US Bridges

HWY W Newton ST over TR Orange Line

Good

Suffolk County, Massachusetts · Boston · Structure no. B16496AAJMBTNBI

Built
1932
93 years old, rebuilt 1983
Condition
Good
inspected September 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
369 ft
1 main span
Daily traffic
24,209
1997 count
Owner
State
Other State Agency

About this bridge

HWY W Newton ST over TR Orange Line is a steel stringer/multi-beam or girder carrying HWY W Newton ST over TR Orange Line in Suffolk County, Massachusetts. It was built in 1932 and reconstructed in 1983, so it is 93 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 24,209 vehicles a day, roughly 5% of them trucks, projected to reach 38,233 by 2030. The structure is 369 ft (112.5 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY W Newton ST
CrossesTR Orange Line
LocationBoston
RouteCity Street 0
Coordinates42.34414, -71.08001
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 inspectionSeptember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating86.2 US tons
Inventory rating51.7 US tons

Structure

MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length369 ft (112.5 m)
Longest span72 ft (21.9 m)
Deck width80 ft (24.4 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,209 (1997)
Projected traffic38,233 by 2030
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byOther State Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY W Newton ST over TR Orange Line built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1983.

What condition is HWY W Newton ST over TR Orange Line 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 September 2022.

How much traffic does HWY W Newton ST over TR Orange Line carry?

About 24,209 vehicles per day (1997 count), of which roughly 5% are trucks.

How long is HWY W Newton ST over TR Orange Line?

The structure is 369 ft (112.5 m) long with a longest span of 72 ft (21.9 m) and a deck 80 ft wide.

Who owns HWY W Newton ST over TR Orange Line?

It is owned by the Other State Agency.