US Bridges

Greenough Road over Schroon River

Fair

Essex County, New York · 5 Miles N of North Hudson · Structure no. 000000003301930

Built
2007
18 years old
Condition
Fair
inspected June 2023
Type
Truss - Thru
Steel
Length
53 ft
1 main span
Daily traffic
13
2021 count
Owner
County
County Highway Agency

About this bridge

Greenough Road over Schroon River is a steel truss - thru carrying Greenough Road over Schroon River in Essex County, New York. It was built in 2007, so it is 18 years old, younger than the New York average of 53 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 13 vehicles a day, roughly 10% of them trucks, projected to reach 18 by 2041. The structure is 53 ft (16.2 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesGreenough Road
CrossesSchroon River
Location5 Miles N of North Hudson
Coordinates44.01732, -73.68788
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating92 US tons
Inventory rating45 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span50 ft (15.2 m)
Deck width16 ft (4.8 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13 (2021)
Projected traffic18 by 2041
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Greenough Road over Schroon River built?

It was built in 2007, making it 18 years old in 2025.

What condition is Greenough Road over Schroon River 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 June 2023.

How much traffic does Greenough Road over Schroon River carry?

About 13 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Greenough Road over Schroon River?

The structure is 53 ft (16.2 m) long with a longest span of 50 ft (15.2 m) and a deck 16 ft wide.

Who owns Greenough Road over Schroon River?

It is owned by the County Highway Agency.