US Bridges

HWY New Ldlow RD over Water Stony Brook

Fair

Hampshire County, Massachusetts · .6 MI E of S Hadley Line · Structure no. G090130LHMUNNBI

Built
1940
85 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
62 ft
3 main spans
Daily traffic
8,000
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY New Ldlow RD over Water Stony Brook is a concrete continuous slab carrying HWY New Ldlow RD over Water Stony Brook in Hampshire County, Massachusetts. It was built in 1940, so it is 85 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 5 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 8,000 vehicles a day, roughly 13% of them trucks, projected to reach 10,897 by 2031. The structure is 62 ft (18.9 m) long and 48 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHWY New Ldlow RD
CrossesWater Stony Brook
Location.6 MI E of S Hadley Line
RouteCity Street 0
Coordinates42.22172, -72.53657
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.3 US tons
Inventory rating33.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length62 ft (18.9 m)
Longest span20 ft (6.1 m)
Deck width48 ft (14.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,000 (2018)
Projected traffic10,897 by 2031
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.7 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY New Ldlow RD over Water Stony Brook built?

It was built in 1940, making it 85 years old in 2025.

What condition is HWY New Ldlow RD over Water Stony 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 December 2024.

How much traffic does HWY New Ldlow RD over Water Stony Brook carry?

About 8,000 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is HWY New Ldlow RD over Water Stony Brook?

The structure is 62 ft (18.9 m) long with a longest span of 20 ft (6.1 m) and a deck 48 ft wide.

Who owns HWY New Ldlow RD over Water Stony Brook?

It is owned by the Town or Township Highway Agency.