US Bridges

HWY Summer ST over Water Trout Brook

Fair

Plymouth County, Massachusetts · At JCT Grove ST · Structure no. B25063430MUNNBI

Built
1976
49 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
10,600
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

HWY Summer ST over Water Trout Brook is a concrete slab carrying HWY Summer ST over Water Trout Brook in Plymouth County, Massachusetts. It was built in 1976, so it is 49 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 10,600 vehicles a day, roughly 2% of them trucks, projected to reach 32,692 by 2031. The structure is 23 ft (7 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Summer ST
CrossesWater Trout Brook
LocationAt JCT Grove ST
RouteCity Street 0
Coordinates42.07939, -71.00974
Functional classUrban Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.3 US tons
Inventory rating57.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width70 ft (21.3 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,600 (2024)
Projected traffic32,692 by 2031
Trucks2%
Lanes on structure4
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$842,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Summer ST over Water Trout Brook built?

It was built in 1976, making it 49 years old in 2025.

What condition is HWY Summer ST over Water Trout 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 October 2024.

How much traffic does HWY Summer ST over Water Trout Brook carry?

About 10,600 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is HWY Summer ST over Water Trout Brook?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 70 ft wide.

Who owns HWY Summer ST over Water Trout Brook?

It is owned by the City or Municipal Highway Agency.