US Bridges

Kennedy Avenue over Still River

Poor

Fairfield County, Connecticut · I-84 Exit 5 to RTE 53 S · Structure no. 04176

Built
1964
61 years old
Condition
Poor
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
6,500
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Kennedy Avenue over Still River is a prestressed concrete box beam or girders - multiple carrying Kennedy Avenue over Still River in Fairfield County, Connecticut. It was built in 1964, so it is 61 years old, older than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 6,500 vehicles a day, roughly 5% of them trucks, projected to reach 9,658 by 2044. The structure is 43 ft (13.1 m) long and 247 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesKennedy Avenue
CrossesStill River
LocationI-84 Exit 5 to RTE 53 S
RouteCity Street 0
Coordinates41.39653, -73.45527
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating32.2 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span39 ft (11.9 m)
Deck width247 ft (75.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (2024)
Projected traffic9,658 by 2044
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.5 million (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Kennedy Avenue over Still River built?

It was built in 1964, making it 61 years old in 2025.

What condition is Kennedy Avenue over Still River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does Kennedy Avenue over Still River carry?

About 6,500 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Kennedy Avenue over Still River?

The structure is 43 ft (13.1 m) long with a longest span of 39 ft (11.9 m) and a deck 247 ft wide.

Who owns Kennedy Avenue over Still River?

It is owned by the City or Municipal Highway Agency.