US Bridges

Interstate 95 over Noroton River

Fair

Windham County, Connecticut · Stamford\darien Town Line · Structure no. 00039

Built
1958
67 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
53 ft
3 main spans
Daily traffic
123,700
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 95 over Noroton River is a concrete continuous culvert carrying Interstate 95 over Noroton River in Windham County, Connecticut. It was built in 1958, so it is 67 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 123,700 vehicles a day, roughly 9% of them trucks, projected to reach 183,806 by 2040. The structure is 53 ft (16.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 95
CrossesNoroton River
LocationStamford\darien Town Line
RouteInterstate 95
Coordinates41.0628, -73.5086
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable 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 spans3
Design loadH 20
Structure length53 ft (16.2 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic123,700 (2020)
Projected traffic183,806 by 2040
Trucks9%
Lanes on structure7
Traffic directionTwo-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 95 over Noroton River built?

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

What condition is Interstate 95 over Noroton 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 February 2024.

How much traffic does Interstate 95 over Noroton River carry?

About 123,700 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is Interstate 95 over Noroton River?

The structure is 53 ft (16.2 m) long with a longest span of 16 ft (4.9 m).

Who owns Interstate 95 over Noroton River?

It is owned by the State Highway Agency.