US Bridges

ST 9 Berkshire TR over Water Bartlet Brook

Fair

Hampshire County, Massachusetts · 400 W JCT Stage Rd. · Structure no. C210080JLDOTNBI

Built
1958
67 years old
Condition
Fair
inspected February 2025
Type
Slab
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
4,026
2016 count
Owner
State
State Highway Agency

About this bridge

ST 9 Berkshire TR over Water Bartlet Brook is a prestressed concrete slab carrying ST 9 Berkshire TR over Water Bartlet Brook in Hampshire County, Massachusetts. It was built in 1958, so it is 67 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 4,026 vehicles a day, roughly 10% of them trucks, projected to reach 3,948 by 2032. The structure is 28 ft (8.5 m) long and 48 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesST 9 Berkshire TR
CrossesWater Bartlet Brook
Location400 W JCT Stage Rd.
RouteState Highway 9
CountyHampshire County
StateMassachusetts
Coordinates42.48285, -72.93491
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating55 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 (14.7 m)
Roadway width46 ft (14.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,026 (2016)
Projected traffic3,948 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$259,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 9 Berkshire TR over Water Bartlet Brook built?

It was built in 1958, making it 67 years old in 2025.

What condition is ST 9 Berkshire TR over Water Bartlet 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 February 2025.

How much traffic does ST 9 Berkshire TR over Water Bartlet Brook carry?

About 4,026 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is ST 9 Berkshire TR over Water Bartlet 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 ST 9 Berkshire TR over Water Bartlet Brook?

It is owned by the State Highway Agency.