US Bridges

ST 16 Washngton ST over ST 9 Worcester ST

Fair

Norfolk County, Massachusetts · Rt 16 at Rt 9 · Structure no. W130142E9DOTNBI

Built
1932
93 years old, rebuilt 2009
Condition
Fair
inspected March 2023
Type
Girder and Floorbeam System
Steel
Length
150 ft
2 main spans
Daily traffic
37,800
2023 count
Owner
State
State Highway Agency

About this bridge

ST 16 Washngton ST over ST 9 Worcester ST is a steel girder and floorbeam system carrying ST 16 Washngton ST over ST 9 Worcester ST in Norfolk County, Massachusetts. It was built in 1932 and reconstructed in 2009, 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 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 37,800 vehicles a day, roughly 3% of them trucks, projected to reach 85,440 by 2032. The structure is 150 ft (45.7 m) long and 61 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesST 16 Washngton ST
CrossesST 9 Worcester ST
LocationRt 16 at Rt 9
RouteState Highway 16
CountyNorfolk County
StateMassachusetts
Coordinates42.31419, -71.27231
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.9 US tons
Inventory rating49.1 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span75 ft (22.9 m)
Deck width61 ft (18.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,800 (2023)
Projected traffic85,440 by 2032
Trucks3%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$6.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST 16 Washngton ST over ST 9 Worcester ST built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 2009.

What condition is ST 16 Washngton ST over ST 9 Worcester ST 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 March 2023.

How much traffic does ST 16 Washngton ST over ST 9 Worcester ST carry?

About 37,800 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is ST 16 Washngton ST over ST 9 Worcester ST?

The structure is 150 ft (45.7 m) long with a longest span of 75 ft (22.9 m) and a deck 61 ft wide.

Who owns ST 16 Washngton ST over ST 9 Worcester ST?

It is owned by the State Highway Agency.