US Bridges

HWY River ST over Water Eel River

Good

Plymouth County, Massachusetts · .2 MI W of RTE 3A · Structure no. P13012AU0MUNNBI

Built
2004
21 years old
Condition
Good
inspected August 2024
Type
Arch - Deck
Concrete
Length
32 ft
1 main span
Daily traffic
1,357
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY River ST over Water Eel River is a concrete arch - deck carrying HWY River ST over Water Eel River in Plymouth County, Massachusetts. It was built in 2004, so it is 21 years old, younger 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 1,357 vehicles a day, roughly 10% of them trucks, projected to reach 3,159 by 2031. The structure is 32 ft (9.7 m) long and 32 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesHWY River ST
CrossesWater Eel River
Location.2 MI W of RTE 3A
RouteCity Street 0
Coordinates41.93686, -70.61914
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating63.5 US tons
Inventory rating38 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length32 ft (9.7 m)
Longest span32 ft (9.7 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,357 (2024)
Projected traffic3,159 by 2031
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY River ST over Water Eel River built?

It was built in 2004, making it 21 years old in 2025.

What condition is HWY River ST over Water Eel 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 August 2024.

How much traffic does HWY River ST over Water Eel River carry?

About 1,357 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is HWY River ST over Water Eel River?

The structure is 32 ft (9.7 m) long with a longest span of 32 ft (9.7 m) and a deck 32 ft wide.

Who owns HWY River ST over Water Eel River?

It is owned by the Town or Township Highway Agency.