US Bridges

Laurel Avenue over Rooster River Conduit

Fair

Fairfield County, Connecticut · 300 East of Route 59 · Structure no. 06146

Built
1984
41 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
6,212
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Laurel Avenue over Rooster River Conduit is a concrete continuous culvert carrying Laurel Avenue over Rooster River Conduit in Fairfield County, Connecticut. It was built in 1984, so it is 41 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 6,212 vehicles a day, roughly 3% of them trucks, projected to reach 9,230 by 2043. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLaurel Avenue
CrossesRooster River Conduit
Location300 East of Route 59
RouteCity Street 0
Coordinates41.18364, -73.2159
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckOther
Main spans2
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,212 (2023)
Projected traffic9,230 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Laurel Avenue over Rooster River Conduit built?

It was built in 1984, making it 41 years old in 2025.

What condition is Laurel Avenue over Rooster River Conduit 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 April 2023.

How much traffic does Laurel Avenue over Rooster River Conduit carry?

About 6,212 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Laurel Avenue over Rooster River Conduit?

The structure is 35 ft (10.7 m) long with a longest span of 16 ft (4.9 m).

Who owns Laurel Avenue over Rooster River Conduit?

It is owned by the City or Municipal Highway Agency.