US Bridges

ST143 Main RD over Water Webster Brook

Fair

Hampshire County, Massachusetts · @ Curtis RD Intersection · Structure no. C120010JXDOTNBI

Built
1931
94 years old, rebuilt 1959
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
85 ft
2 main spans
Daily traffic
3,420
2024 count
Owner
State
State Highway Agency

About this bridge

ST143 Main RD over Water Webster Brook is a steel stringer/multi-beam or girder carrying ST143 Main RD over Water Webster Brook in Hampshire County, Massachusetts. It was built in 1931 and reconstructed in 1959, so it is 94 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 3,420 vehicles a day, roughly 6% of them trucks, projected to reach 3,159 by 2031. The structure is 85 ft (25.9 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesST143 Main RD
CrossesWater Webster Brook
Location@ Curtis RD Intersection
RouteState Highway 143
CountyHampshire County
StateMassachusetts
Coordinates42.38289, -72.81073
Functional classRural 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
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating27.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length85 ft (25.9 m)
Longest span40 ft (12.3 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,420 (2024)
Projected traffic3,159 by 2031
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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$2.7 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST143 Main RD over Water Webster Brook built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1959.

What condition is ST143 Main RD over Water Webster 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 August 2024.

How much traffic does ST143 Main RD over Water Webster Brook carry?

About 3,420 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is ST143 Main RD over Water Webster Brook?

The structure is 85 ft (25.9 m) long with a longest span of 40 ft (12.3 m) and a deck 35 ft wide.

Who owns ST143 Main RD over Water Webster Brook?

It is owned by the State Highway Agency.