US Bridges

RTE 9 over Great Chazy River

Poor

Clinton County, New York · In Champlain · Structure no. 000000001006060

Built
1932
93 years old, rebuilt 2008
Condition
Poor
inspected May 2023
Type
Truss - Thru
Steel
Length
126 ft
1 main span
Daily traffic
1,751
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 9 over Great Chazy River is a steel truss - thru carrying RTE 9 over Great Chazy River in Clinton County, New York. It was built in 1932 and reconstructed in 2008, so it is 93 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 1,751 vehicles a day, roughly 12% of them trucks, projected to reach 1,826 by 2041. The structure is 126 ft (38.4 m) long and 26 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE 9
CrossesGreat Chazy River
LocationIn Champlain
RouteU.S. Route 9
CountyClinton County
StateNew York
Coordinates44.98709, -73.44906
Functional classRural Major Collector

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating108.8 US tons
Inventory rating36 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length126 ft (38.4 m)
Longest span120 ft (36.6 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,751 (2020)
Projected traffic1,826 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$4.6 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 9 over Great Chazy River built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 2008.

What condition is RTE 9 over Great Chazy 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 May 2023.

How much traffic does RTE 9 over Great Chazy River carry?

About 1,751 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is RTE 9 over Great Chazy River?

The structure is 126 ft (38.4 m) long with a longest span of 120 ft (36.6 m) and a deck 26 ft wide.

Who owns RTE 9 over Great Chazy River?

It is owned by the State Highway Agency.