US Bridges

RTE 74 over Schroon River

Poor

Essex County, New York · JCT Rt 74 & Schroon R · Structure no. 000000001029650

Built
1936
89 years old, rebuilt 1983
Condition
Poor
inspected June 2024
Type
Truss - Thru
Steel
Length
123 ft
1 main span
Daily traffic
1,844
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 74 over Schroon River is a steel truss - thru carrying RTE 74 over Schroon River in Essex County, New York. It was built in 1936 and reconstructed in 1983, so it is 89 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,844 vehicles a day, roughly 14% of them trucks, projected to reach 1,966 by 2041. The structure is 123 ft (37.5 m) long and 27 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesRTE 74
CrossesSchroon River
LocationJCT Rt 74 & Schroon R
RouteState Highway 74
Coordinates43.87443, -73.74116
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating45 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length123 ft (37.5 m)
Longest span122 ft (37.2 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,844 (2020)
Projected traffic1,966 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$5.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 74 over Schroon River built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1983.

What condition is RTE 74 over Schroon River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does RTE 74 over Schroon River carry?

About 1,844 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is RTE 74 over Schroon River?

The structure is 123 ft (37.5 m) long with a longest span of 122 ft (37.2 m) and a deck 27 ft wide.

Who owns RTE 74 over Schroon River?

It is owned by the State Highway Agency.