US Bridges

INTERSTATE-95 NB over Stony Brook

Fair

New London County, Connecticut · 0.6 MI N of Route 234 · Structure no. 01800

Built
1964
61 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
17,500
2020 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-95 NB over Stony Brook is a concrete continuous culvert carrying INTERSTATE-95 NB over Stony Brook in New London County, Connecticut. It was built in 1964, so it is 61 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 17,500 vehicles a day, roughly 14% of them trucks, projected to reach 26,003 by 2040. The structure is 32 ft (9.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesINTERSTATE-95 NB
CrossesStony Brook
Location0.6 MI N of Route 234
RouteInterstate 95
CountyNew London County
StateConnecticut
Coordinates41.37765, -71.9067
Functional classUrban 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length32 ft (9.7 m)
Longest span15 ft (4.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,500 (2020)
Projected traffic26,003 by 2040
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-95 NB over Stony Brook built?

It was built in 1964, making it 61 years old in 2025.

What condition is INTERSTATE-95 NB over 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 January 2024.

How much traffic does INTERSTATE-95 NB over Stony Brook carry?

About 17,500 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is INTERSTATE-95 NB over Stony Brook?

The structure is 32 ft (9.7 m) long with a longest span of 15 ft (4.5 m).

Who owns INTERSTATE-95 NB over Stony Brook?

It is owned by the State Highway Agency.