US Bridges

ST116 S Deerfld RD over Water South River

Fair

Franklin County, Massachusetts · .1 MI West of Elm Street · Structure no. C200120K6DOTNBI

Built
1925
100 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
45 ft
1 main span
Daily traffic
4,008
2024 count
Owner
State
State Highway Agency

About this bridge

ST116 S Deerfld RD over Water South River is a concrete tee beam carrying ST116 S Deerfld RD over Water South River in Franklin County, Massachusetts. It was built in 1925, so it is 100 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 4,008 vehicles a day, roughly 10% of them trucks, projected to reach 6,633 by 2031. The structure is 45 ft (13.7 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesST116 S Deerfld RD
CrossesWater South River
Location.1 MI West of Elm Street
RouteState Highway 116
CountyFranklin County
StateMassachusetts
Coordinates42.50889, -72.69806
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating35.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length45 ft (13.7 m)
Longest span40 ft (12.2 m)
Deck width39 ft (11.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,008 (2024)
Projected traffic6,633 by 2031
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$1.6 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1925, making it 100 years old in 2025.

What condition is ST116 S Deerfld RD over Water South 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 2024.

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

About 4,008 vehicles per day (2024 count), of which roughly 10% are trucks.

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

The structure is 45 ft (13.7 m) long with a longest span of 40 ft (12.2 m) and a deck 39 ft wide.

Who owns ST116 S Deerfld RD over Water South River?

It is owned by the State Highway Agency.