US Bridges

Route 8 Northbound over Naugatuck Railroad Co.

Fair

Litchfield County, Connecticut · 0.4 MI N of Route 222 · Structure no. 03355

Built
1966
59 years old, rebuilt 1994
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
240 ft
3 main spans
Daily traffic
11,800
2021 count
Owner
State
State Highway Agency

About this bridge

Route 8 Northbound over Naugatuck Railroad Co. is a steel stringer/multi-beam or girder carrying Route 8 Northbound over Naugatuck Railroad Co. in Litchfield County, Connecticut. It was built in 1966 and reconstructed in 1994, 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 11,800 vehicles a day, roughly 6% of them trucks, projected to reach 17,534 by 2041. The structure is 240 ft (73.1 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRoute 8 Northbound
CrossesNaugatuck Railroad Co.
Location0.4 MI N of Route 222
RouteState Highway 8
CountyLitchfield County
StateConnecticut
Coordinates41.6796, -73.06442
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length240 ft (73.1 m)
Longest span83 ft (25.3 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,800 (2021)
Projected traffic17,534 by 2041
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 8 Northbound over Naugatuck Railroad Co. built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1994.

What condition is Route 8 Northbound over Naugatuck Railroad Co. 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 September 2023.

How much traffic does Route 8 Northbound over Naugatuck Railroad Co. carry?

About 11,800 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Route 8 Northbound over Naugatuck Railroad Co.?

The structure is 240 ft (73.1 m) long with a longest span of 83 ft (25.3 m) and a deck 44 ft wide.

Who owns Route 8 Northbound over Naugatuck Railroad Co.?

It is owned by the State Highway Agency.