US Bridges

HWY Silver ST over RR Gwrr

FairPosted for load

Franklin County, Massachusetts · .3 M E JCT Conway St. · Structure no. G12036143DOT634

Built
1951
74 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
14,483
2019 count
Owner
State
State Highway Agency

About this bridge

HWY Silver ST over RR Gwrr is a steel stringer/multi-beam or girder carrying HWY Silver ST over RR Gwrr in Franklin County, Massachusetts. It was built in 1951, so it is 74 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. Its operating status is: posted for load restriction.

It carries about 14,483 vehicles a day, roughly 4% of them trucks, projected to reach 17,530 by 2032. The structure is 60 ft (18.3 m) long and 60 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHWY Silver ST
CrossesRR Gwrr
Location.3 M E JCT Conway St.
RouteCity Street 0
Coordinates42.60649, -72.60607
Functional classUrban Minor 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.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.2 US tons
Inventory rating24 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length60 ft (18.3 m)
Longest span56 ft (17.2 m)
Deck width60 ft (18.2 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,483 (2019)
Projected traffic17,530 by 2032
Trucks4%
Lanes on structure2
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.4 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY Silver ST over RR Gwrr built?

It was built in 1951, making it 74 years old in 2025.

What condition is HWY Silver ST over RR Gwrr 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 December 2023.

How much traffic does HWY Silver ST over RR Gwrr carry?

About 14,483 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is HWY Silver ST over RR Gwrr?

The structure is 60 ft (18.3 m) long with a longest span of 56 ft (17.2 m) and a deck 60 ft wide.

Who owns HWY Silver ST over RR Gwrr?

It is owned by the State Highway Agency.