US Bridges

ST 16 Washngton ST over TR Green Line D

Fair

Middlesex County, Massachusetts · Over Green Line · Structure no. N120424U4MBTNBI

Built
1850
175 years old, rebuilt 1976
Condition
Fair
inspected October 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
50,300
2022 count
Owner
State
Other State Agency

About this bridge

ST 16 Washngton ST over TR Green Line D is a steel stringer/multi-beam or girder carrying ST 16 Washngton ST over TR Green Line D in Middlesex County, Massachusetts. It was built in 1850 and reconstructed in 1976, so it is 175 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 50,300 vehicles a day, projected to reach 21,478 by 2032. The structure is 38 ft (11.6 m) long and 57 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesST 16 Washngton ST
CrossesTR Green Line D
LocationOver Green Line
RouteState Highway 16
CountyMiddlesex County
StateMassachusetts
Coordinates42.33368, -71.24495
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.7 US tons
Inventory rating47.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span33 ft (10.2 m)
Deck width57 ft (17.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,300 (2022)
Projected traffic21,478 by 2032
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 16 Washngton ST over TR Green Line D built?

It was built in 1850, making it 175 years old in 2025. It was reconstructed in 1976.

What condition is ST 16 Washngton ST over TR Green Line D 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 October 2022.

How much traffic does ST 16 Washngton ST over TR Green Line D carry?

About 50,300 vehicles per day (2022 count).

How long is ST 16 Washngton ST over TR Green Line D?

The structure is 38 ft (11.6 m) long with a longest span of 33 ft (10.2 m) and a deck 57 ft wide.

Who owns ST 16 Washngton ST over TR Green Line D?

It is owned by the Other State Agency and maintained by the State Highway Agency.