US Bridges

Alder Meadow Road over Schroon River

Good

Essex County, New York · .7 Mile S JCT I87 & SH 74 · Structure no. 000000003301910

Built
2004
21 years old
Condition
Good
inspected July 2024
Type
Truss - Thru
Steel
Length
94 ft
1 main span
Daily traffic
641
2016 count
Owner
County
County Highway Agency

About this bridge

Alder Meadow Road over Schroon River is a steel truss - thru carrying Alder Meadow Road over Schroon River in Essex County, New York. It was built in 2004, so it is 21 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 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 641 vehicles a day, roughly 5% of them trucks, projected to reach 897 by 2036. The structure is 94 ft (28.7 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesAlder Meadow Road
CrossesSchroon River
Location.7 Mile S JCT I87 & SH 74
Coordinates43.86345, -73.75218
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being 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 rating87 US tons
Inventory rating52 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length94 ft (28.7 m)
Longest span90 ft (27.4 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic641 (2016)
Projected traffic897 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$4.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Alder Meadow Road over Schroon River built?

It was built in 2004, making it 21 years old in 2025.

What condition is Alder Meadow Road over Schroon River 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 July 2024.

How much traffic does Alder Meadow Road over Schroon River carry?

About 641 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Alder Meadow Road over Schroon River?

The structure is 94 ft (28.7 m) long with a longest span of 90 ft (27.4 m) and a deck 27 ft wide.

Who owns Alder Meadow Road over Schroon River?

It is owned by the County Highway Agency.