US Bridges

ST 71 Grn Riv Val over Water Green River

Fair

Berkshire County, Massachusetts · .75 MI N of Egremont · Structure no. A060010C3DOTNBI

Built
1932
93 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete Continuous
Length
72 ft
2 main spans
Daily traffic
1,380
2016 count
Owner
State
State Highway Agency

About this bridge

ST 71 Grn Riv Val over Water Green River is a concrete continuous tee beam carrying ST 71 Grn Riv Val over Water Green River in Berkshire County, Massachusetts. It was built in 1932, so it is 93 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 1,380 vehicles a day, roughly 1% of them trucks, projected to reach 1,895 by 2031. The structure is 72 ft (22 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesST 71 Grn Riv Val
CrossesWater Green River
Location.75 MI N of Egremont
RouteState Highway 71
Coordinates42.22536, -73.44645
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating36.3 US tons
Inventory rating21.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length72 ft (22 m)
Longest span35 ft (10.7 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,380 (2016)
Projected traffic1,895 by 2031
Trucks1%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 71 Grn Riv Val over Water Green River built?

It was built in 1932, making it 93 years old in 2025.

What condition is ST 71 Grn Riv Val over Water Green River 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 July 2023.

How much traffic does ST 71 Grn Riv Val over Water Green River carry?

About 1,380 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is ST 71 Grn Riv Val over Water Green River?

The structure is 72 ft (22 m) long with a longest span of 35 ft (10.7 m) and a deck 33 ft wide.

Who owns ST 71 Grn Riv Val over Water Green River?

It is owned by the State Highway Agency.