US Bridges

ST116 S Deerfld RD over Water Mill River

Fair

Franklin County, Massachusetts · .2 M W Deerfield Town Lin · Structure no. C200200K5DOTNBI

Built
1917
108 years old, rebuilt 1933
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
3,621
2017 count
Owner
State
State Highway Agency

About this bridge

ST116 S Deerfld RD over Water Mill River is a concrete slab carrying ST116 S Deerfld RD over Water Mill River in Franklin County, Massachusetts. It was built in 1917 and reconstructed in 1933, so it is 108 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 3,621 vehicles a day, roughly 7% of them trucks, projected to reach 6,633 by 2032. The structure is 24 ft (7.3 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesST116 S Deerfld RD
CrossesWater Mill River
Location.2 M W Deerfield Town Lin
RouteState Highway 116
Coordinates42.50689, -72.65344
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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating51 US tons
Inventory rating30.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length24 ft (7.3 m)
Longest span21 ft (6.4 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,621 (2017)
Projected traffic6,633 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$959,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST116 S Deerfld RD over Water Mill River built?

It was built in 1917, making it 108 years old in 2025. It was reconstructed in 1933.

What condition is ST116 S Deerfld RD 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 March 2023.

How much traffic does ST116 S Deerfld RD over Water Mill River carry?

About 3,621 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is ST116 S Deerfld RD over Water Mill River?

The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.4 m) and a deck 40 ft wide.

Who owns ST116 S Deerfld RD over Water Mill River?

It is owned by the State Highway Agency.