US Bridges

SR 853 over Naugatuck River S Div ST

Fair

New Haven County, Connecticut · 0.1 MI W of Route 115 · Structure no. 04183

Built
2004
21 years old
Condition
Fair
inspected February 2023
Type
Box Beam or Girders - Single or Spread
Steel Continuous
Length
458 ft
2 main spans
Daily traffic
14,700
2021 count
Owner
State
State Highway Agency

About this bridge

SR 853 over Naugatuck River S Div ST is a steel continuous box beam or girders - single or spread carrying SR 853 over Naugatuck River S Div ST in New Haven County, Connecticut. It was built in 2004, so it is 21 years old, younger 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 14,700 vehicles a day, roughly 5% of them trucks, projected to reach 21,843 by 2041. The structure is 458 ft (139.6 m) long and 65 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 853
CrossesNaugatuck River S Div ST
Location0.1 MI W of Route 115
RouteState Highway 853
CountyNew Haven County
StateConnecticut
Coordinates41.33081, -73.07894
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating34.6 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length458 ft (139.6 m)
Longest span260 ft (79.2 m)
Deck width65 ft (19.9 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,700 (2021)
Projected traffic21,843 by 2041
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 SR 853 over Naugatuck River S Div ST built?

It was built in 2004, making it 21 years old in 2025.

What condition is SR 853 over Naugatuck River S Div ST 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 2023.

How much traffic does SR 853 over Naugatuck River S Div ST carry?

About 14,700 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is SR 853 over Naugatuck River S Div ST?

The structure is 458 ft (139.6 m) long with a longest span of 260 ft (79.2 m) and a deck 65 ft wide.

Who owns SR 853 over Naugatuck River S Div ST?

It is owned by the State Highway Agency.