US Bridges

Autumn Ridge Road over Farm Brook

Good

New Haven County, Connecticut · 154 Ft E of Paradise Ave · Structure no. 06827

Built
1991
34 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
200
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

Autumn Ridge Road over Farm Brook is a concrete culvert carrying Autumn Ridge Road over Farm Brook in New Haven County, Connecticut. It was built in 1991, so it is 34 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 200 vehicles a day, roughly 4% of them trucks, projected to reach 297 by 2032. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAutumn Ridge Road
CrossesFarm Brook
Location154 Ft E of Paradise Ave
RouteCity Street 0
Coordinates41.38293, -72.93427
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2012)
Projected traffic297 by 2032
Trucks4%
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 Autumn Ridge Road over Farm Brook built?

It was built in 1991, making it 34 years old in 2025.

What condition is Autumn Ridge Road over Farm Brook 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 January 2024.

How much traffic does Autumn Ridge Road over Farm Brook carry?

About 200 vehicles per day (2012 count), of which roughly 4% are trucks.

How long is Autumn Ridge Road over Farm Brook?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m).

Who owns Autumn Ridge Road over Farm Brook?

It is owned by the City or Municipal Highway Agency.