US Bridges

SR 848 (waterbury over Naugatuck River & RR

FairPosted for load

Litchfield County, Connecticut · Off Exit 38 Route 8 · Structure no. 00603

Built
1928
97 years old, rebuilt 2015
Condition
Fair
inspected February 2024
Type
Arch - Deck
Concrete
Length
488 ft
3 main spans
Daily traffic
2,500
2017 count
Owner
State
State Highway Agency

About this bridge

SR 848 (waterbury over Naugatuck River & RR is a concrete arch - deck carrying SR 848 (waterbury over Naugatuck River & RR in Litchfield County, Connecticut. It was built in 1928 and reconstructed in 2015, so it is 97 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. Its operating status is: posted for load restriction.

It carries about 2,500 vehicles a day, roughly 5% of them trucks, projected to reach 3,715 by 2037. The structure is 488 ft (148.6 m) long and 42 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSR 848 (waterbury
CrossesNaugatuck River & RR
LocationOff Exit 38 Route 8
RouteState Highway 848
Coordinates41.65297, -73.07702
Functional classUrban Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating28.2 US tons
Inventory rating10.4 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3 (+8 approach)
Design loadH 15
Structure length488 ft (148.6 m)
Longest span180 ft (55 m)
Deck width42 ft (12.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2017)
Projected traffic3,715 by 2037
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 848 (waterbury over Naugatuck River & RR built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 2015.

What condition is SR 848 (waterbury 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 February 2024.

How much traffic does SR 848 (waterbury over Naugatuck River & RR carry?

About 2,500 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is SR 848 (waterbury over Naugatuck River & RR?

The structure is 488 ft (148.6 m) long with a longest span of 180 ft (55 m) and a deck 42 ft wide.

Who owns SR 848 (waterbury over Naugatuck River & RR?

It is owned by the State Highway Agency.