US Bridges

ST105 Thompson ST over Water Bartlett Brook

Fair

Plymouth County, Massachusetts · .4 MI N of Middleboro LN · Structure no. H0200441YMUNNBI

Built
1992
33 years old
Condition
Fair
inspected May 2024
Type
Slab
Prestressed Concrete
Length
64 ft
3 main spans
Daily traffic
8,793
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

ST105 Thompson ST over Water Bartlett Brook is a prestressed concrete slab carrying ST105 Thompson ST over Water Bartlett Brook 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 8,793 vehicles a day, roughly 4% of them trucks, projected to reach 9,792 by 2031. The structure is 64 ft (19.5 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesST105 Thompson ST
CrossesWater Bartlett Brook
Location.4 MI N of Middleboro LN
RouteCity Street 105
Coordinates41.96951, -70.89996
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 above top of footing
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 spans3
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span20 ft (6.1 m)
Deck width36 ft (11.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,793 (2024)
Projected traffic9,792 by 2031
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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$2.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST105 Thompson ST over Water Bartlett Brook built?

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

What condition is ST105 Thompson ST over Water Bartlett 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 May 2024.

How much traffic does ST105 Thompson ST over Water Bartlett Brook carry?

About 8,793 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is ST105 Thompson ST over Water Bartlett Brook?

The structure is 64 ft (19.5 m) long with a longest span of 20 ft (6.1 m) and a deck 36 ft wide.

Who owns ST105 Thompson ST over Water Bartlett Brook?

It is owned by the Town or Township Highway Agency.