US Bridges

Route 8 Northbound over Naugatuck Rv-Local Roads

Fair

New Haven County, Connecticut · .27 MI North of Town Line · Structure no. 03177

Built
1966
59 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
606 ft
4 main spans
Daily traffic
26,900
2021 count
Owner
State
State Highway Agency

About this bridge

Route 8 Northbound over Naugatuck Rv-Local Roads is a steel continuous stringer/multi-beam or girder carrying Route 8 Northbound over Naugatuck Rv-Local Roads in New Haven County, Connecticut. It was built in 1966, so it is 59 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 5 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 26,900 vehicles a day, roughly 8% of them trucks, projected to reach 39,971 by 2041. The structure is 606 ft (184.7 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 8 Northbound
CrossesNaugatuck Rv-Local Roads
Location.27 MI North of Town Line
RouteState Highway 8
Coordinates41.51965, -73.0477
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating40.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length606 ft (184.7 m)
Longest span150 ft (45.7 m)
Deck width44 ft (13.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,900 (2021)
Projected traffic39,971 by 2041
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$5.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 8 Northbound over Naugatuck Rv-Local Roads built?

It was built in 1966, making it 59 years old in 2025.

What condition is Route 8 Northbound over Naugatuck Rv-Local Roads 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 Route 8 Northbound over Naugatuck Rv-Local Roads carry?

About 26,900 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Route 8 Northbound over Naugatuck Rv-Local Roads?

The structure is 606 ft (184.7 m) long with a longest span of 150 ft (45.7 m) and a deck 44 ft wide.

Who owns Route 8 Northbound over Naugatuck Rv-Local Roads?

It is owned by the State Highway Agency.