US Bridges

ST105 Thompson ST over Water Winnetuxet River

Fair

Plymouth County, Massachusetts · At JCT of Pratt ST · Structure no. H02002420MUNNBI

Built
1992
33 years old
Condition
Fair
inspected May 2024
Type
Slab
Prestressed Concrete
Length
83 ft
4 main spans
Daily traffic
5,500
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

ST105 Thompson ST over Water Winnetuxet River is a prestressed concrete slab carrying ST105 Thompson ST over Water Winnetuxet River in Plymouth County, Massachusetts. It was built in 1992, so it is 33 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 5,500 vehicles a day, roughly 3% of them trucks, projected to reach 11,213 by 2031. The structure is 83 ft (25.3 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesST105 Thompson ST
CrossesWater Winnetuxet River
LocationAt JCT of Pratt ST
RouteCity Street 105
Coordinates41.97024, -70.89995
Functional classUrban 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating67.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span19 ft (5.9 m)
Deck width36 ft (11.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2024)
Projected traffic11,213 by 2031
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$2.9 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST105 Thompson ST over Water Winnetuxet River built?

It was built in 1992, making it 33 years old in 2025.

What condition is ST105 Thompson ST over Water Winnetuxet River 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 May 2024.

How much traffic does ST105 Thompson ST over Water Winnetuxet River carry?

About 5,500 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is ST105 Thompson ST over Water Winnetuxet River?

The structure is 83 ft (25.3 m) long with a longest span of 19 ft (5.9 m) and a deck 36 ft wide.

Who owns ST105 Thompson ST over Water Winnetuxet River?

It is owned by the Town or Township Highway Agency.