US Bridges

ST116 College ST over Water Stony Brook

FairPosted for load

Hampshire County, Massachusetts · .1 M N JCT Mosier St. · Structure no. S180060VHDOTNBI

Built
1950
75 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
54 ft
1 main span
Daily traffic
10,589
2017 count
Owner
State
State Highway Agency

About this bridge

ST116 College ST over Water Stony Brook is a steel stringer/multi-beam or girder carrying ST116 College ST over Water Stony Brook in Hampshire County, Massachusetts. It was built in 1950, so it is 75 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 10,589 vehicles a day, roughly 7% of them trucks, projected to reach 16,564 by 2031. The structure is 54 ft (16.5 m) long and 53 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesST116 College ST
CrossesWater Stony Brook
Location.1 M N JCT Mosier St.
RouteState Highway 116
CountyHampshire County
StateMassachusetts
Coordinates42.24617, -72.58069
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.
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.9 US tons
Inventory rating23.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length54 ft (16.5 m)
Longest span49 ft (15 m)
Deck width53 ft (16.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,589 (2017)
Projected traffic16,564 by 2031
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

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$2.7 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST116 College ST over Water Stony Brook built?

It was built in 1950, making it 75 years old in 2025.

What condition is ST116 College ST over Water Stony Brook 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 September 2024.

How much traffic does ST116 College ST over Water Stony Brook carry?

About 10,589 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is ST116 College ST over Water Stony Brook?

The structure is 54 ft (16.5 m) long with a longest span of 49 ft (15 m) and a deck 53 ft wide.

Who owns ST116 College ST over Water Stony Brook?

It is owned by the State Highway Agency.