US Bridges

ST122 S Main ST over RR Gwrr

Fair

Franklin County, Massachusetts · 200 S JCT Main ST · Structure no. O0301414YDOT634

Built
1930
95 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
6,500
2023 count
Owner
State
State Highway Agency

About this bridge

ST122 S Main ST over RR Gwrr is a steel stringer/multi-beam or girder carrying ST122 S Main ST over RR Gwrr in Franklin County, Massachusetts. It was built in 1930, so it is 95 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 5 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 6,500 vehicles a day, roughly 8% of them trucks, projected to reach 14,500 by 2032. The structure is 37 ft (11.4 m) long and 56 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesST122 S Main ST
CrossesRR Gwrr
Location200 S JCT Main ST
RouteState Highway 122
CountyFranklin County
StateMassachusetts
Coordinates42.59022, -72.30961
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating45.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length37 ft (11.4 m)
Longest span35 ft (10.7 m)
Deck width56 ft (17.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (2023)
Projected traffic14,500 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST122 S Main ST over RR Gwrr built?

It was built in 1930, making it 95 years old in 2025.

What condition is ST122 S Main 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 October 2023.

How much traffic does ST122 S Main ST over RR Gwrr carry?

About 6,500 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is ST122 S Main ST over RR Gwrr?

The structure is 37 ft (11.4 m) long with a longest span of 35 ft (10.7 m) and a deck 56 ft wide.

Who owns ST122 S Main ST over RR Gwrr?

It is owned by the State Highway Agency.