US Bridges

HWY Depot RD over Water Stony Brook

Fair

Middlesex County, Massachusetts · At Jct. of Lowell St. · Structure no. W26003AA3MUNNBI

Built
1993
32 years old
Condition
Fair
inspected May 2024
Type
Slab
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
7,416
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

HWY Depot RD over Water Stony Brook is a prestressed concrete slab carrying HWY Depot RD over Water Stony Brook in Middlesex County, Massachusetts. It was built in 1993, so it is 32 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 7,416 vehicles a day, roughly 6% of them trucks, projected to reach 26,216 by 2031. The structure is 42 ft (12.7 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesHWY Depot RD
CrossesWater Stony Brook
LocationAt Jct. of Lowell St.
RouteCity Street 0
CountyMiddlesex County
StateMassachusetts
Coordinates42.59703, -71.43506
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length42 ft (12.7 m)
Longest span40 ft (12.1 m)
Deck width27 ft (8.2 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,416 (2022)
Projected traffic26,216 by 2031
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY Depot RD over Water Stony Brook built?

It was built in 1993, making it 32 years old in 2025.

What condition is HWY Depot RD over Water Stony 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 HWY Depot RD over Water Stony Brook carry?

About 7,416 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is HWY Depot RD over Water Stony Brook?

The structure is 42 ft (12.7 m) long with a longest span of 40 ft (12.1 m) and a deck 27 ft wide.

Who owns HWY Depot RD over Water Stony Brook?

It is owned by the Town or Township Highway Agency.