US Bridges

ST 31 Greenvlle RD over Water Trapfall Brook

Good

Middlesex County, Massachusetts · 1 MI N Rt 119 · Structure no. A12011284DOTNBI

Built
1981
44 years old
Condition
Good
inspected June 2024
Type
Culvert
Steel
Length
21 ft
1 main span
Daily traffic
2,600
2024 count
Owner
State
State Highway Agency

About this bridge

ST 31 Greenvlle RD over Water Trapfall Brook is a steel culvert carrying ST 31 Greenvlle RD over Water Trapfall Brook in Middlesex County, Massachusetts. It was built in 1981, so it is 44 years old, younger than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,600 vehicles a day, roughly 10% of them trucks, projected to reach 9,239 by 2031. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesST 31 Greenvlle RD
CrossesWater Trapfall Brook
Location1 MI N Rt 119
RouteState Highway 31
CountyMiddlesex County
StateMassachusetts
Coordinates42.67851, -71.79265
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadH 20
Structure length21 ft (6.3 m)
Longest span21 ft (6.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2024)
Projected traffic9,239 by 2031
Trucks10%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$443,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST 31 Greenvlle RD over Water Trapfall Brook built?

It was built in 1981, making it 44 years old in 2025.

What condition is ST 31 Greenvlle RD over Water Trapfall Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does ST 31 Greenvlle RD over Water Trapfall Brook carry?

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

How long is ST 31 Greenvlle RD over Water Trapfall Brook?

The structure is 21 ft (6.3 m) long with a longest span of 21 ft (6.3 m).

Who owns ST 31 Greenvlle RD over Water Trapfall Brook?

It is owned by the State Highway Agency.