US Bridges

INTERSTATE-84 over Welton Brook

Fair

New Haven County, Connecticut · 0.8 MI East Middlebury Tl · Structure no. 03202

Built
1965
60 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
77,100
2021 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-84 over Welton Brook is a concrete continuous culvert carrying INTERSTATE-84 over Welton Brook in New Haven County, Connecticut. It was built in 1965, so it is 60 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 77,100 vehicles a day, roughly 14% of them trucks, projected to reach 114,563 by 2041. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesINTERSTATE-84
CrossesWelton Brook
Location0.8 MI East Middlebury Tl
RouteInterstate 84
CountyNew Haven County
StateConnecticut
Coordinates41.5433, -73.07485
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 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 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 loadUnknown
Structure length24 ft (7.3 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 traffic77,100 (2021)
Projected traffic114,563 by 2041
Trucks14%
Lanes on structure4
Traffic directionTwo-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-84 over Welton Brook built?

It was built in 1965, making it 60 years old in 2025.

What condition is INTERSTATE-84 over Welton 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 February 2024.

How much traffic does INTERSTATE-84 over Welton Brook carry?

About 77,100 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is INTERSTATE-84 over Welton Brook?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).

Who owns INTERSTATE-84 over Welton Brook?

It is owned by the State Highway Agency.