US Bridges

ST106 W Center ST over Water Hockomock River

Good

Plymouth County, Massachusetts · .5 MI E of ST 138 · Structure no. W18012BLMDOTNBI

Built
2017
8 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
69 ft
1 main span
Daily traffic
14,857
2023 count
Owner
State
State Highway Agency

About this bridge

ST106 W Center ST over Water Hockomock River is a steel stringer/multi-beam or girder carrying ST106 W Center ST over Water Hockomock River in Plymouth County, Massachusetts. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 14,857 vehicles a day, roughly 9% of them trucks. The structure is 69 ft (20.9 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesST106 W Center ST
CrossesWater Hockomock River
Location.5 MI E of ST 138
RouteState Highway 106
Coordinates42.01122, -71.05821
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating50 US tons

Structure

MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length69 ft (20.9 m)
Longest span65 ft (19.8 m)
Deck width47 ft (14.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,857 (2023)
Projected traffic—
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was ST106 W Center ST over Water Hockomock River built?

It was built in 2017, making it 8 years old in 2025.

What condition is ST106 W Center ST over Water Hockomock 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 July 2023.

How much traffic does ST106 W Center ST over Water Hockomock River carry?

About 14,857 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is ST106 W Center ST over Water Hockomock River?

The structure is 69 ft (20.9 m) long with a longest span of 65 ft (19.8 m) and a deck 47 ft wide.

Who owns ST106 W Center ST over Water Hockomock River?

It is owned by the State Highway Agency.