn Mtn Brook

Poor

Berkshire County, Massachusetts · .4 MI S of Walker ST · Structure no. L05013015MUNNBI

Built
1911
114 years old, rebuilt 1937
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
2,925
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Mill ST over Water Washngtn Mtn Brook is a steel stringer/multi-beam or girder carrying HWY Mill ST over Water Washngtn Mtn Brook in Berkshire County, Massachusetts. It was built in 1911 and reconstructed in 1937, so it is 114 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 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: open, would be posted or closed except for temporary shoring.

It carries about 2,925 vehicles a day, roughly 6% of them trucks, projected to reach 1,421 by 2031. The structure is 32 ft (9.8 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Mill ST
CrossesWater Washngtn Mtn Brook
Location.4 MI S of Walker ST
RouteCity Street 0
Coordinates42.32785, -73.24189
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 6 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span28 ft (8.5 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,925 (2023)
Projected traffic1,421 by 2031
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 statusHistorical significance not determinable at this time
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 Mill ST over Water Washngtn Mtn Brook built?

It was built in 1911, making it 114 years old in 2025. It was reconstructed in 1937.

What condition is HWY Mill ST over Water Washngtn 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 June 2024.

How much traffic does HWY Mill ST over Water Washngtn Mtn Brook carry?

About 2,925 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is HWY Mill ST over Water Washngtn Mtn Brook?

The structure is 32 ft (9.8 m) long with a longest span of 28 ft (8.5 m) and a deck 30 ft wide.

Who owns HWY Mill ST over Water Washngtn Mtn Brook?

It is owned by the Town or Township Highway Agency.