US Bridges

US 6 EB/ST28 SB over Water Agawam River

Good

Plymouth County, Massachusetts · .2 MI W of Depot ST · Structure no. W060294AEDOTNBI

Built
1949
76 years old
Condition
Good
inspected June 2024
Type
Tee Beam
Concrete
Length
25 ft
1 main span
Daily traffic
23,911
2023 count
Owner
State
State Highway Agency

About this bridge

US 6 EB/ST28 SB over Water Agawam River is a concrete tee beam carrying US 6 EB/ST28 SB over Water Agawam River in Plymouth County, Massachusetts. It was built in 1949, so it is 76 years old, older than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 23,911 vehicles a day, roughly 3% of them trucks, projected to reach 45,800 by 2031. The structure is 25 ft (7.6 m) long and 126 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 6 EB/ST28 SB
CrossesWater Agawam River
Location.2 MI W of Depot ST
RouteU.S. Route 6
Coordinates41.76143, -70.67729
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length25 ft (7.6 m)
Longest span22 ft (6.7 m)
Deck width126 ft (38.5 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,911 (2023)
Projected traffic45,800 by 2031
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$397,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 6 EB/ST28 SB over Water Agawam River built?

It was built in 1949, making it 76 years old in 2025.

What condition is US 6 EB/ST28 SB over Water Agawam River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does US 6 EB/ST28 SB over Water Agawam River carry?

About 23,911 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is US 6 EB/ST28 SB over Water Agawam River?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 126 ft wide.

Who owns US 6 EB/ST28 SB over Water Agawam River?

It is owned by the State Highway Agency.