US Bridges

Astoria Avenue over Rooster River Overflow

Good

Fairfield County, Connecticut · 0.2 MI E of Route 59 · Structure no. 04947

Built
2000
25 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
310
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Astoria Avenue over Rooster River Overflow is a concrete culvert carrying Astoria Avenue over Rooster River Overflow in Fairfield County, Connecticut. It was built in 2000, so it is 25 years old, younger 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 310 vehicles a day, roughly 3% of them trucks, projected to reach 461 by 2043. The structure is 21 ft (6.4 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAstoria Avenue
CrossesRooster River Overflow
Location0.2 MI E of Route 59
RouteCity Street 0
Coordinates41.18646, -73.21615
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckOther
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width51 ft (15.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic310 (2023)
Projected traffic461 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRelief for waterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Astoria Avenue over Rooster River Overflow built?

It was built in 2000, making it 25 years old in 2025.

What condition is Astoria Avenue over Rooster River Overflow 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 2023.

How much traffic does Astoria Avenue over Rooster River Overflow carry?

About 310 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Astoria Avenue over Rooster River Overflow?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 51 ft wide.

Who owns Astoria Avenue over Rooster River Overflow?

It is owned by the City or Municipal Highway Agency.