US Bridges

HWY Onset Ave over RR Macrr

Good

Plymouth County, Massachusetts · Macrr MP 53.98 · Structure no. W060154C3DOT634

Built
1990
35 years old
Condition
Good
inspected November 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
4,496
2021 count
Owner
State
State Highway Agency

About this bridge

HWY Onset Ave over RR Macrr is a steel stringer/multi-beam or girder carrying HWY Onset Ave over RR Macrr in Plymouth County, Massachusetts. It was built in 1990, so it is 35 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 4,496 vehicles a day, roughly 7% of them trucks, projected to reach 17,056 by 2031. The structure is 51 ft (15.4 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHWY Onset Ave
CrossesRR Macrr
LocationMacrr MP 53.98
RouteCity Street 0
CountyPlymouth County
StateMassachusetts
Coordinates41.74866, -70.62729
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating77.5 US tons
Inventory rating46.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length51 ft (15.4 m)
Longest span44 ft (13.4 m)
Deck width36 ft (11.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,496 (2021)
Projected traffic17,056 by 2031
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 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$1.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Onset Ave over RR Macrr built?

It was built in 1990, making it 35 years old in 2025.

What condition is HWY Onset Ave over RR Macrr 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 November 2022.

How much traffic does HWY Onset Ave over RR Macrr carry?

About 4,496 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is HWY Onset Ave over RR Macrr?

The structure is 51 ft (15.4 m) long with a longest span of 44 ft (13.4 m) and a deck 36 ft wide.

Who owns HWY Onset Ave over RR Macrr?

It is owned by the State Highway Agency.