US Bridges

INTERSTATE-95 over Keeler Brook

Fair

Fairfield County, Connecticut · 0.75 Mile N. of Darien Tl · Structure no. 02569

Built
1958
67 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
115,900
2020 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-95 over Keeler Brook is a concrete continuous culvert carrying INTERSTATE-95 over Keeler Brook in Fairfield 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 115,900 vehicles a day, roughly 9% of them trucks, projected to reach 172,216 by 2040. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesINTERSTATE-95
CrossesKeeler Brook
Location0.75 Mile N. of Darien Tl
RouteInterstate 95
Coordinates41.09648, -73.44323
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 rating106 US tons
Inventory rating81.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length24 ft (7.3 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115,900 (2020)
Projected traffic172,216 by 2040
Trucks9%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Keeler Brook built?

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

What condition is INTERSTATE-95 over Keeler 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 March 2024.

How much traffic does INTERSTATE-95 over Keeler Brook carry?

About 115,900 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is INTERSTATE-95 over Keeler Brook?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m).

Who owns INTERSTATE-95 over Keeler Brook?

It is owned by the State Highway Agency.