US Bridges

ST 3 & Ramps over Water Town Brook

Fair

Norfolk County, Massachusetts · ST 3 at Town Brook · Structure no. B2106634YDOTNBI

Built
1980
45 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
110,533
2023 count
Owner
State
State Highway Agency

About this bridge

ST 3 & Ramps over Water Town Brook is a concrete culvert carrying ST 3 & Ramps over Water Town Brook in Norfolk County, Massachusetts. It was built in 1980, so it is 45 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 110,533 vehicles a day, roughly 10% of them trucks, projected to reach 229,788 by 2031. The structure is 22 ft (6.7 m) long.

Location

Open in Google Maps
CarriesST 3 & Ramps
CrossesWater Town Brook
LocationST 3 at Town Brook
RouteState Highway 3
CountyNorfolk County
StateMassachusetts
Coordinates42.22696, -71.0094
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110,533 (2023)
Projected traffic229,788 by 2031
Trucks10%
Lanes on structure13
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$811,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 3 & Ramps over Water Town Brook built?

It was built in 1980, making it 45 years old in 2025.

What condition is ST 3 & Ramps over Water Town 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 December 2024.

How much traffic does ST 3 & Ramps over Water Town Brook carry?

About 110,533 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is ST 3 & Ramps over Water Town Brook?

The structure is 22 ft (6.7 m) long with a longest span of 9 ft (2.7 m).

Who owns ST 3 & Ramps over Water Town Brook?

It is owned by the State Highway Agency.