US Bridges

ST116 over Water Mill River

Fair

Hampshire County, Massachusetts · 1 M S Amherst-Hadly T.L. · Structure no. H010180VEDOTNBI

Built
1958
67 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
65 ft
3 main spans
Daily traffic
24,181
2015 count
Owner
State
State Highway Agency

About this bridge

ST116 over Water Mill River is a concrete continuous culvert carrying ST116 over Water Mill River in Hampshire County, Massachusetts. It was built in 1958, so it is 67 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 24,181 vehicles a day, roughly 7% of them trucks, projected to reach 23,279 by 2032. The structure is 65 ft (19.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesST116
CrossesWater Mill River
Location1 M S Amherst-Hadly T.L.
RouteState Highway 116
Coordinates42.38751, -72.54046
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: 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 rating110.1 US tons
Inventory rating82.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 20
Structure length65 ft (19.8 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,181 (2015)
Projected traffic23,279 by 2032
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$2.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST116 over Water Mill River built?

It was built in 1958, making it 67 years old in 2025.

What condition is ST116 over Water Mill 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 July 2023.

How much traffic does ST116 over Water Mill River carry?

About 24,181 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is ST116 over Water Mill River?

The structure is 65 ft (19.8 m) long with a longest span of 21 ft (6.4 m).

Who owns ST116 over Water Mill River?

It is owned by the State Highway Agency.