US Bridges

Interbrook Road over Johns Brook

Good

Essex County, New York · Keene Valley · Structure no. 000000003302440

Built
2019
6 years old
Condition
Good
inspected May 2023
Type
Tee Beam
Concrete
Length
67 ft
1 main span
Daily traffic
563
2017 count
Owner
County
County Highway Agency

About this bridge

Interbrook Road over Johns Brook is a concrete tee beam carrying Interbrook Road over Johns Brook in Essex County, New York. It was built in 2019, so it is 6 years old, younger than the New York average of 53 years.

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

It carries about 563 vehicles a day, roughly 10% of them trucks, projected to reach 788 by 2037. The structure is 67 ft (20.4 m) long and 27 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesInterbrook Road
CrossesJohns Brook
LocationKeene Valley
Coordinates44.18965, -73.79864
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating42.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length67 ft (20.4 m)
Longest span66 ft (20.1 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic563 (2017)
Projected traffic788 by 2037
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Interbrook Road over Johns Brook built?

It was built in 2019, making it 6 years old in 2025.

What condition is Interbrook Road over Johns 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 Interbrook Road over Johns Brook carry?

About 563 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is Interbrook Road over Johns Brook?

The structure is 67 ft (20.4 m) long with a longest span of 66 ft (20.1 m) and a deck 27 ft wide.

Who owns Interbrook Road over Johns Brook?

It is owned by the County Highway Agency.