US Bridges

Knotter Drive over Judd Brook

Good

New Haven County, Connecticut · 0.2 MI S of I-691 · Structure no. 05966

Built
1971
54 years old
Condition
Good
inspected May 2023
Type
Culvert
Steel
Length
32 ft
3 main spans
Daily traffic
3,638
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Knotter Drive over Judd Brook is a steel culvert carrying Knotter Drive over Judd Brook in New Haven County, Connecticut. It was built in 1971, so it is 54 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 3,638 vehicles a day, roughly 2% of them trucks, projected to reach 5,406 by 2043. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesKnotter Drive
CrossesJudd Brook
Location0.2 MI S of I-691
RouteCity Street 0
Coordinates41.55617, -72.91451
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating101.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,638 (2023)
Projected traffic5,406 by 2043
Trucks2%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Knotter Drive over Judd Brook built?

It was built in 1971, making it 54 years old in 2025.

What condition is Knotter Drive over Judd 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 May 2023.

How much traffic does Knotter Drive over Judd Brook carry?

About 3,638 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Knotter Drive over Judd Brook?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns Knotter Drive over Judd Brook?

It is owned by the Town or Township Highway Agency.