US Bridges

HWY W Chestnt ST over Water Coweeset Brook

Fair

Plymouth County, Massachusetts · .3 MI W Easton · Structure no. B25057432MUNNBI

Built
1970
55 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
54 ft
3 main spans
Daily traffic
14,643
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

HWY W Chestnt ST over Water Coweeset Brook is a concrete continuous slab carrying HWY W Chestnt ST over Water Coweeset Brook in Plymouth County, Massachusetts. It was built in 1970, so it is 55 years old, younger 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 14,643 vehicles a day, roughly 15% of them trucks, projected to reach 32,692 by 2031. The structure is 54 ft (16.5 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHWY W Chestnt ST
CrossesWater Coweeset Brook
Location.3 MI W Easton
RouteCity Street 0
CountyPlymouth County
StateMassachusetts
Coordinates42.0535, -71.06427
Functional classUrban Other Principal 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 geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating46.3 US tons
Inventory rating27.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length54 ft (16.5 m)
Longest span17 ft (5.2 m)
Deck width64 ft (19.5 m)
Roadway width46 ft (14.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,643 (2024)
Projected traffic32,692 by 2031
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY W Chestnt ST over Water Coweeset Brook built?

It was built in 1970, making it 55 years old in 2025.

What condition is HWY W Chestnt ST over Water Coweeset 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 HWY W Chestnt ST over Water Coweeset Brook carry?

About 14,643 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is HWY W Chestnt ST over Water Coweeset Brook?

The structure is 54 ft (16.5 m) long with a longest span of 17 ft (5.2 m) and a deck 64 ft wide.

Who owns HWY W Chestnt ST over Water Coweeset Brook?

It is owned by the City or Municipal Highway Agency.