US Bridges

Route 8 Southbound over Naugatuck River & Access

Fair

Litchfield County, Connecticut · .64 MI North of US RTE 6 · Structure no. 03356

Built
1966
59 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
343 ft
3 main spans
Daily traffic
10,700
2021 count
Owner
State
State Highway Agency

About this bridge

Route 8 Southbound over Naugatuck River & Access is a steel stringer/multi-beam or girder carrying Route 8 Southbound over Naugatuck River & Access in Litchfield 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 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 10,700 vehicles a day, roughly 5% of them trucks, projected to reach 15,899 by 2041. The structure is 343 ft (104.5 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 8 Southbound
CrossesNaugatuck River & Access
Location.64 MI North of US RTE 6
RouteState Highway 8
Coordinates41.68077, -73.06562
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating65 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length343 ft (104.5 m)
Longest span111 ft (33.8 m)
Deck width44 ft (13.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,700 (2021)
Projected traffic15,899 by 2041
Trucks5%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 8 Southbound over Naugatuck River & Access built?

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

What condition is Route 8 Southbound over Naugatuck River & Access 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 December 2024.

How much traffic does Route 8 Southbound over Naugatuck River & Access carry?

About 10,700 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Route 8 Southbound over Naugatuck River & Access?

The structure is 343 ft (104.5 m) long with a longest span of 111 ft (33.8 m) and a deck 44 ft wide.

Who owns Route 8 Southbound over Naugatuck River & Access?

It is owned by the State Highway Agency.