US Bridges

Route 8 Northbound over Naugatuck River & RR

Fair

Litchfield County, Connecticut · 1.0 MI N of Campville RD · Structure no. 00608

Built
1960
65 years old, rebuilt 2017
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
701 ft
3 main spans
Daily traffic
12,600
2021 count
Owner
State
State Highway Agency

About this bridge

Route 8 Northbound over Naugatuck River & RR is a steel continuous stringer/multi-beam or girder carrying Route 8 Northbound over Naugatuck River & RR in Litchfield County, Connecticut. It was built in 1960 and reconstructed in 2017, so it is 65 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 12,600 vehicles a day, roughly 6% of them trucks, projected to reach 18,722 by 2041. The structure is 701 ft (213.7 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 8 Northbound
CrossesNaugatuck River & RR
Location1.0 MI N of Campville RD
RouteState Highway 8
Coordinates41.73843, -73.11051
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+4 approach)
Design loadHS 20
Structure length701 ft (213.7 m)
Longest span160 ft (48.8 m)
Deck width37 ft (11.2 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,600 (2021)
Projected traffic18,722 by 2041
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 8 Northbound over Naugatuck River & RR built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2017.

What condition is Route 8 Northbound over Naugatuck River & RR 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 October 2023.

How much traffic does Route 8 Northbound over Naugatuck River & RR carry?

About 12,600 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Route 8 Northbound over Naugatuck River & RR?

The structure is 701 ft (213.7 m) long with a longest span of 160 ft (48.8 m) and a deck 37 ft wide.

Who owns Route 8 Northbound over Naugatuck River & RR?

It is owned by the State Highway Agency.