US Bridges

Interstate 84 over Beaver Brook

Fair

Fairfield County, Connecticut · 0.5 Mile West of Route 7 · Structure no. 00546

Built
1962
63 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
120,000
2021 count
Owner
State
State Highway Agency

About this bridge

Interstate 84 over Beaver Brook is a concrete continuous culvert carrying Interstate 84 over Beaver Brook in Fairfield County, Connecticut. It was built in 1962, 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 120,000 vehicles a day, roughly 9% of them trucks, projected to reach 178,308 by 2041. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 84
CrossesBeaver Brook
Location0.5 Mile West of Route 7
RouteInterstate 84
Coordinates41.41755, -73.42748
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 inspectionNovember 2023
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 spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120,000 (2021)
Projected traffic178,308 by 2041
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 84 over Beaver Brook built?

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

What condition is Interstate 84 over Beaver 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 November 2023.

How much traffic does Interstate 84 over Beaver Brook carry?

About 120,000 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Interstate 84 over Beaver Brook?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns Interstate 84 over Beaver Brook?

It is owned by the State Highway Agency.