US Bridges

HWY Rockland ST over RR Csx/Mbta

Good

Norfolk County, Massachusetts · .08 KM Nly RTE 16 · Structure no. W130072P7DOT634

Built
1917
108 years old, rebuilt 2012
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
11,300
2023 count
Owner
State
State Highway Agency

About this bridge

HWY Rockland ST over RR Csx/Mbta is a prestressed concrete box beam or girders - multiple carrying HWY Rockland ST over RR Csx/Mbta in Norfolk County, Massachusetts. It was built in 1917 and reconstructed in 2012, so it is 108 years old, older 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 11,300 vehicles a day, roughly 1% of them trucks, projected to reach 5,528 by 2032. The structure is 68 ft (20.7 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesHWY Rockland ST
CrossesRR Csx/Mbta
Location.08 KM Nly RTE 16
RouteCity Street 0
CountyNorfolk County
StateMassachusetts
Coordinates42.30848, -71.27873
Functional classUrban Collector

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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating103.7 US tons
Inventory rating62.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length68 ft (20.7 m)
Longest span63 ft (19.2 m)
Deck width39 ft (11.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,300 (2023)
Projected traffic5,528 by 2032
Trucks1%
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$2.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Rockland ST over RR Csx/Mbta built?

It was built in 1917, making it 108 years old in 2025. It was reconstructed in 2012.

What condition is HWY Rockland ST over RR Csx/Mbta 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 March 2023.

How much traffic does HWY Rockland ST over RR Csx/Mbta carry?

About 11,300 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is HWY Rockland ST over RR Csx/Mbta?

The structure is 68 ft (20.7 m) long with a longest span of 63 ft (19.2 m) and a deck 39 ft wide.

Who owns HWY Rockland ST over RR Csx/Mbta?

It is owned by the State Highway Agency.