US Bridges

HWY E Main ST over Water South Brook

Fair

Berkshire County, Massachusetts · At Flaherty Rd&windsor RD · Structure no. C1000503JMUNNBI

Built
1939
86 years old, rebuilt 1996
Condition
Fair
inspected January 2025
Type
Slab
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
430
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY E Main ST over Water South Brook is a prestressed concrete slab carrying HWY E Main ST over Water South Brook in Berkshire County, Massachusetts. It was built in 1939 and reconstructed in 1996, so it is 86 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 6 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 430 vehicles a day, roughly 6% of them trucks, projected to reach 790 by 2032. The structure is 40 ft (12.3 m) long and 36 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesHWY E Main ST
CrossesWater South Brook
LocationAt Flaherty Rd&windsor RD
RouteCity Street 0
CountyBerkshire County
StateMassachusetts
Coordinates42.561, -73.15114
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.4 US tons
Inventory rating38.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.3 m)
Longest span39 ft (11.8 m)
Deck width36 ft (11 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic430 (2017)
Projected traffic790 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5.6 mi (9 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY E Main ST over Water South Brook built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1996.

What condition is HWY E Main ST over Water South 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 January 2025.

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

About 430 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is HWY E Main ST over Water South Brook?

The structure is 40 ft (12.3 m) long with a longest span of 39 ft (11.8 m) and a deck 36 ft wide.

Who owns HWY E Main ST over Water South Brook?

It is owned by the Town or Township Highway Agency.