US Bridges

ST112 Main ST over Water North River

Fair

Franklin County, Massachusetts · At Int. W/ Charlemont Rd. · Structure no. C180120KLDOTNBI

Built
1955
70 years old, rebuilt 2005
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
137 ft
1 main span
Daily traffic
1,552
2017 count
Owner
State
State Highway Agency

About this bridge

ST112 Main ST over Water North River is a steel stringer/multi-beam or girder carrying ST112 Main ST over Water North River in Franklin County, Massachusetts. It was built in 1955 and reconstructed in 2005, so it is 70 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 1,552 vehicles a day, roughly 6% of them trucks, projected to reach 2,369 by 2032. The structure is 137 ft (41.9 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesST112 Main ST
CrossesWater North River
LocationAt Int. W/ Charlemont Rd.
RouteState Highway 112
CountyFranklin County
StateMassachusetts
Coordinates42.63576, -72.73237
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating105.5 US tons
Inventory rating63.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length137 ft (41.9 m)
Longest span129 ft (39.4 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,552 (2017)
Projected traffic2,369 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$3.5 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST112 Main ST over Water North River built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2005.

What condition is ST112 Main ST over Water North River 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 November 2023.

How much traffic does ST112 Main ST over Water North River carry?

About 1,552 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is ST112 Main ST over Water North River?

The structure is 137 ft (41.9 m) long with a longest span of 129 ft (39.4 m) and a deck 35 ft wide.

Who owns ST112 Main ST over Water North River?

It is owned by the State Highway Agency.