US Bridges

HWY Belgrade Ave over RR MBTA

Fair

Suffolk County, Massachusetts · Just S of Holy Name Rot · Structure no. B1611538GMUNNBI

Built
1918
107 years old, rebuilt 1997
Condition
Fair
inspected February 2024
Type
Slab
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
10,200
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

HWY Belgrade Ave over RR MBTA is a prestressed concrete slab carrying HWY Belgrade Ave over RR MBTA in Suffolk County, Massachusetts. It was built in 1918 and reconstructed in 1997, so it is 107 years old, older 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 10,200 vehicles a day, roughly 5% of them trucks, projected to reach 22,900 by 2033. The structure is 43 ft (13.1 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY Belgrade Ave
CrossesRR MBTA
LocationJust S of Holy Name Rot
RouteCity Street 0
Coordinates42.28632, -71.14963
Functional classUrban Other Principal 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.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating102.5 US tons
Inventory rating74.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span39 ft (11.8 m)
Deck width62 ft (19 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,200 (2024)
Projected traffic22,900 by 2033
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$361,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Belgrade Ave over RR MBTA built?

It was built in 1918, making it 107 years old in 2025. It was reconstructed in 1997.

What condition is HWY Belgrade Ave over RR MBTA 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 February 2024.

How much traffic does HWY Belgrade Ave over RR MBTA carry?

About 10,200 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is HWY Belgrade Ave over RR MBTA?

The structure is 43 ft (13.1 m) long with a longest span of 39 ft (11.8 m) and a deck 62 ft wide.

Who owns HWY Belgrade Ave over RR MBTA?

It is owned by the City or Municipal Highway Agency.