US Bridges

RTE 180 over Chaumont River

FairPosted for load

Jefferson County, New York · 0.03 MI SW JCT RT411 · Structure no. 000000001039500

Built
1916
109 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
1,161
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 180 over Chaumont River is a concrete slab carrying RTE 180 over Chaumont River in Jefferson County, New York. It was built in 1916, so it is 109 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. Its operating status is: posted for other load-capacity restriction.

It carries about 1,161 vehicles a day, roughly 9% of them trucks, projected to reach 1,211 by 2041. The structure is 23 ft (7 m) long and 80 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE 180
CrossesChaumont River
Location0.03 MI SW JCT RT411
RouteState Highway 180
CountyJefferson County
StateNew York
Coordinates44.19339, -75.96671
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating55.4 US tons
Inventory rating16.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width80 ft (24.3 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,161 (2018)
Projected traffic1,211 by 2041
Trucks9%
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 statusEligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$974,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 180 over Chaumont River built?

It was built in 1916, making it 109 years old in 2025.

What condition is RTE 180 over Chaumont 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 September 2024.

How much traffic does RTE 180 over Chaumont River carry?

About 1,161 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is RTE 180 over Chaumont River?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 80 ft wide.

Who owns RTE 180 over Chaumont River?

It is owned by the State Highway Agency.