US Bridges

INTERSTATE-395 NB over Whetstone Brook

Fair

Windham County, Connecticut · .6 Mile S of Route 101 · Structure no. 01440

Built
1962
63 years old, rebuilt 1993
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
90 ft
1 main span
Daily traffic
15,100
2017 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-395 NB over Whetstone Brook is a steel stringer/multi-beam or girder carrying INTERSTATE-395 NB over Whetstone Brook in Windham County, Connecticut. It was built in 1962 and reconstructed in 1993, so it is 63 years old, older than the Connecticut average of 56.7 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 15,100 vehicles a day, roughly 10% of them trucks, projected to reach 22,437 by 2037. The structure is 90 ft (27.4 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesINTERSTATE-395 NB
CrossesWhetstone Brook
Location.6 Mile S of Route 101
RouteInterstate 395
CountyWindham County
StateConnecticut
Coordinates41.83197, -71.87472
Functional classRural Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating50.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span83 ft (25.3 m)
Deck width45 ft (13.6 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,100 (2017)
Projected traffic22,437 by 2037
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was INTERSTATE-395 NB over Whetstone Brook built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1993.

What condition is INTERSTATE-395 NB over Whetstone 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 January 2025.

How much traffic does INTERSTATE-395 NB over Whetstone Brook carry?

About 15,100 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is INTERSTATE-395 NB over Whetstone Brook?

The structure is 90 ft (27.4 m) long with a longest span of 83 ft (25.3 m) and a deck 45 ft wide.

Who owns INTERSTATE-395 NB over Whetstone Brook?

It is owned by the State Highway Agency.