US Bridges

INTERSTATE-84 EB over I-84WB RTE8 Naugatuck Rv

Poor

New Haven County, Connecticut · I-84 Exit 20 · Structure no. 03191A

Built
1967
58 years old
Condition
Poor
inspected September 2022
Type
Girder and Floorbeam System
Steel Continuous
Length
3,766 ft
14 main spans
Daily traffic
63,000
2021 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-84 EB over I-84WB RTE8 Naugatuck Rv is a steel continuous girder and floorbeam system carrying INTERSTATE-84 EB over I-84WB RTE8 Naugatuck Rv in New Haven County, Connecticut. It was built in 1967, so it is 58 years old, older than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 63,000 vehicles a day, roughly 9% of them trucks, projected to reach 93,612 by 2041. The structure is 3,766 ft (1,147.9 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesINTERSTATE-84 EB
CrossesI-84WB RTE8 Naugatuck Rv
LocationI-84 Exit 20
RouteInterstate 84
Coordinates41.55176, -73.04805
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.2 US tons
Inventory rating36.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans14 (+32 approach)
Design loadHL 93
Structure length3,766 ft (1,147.9 m)
Longest span150 ft (45.7 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck17 ft (5.1 m)

Traffic and service

Average daily traffic63,000 (2021)
Projected traffic93,612 by 2041
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway, waterway and railroad
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$44 million
NavigationNo navigation control on waterway

Frequently asked questions

When was INTERSTATE-84 EB over I-84WB RTE8 Naugatuck Rv built?

It was built in 1967, making it 58 years old in 2025.

What condition is INTERSTATE-84 EB over I-84WB RTE8 Naugatuck Rv in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2022.

How much traffic does INTERSTATE-84 EB over I-84WB RTE8 Naugatuck Rv carry?

About 63,000 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is INTERSTATE-84 EB over I-84WB RTE8 Naugatuck Rv?

The structure is 3,766 ft (1,147.9 m) long with a longest span of 150 ft (45.7 m) and a deck 35 ft wide.

Who owns INTERSTATE-84 EB over I-84WB RTE8 Naugatuck Rv?

It is owned by the State Highway Agency.