US Bridges

Crosby ST Connecto over Still River

Good

Fairfield County, Connecticut · 350 East of Route 53 · Structure no. 06183

Built
1963
62 years old, rebuilt 2020
Condition
Good
inspected April 2024
Type
Slab
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
3,226
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Crosby ST Connecto over Still River is a prestressed concrete slab carrying Crosby ST Connecto over Still River in Fairfield County, Connecticut. It was built in 1963 and reconstructed in 2020, so it is 62 years old, older than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,226 vehicles a day, roughly 2% of them trucks, projected to reach 4,794 by 2044. The structure is 41 ft (12.5 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCrosby ST Connecto
CrossesStill River
Location350 East of Route 53
RouteCity Street 0
Coordinates41.39713, -73.45411
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating54.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length41 ft (12.5 m)
Longest span38 ft (11.6 m)
Deck width45 ft (13.6 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,226 (2024)
Projected traffic4,794 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-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$1.4 million (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Crosby ST Connecto over Still River built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2020.

What condition is Crosby ST Connecto over Still River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does Crosby ST Connecto over Still River carry?

About 3,226 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Crosby ST Connecto over Still River?

The structure is 41 ft (12.5 m) long with a longest span of 38 ft (11.6 m) and a deck 45 ft wide.

Who owns Crosby ST Connecto over Still River?

It is owned by the City or Municipal Highway Agency.