US Bridges

Montcalm Street over Lachute River

Fair

Essex County, New York · Ticonderoga · Structure no. 000000003301890

Built
1918
107 years old
Condition
Fair
inspected July 2024
Type
Arch - Deck
Concrete
Length
77 ft
2 main spans
Daily traffic
6,851
2016 count
Owner
County
County Highway Agency

About this bridge

Montcalm Street over Lachute River is a concrete arch - deck carrying Montcalm Street over Lachute River in Essex County, New York. It was built in 1918, so it is 107 years old, older 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 5 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 6,851 vehicles a day, roughly 4% of them trucks, projected to reach 9,591 by 2036. The structure is 77 ft (23.5 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMontcalm Street
CrossesLachute River
LocationTiconderoga
Coordinates43.84833, -73.42746
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating49.1 US tons
Inventory rating13.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length77 ft (23.5 m)
Longest span31 ft (9.4 m)
Deck width48 ft (14.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,851 (2016)
Projected traffic9,591 by 2036
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$3.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Montcalm Street over Lachute River built?

It was built in 1918, making it 107 years old in 2025.

What condition is Montcalm Street over Lachute 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 July 2024.

How much traffic does Montcalm Street over Lachute River carry?

About 6,851 vehicles per day (2016 count), of which roughly 4% are trucks.

How long is Montcalm Street over Lachute River?

The structure is 77 ft (23.5 m) long with a longest span of 31 ft (9.4 m) and a deck 48 ft wide.

Who owns Montcalm Street over Lachute River?

It is owned by the County Highway Agency.